Sprocket Catalog

PRODUCT CATALOG SPROCKETS

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COMPLETE SYSTEM SOLUTIONS U.S. Tsubaki offers complete drive system solutions that serve a variety of markets and applications around the world. Our complete offering of ANSI roller chain, engineered chain, sprockets, power transmission components, and cable & hose carrier systems offers single source capability to satisfy the most demanding application requirements.

MARKETS AND APPLICATIONS

U.S. Tsubaki sprockets are utilized worldwide in many markets and applications, including: • Oil and Gas • Lumber • Mining • Primary Metals • Material Handling • Conveyor • Civil Engineering Projects • Machine Tool • Marine • Packaging Machinery • Pulp and Paper • Food Processing • Forestry

STOCK SPROCKET OFFERING

U.S. Tsubaki produces a broad range of sprockets to satisfy your application requirements. Stock product offerings are readily available, and can be supplied in the following pitch ranges and configurations:

• Pitch Range:

• Type C Plain Bore (two-sided hub extension) • Stainless Steel: ANSI 25 - 80 Pitch • Multi-Strand • TAPER-LOCK, QD and Split Taper Sprockets and Bushings

• Double Pitch • Double Plus ® • Double Single • Idler Sprockets • British Standard

ANSI 25 - 240 • Type A Plain Bore

(no hub extension) • Type B Plain Bore (one-sided hub extension)

SPROCKET SOLUTIONS MADE-TO-ORDER

TSUBAKI MTO SPROCKETS

Tsubaki, and its affiliates, have designed and manufactured Made-To- Order sprockets for over 35 years. Extensive design, engineering, and manufacturing capability allow U.S. Tsubaki to produce a wide variety of MTO sprocket products for a multitude of applications. From one-off custom to high volume OEM sprocket requirements, Tsubaki has you covered.

Large Engineering Class Segmental Sprocket with Split Hub

ENGINEERING CAPABILITIES

Tsubaki has a broad range of engineering capabilities that enable the manufacture of complex MTO sprockets for your application requirements. Some of these capabilities include:

• System design assessments

• 2D/3D CAD Drawing Generation

• ECD, ANSI, and British Standard Design

• Custom tooth profiling

Triple roller chain sprocket with large finished bore and custom split design

• Solid, split, segmental, adjustable design

Large Engineering Class Sprocket incorporating “Gap Tooth”

Adjustable Segmental

MACHINING CAPABILITIES

Tsubaki’s range of machining capabilities provides sprocket solutions for large and small quantities. Tsubaki has the capability to economically create one-off custom sprockets or high volume production type units. Some of our core capabilities include:

• CNC/turning to 99" diameter • Three-axis machining, 110" x 40" x 36" • Traditional tooth hobbing to 60" diameter • Induction and flame hardening to 120" diameter • Machining of exotic metals • Spline bore • High tolerance finished bore • Solid, welded, or web style sprockets

Spline Bore Drive Sprocket

SMART TOOTH ® SPROCKETS

Tsubaki Smart Tooth ® offers users visual indication that a sprocket is still within allowable wear tolerance. The wear indicator pins on one or more teeth around the sprocket along with highly-visible blue painted finish, allow the operator to get a clear look at the wear of the sprocket without taking costly downtime to shut down the system. Tsubaki wear indicator technology makes sense in applications wear down time is critical. Sprockets are available with Smart Tooth ® technology on a made to order basis.

New Smart Tooth ® Sprocket

Worn Smart Tooth ® Sprocket

• Value • Extended chain life through predictable maintenance • Reduction in overall ownership cost • Life cycle predictability.

• Availability • ANSI Sizes 80-240 pitch sprockets • Hardened teeth • Bored to size and bushed sprockets

Once the pin is exposed, it’s time to replace your sprocket

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TABLE OF CONTENTS

Sprocket Essentials Sprockets Terminology....................................................................................................................8 How to Order.................................................................................................................................... 13

Complementary Products . ...............................................................................................16

Stock Sprocket Products NO. 25: 1/4" PITCH.........................................................................................................................18 NO. 35: 3/8" PITCH........................................................................................................................22 NO. 41: 1/2" PITCH.........................................................................................................................34 NO. 40: 1/2" PITCH........................................................................................................................42 NO. 50: 5/8" PITCH........................................................................................................................58 NO. 60: 3/4" PITCH........................................................................................................................74 NO. 80: 1" PITCH.............................................................................................................................90 NO. 100: 1-1/4" PITCH.................................................................................................................106 NO. 120: 1-1/2" PITCH..................................................................................................................118 NO. 140: 1-3/4" PITCH.................................................................................................................126 NO. 160: 2" PITCH........................................................................................................................134 NO. 180: 2-1/4" PITCH.................................................................................................................140 NO. 200: 2-1/2" PITCH................................................................................................................142 NO. 240: 3" PITCH........................................................................................................................144 NO. 2040: 1" PITCH......................................................................................................................146 NO. 2042: 1" PITCH......................................................................................................................148 NO. 2050: 1-1/4" PITCH..............................................................................................................150 NO. 2052: 1-1/4" PITCH...............................................................................................................152 NO. 2060: 1-1/2" PITCH..............................................................................................................154 NO. 2062: 1-1/2" PITCH..............................................................................................................156 NO. 2080: 2" PITCH.....................................................................................................................158 NO. 2082: 2" PITCH.....................................................................................................................160 Double Plus Sprockets ® ............................................................................................................... 162 NO. 06B: 3/8" PITCH....................................................................................................................163 NO. 08B: 1/2" PITCH.....................................................................................................................164 NO. 10B: 5/8" PITCH.....................................................................................................................165 NO. 16B: 1" PITCH..........................................................................................................................166 Split Taper Sprockets ...................................................................................................................167 NO. 35: 3/8" PITCH........................................................................................................................167 NO. 41: 1/2" PITCH........................................................................................................................168 NO. 40: 1/2" PITCH........................................................................................................................169

NO. 50: 5/8" PITCH.......................................................................................................................170 NO. 60: 3/4" PITCH.......................................................................................................................170 NO. 80: 1" PITCH.............................................................................................................................172 NO. 100: 1-1/4" PITCH....................................................................................................................174 NO. 120: 1-1/2" PITCH....................................................................................................................176 NO. 140: 1-3/4" PITCH..................................................................................................................178 NO. 160: 2" PITCH.......................................................................................................................... 179 Engineering Class Sprockets . ........................................................................................... Sprocket Construction Types/Styles........................................................................................183 Standard Sprockets / Traction Wheels.....................................................................................185 Drum Style Sprockets..................................................................................................................186 Bushings, Hubs, Idlers and Chain Tensioners Taper-Lock Bushings...................................................................................................................189 Taper-Lock Weld-On Hubs..........................................................................................................193 QD Bushings..................................................................................................................................195 QD Weld-On Hubs.........................................................................................................................199 Split Taper Bushings...................................................................................................................200 Split Taper Weld-On Hubs.......................................................................................................... 203 Idler Sprockets.............................................................................................................................204 Chain Tensioners..........................................................................................................................207 Engineering Data Alterations..................................................................................................................................... 210 Sprocket Hardening.....................................................................................................................214 Sprocket Tooth Dimensions........................................................................................................215 Sprocket Pitch Diameter Constants.........................................................................................216 Sprocket Speed Ratios.................................................................................................................217 Sprocket Diameters.....................................................................................................................218 Standard Keyway and Set Screws.............................................................................................221 Taper-Lock Shallow Keyway Dimensions.....................................................................................................................222 QD Shallow Keyway Dimensions................................................................................................223 Maintenance Checklist................................................................................................................224 Safety Warning..............................................................................................................................225 Other Sprocket Considerations..................................................................................................226 Terms and Conditions of Sale.................................................................................................... 228

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SPROCKET ESSENTIALS BASIC TERMINOLOGY

The following defines terminology and provides guidance to help select the best sprocket for a given application. In the event that further assistance is required, please call U.S. Tsubaki customer service at (800) 323-7790.

ANSI Chain Pitch: The term “chain pitch” refers to the roller pin center to roller pin center dimension of a given chain. The pitch is always measured in 1/8" increments. Please see Figure 1 for an illustration of how to measure chain pitch. Please see Table 1 for referencing ANSI Standard chain pitch sizes.

Figure 1 - Chain pitch measurement points (P)

Caliper Diameter: The term “caliper diameter” refers to the dimension measured from sprocket tooth valley to sprocket tooth valley on the opposite side (180°) of the sprocket. This dimension is used to measure the diameter of the sprocket plate (not including sprocket teeth). On sprockets that have an odd number of teeth, the measurement would be taken from the valley of one tooth to the valley as close to 180° on the opposite side of the sprocket. Please reference Figure 2 for an illustration of how this dimension is measured.

ANSI Standard Chain Pitch Size Pitch # Pitch in IN Pitch # Pitch in IN 25 1/4" 100 1-1/4" 35 3/8" 120 1-1/2" 40 1/2" 140 1-3/4" 41 1/2" 160 2" 50 5/8" 180 2-1/4" 60 3/4" 200 2-1/2" 80 1" 240 3"

Table 1 - ANSI Standard Chain Pitch Table

Sprocket Outside Diameter: Sprocket outside diameter is the measurement from sprocket tooth peak to sprocket tooth peak on the opposite (180°) side of the sprocket. For sprockets with an odd number of teeth, the measurement would be taken from the peak of one sprocket tooth to the peak of a tooth as close to 180° degrees as possible. Please refer to Figure 3 for an illustration as to how this dimension is measured.

Figure 2 - Measuring caliper diameter

Maximum Bore Diameter: Refers to the maximum bore size diameter a sprocket can be machined to without compromising structural integrity. This term is associated with both “B” and “C” style sprockets. Please refer to Figure 4 for illustration. Length Through Bore: “LTB” Refers to the inside hub diameter and the length to which it was machined. This machined length must be long enough to accommodate the proper size keyway to withstand shear and torque stress induced by the rotating shaft. Please refer to Figure 4 for illustration.

CALIPER DIAMETER

Figure 3 - Measuring sprocket outside diameter

TOOTH (NOMINAL)

Plain Bore: Associated with “A,” “B” and “C” style sprockets where there is no special machining performed to accommodate keyways or set screws, only a hole to accommodate shaft diameter. Please refer to Figure 6 for illustrations of Plain Bore sprockets. Finished Bore: Associated with “B” and “C” style sprockets where the inside diameter of the hub is machined with a standard keyway and two set screws. Finished bore hubs can also be machined to specific requirements depending on the needs of the application. Please refer to Figure 5 for an illustration. Sprocket Hub Style: U.S. Tsubaki manufacturers various sprocket hub styles to meet the application requirements of our customers. Please refer to Figure 6 for the various stock style hub configurations offered by U.S. Tsubaki.

LTB

STYLES TYPEB

STYLEE TYPEB

Figure 4 - Maximum bore diameter and thru bore

Figure 5 - Finished bore sprocket

TOOTH (NOMINAL)

Y LTB

LTB

TOOTH (NOMINAL)

LTB

TOOTH (NOMINAL)

X STYLEE TYPEC

STYLEE TYPEB X

STYLES TYPEB X

TYPEA

STYLES TYPEB LTB

STYLEE TYPEB LTB

LTB STYLEE TYPEB

LTB STYLED TYPEC

LTB STYLES TYPEB

Figure 6 - Stock sprocket hub styles

TOOTH (NOMINAL)

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SPROCKET ESSENTIALS BASIC TERMINOLOGY

Small and Large Roller Double Pitch Sprockets: Used with double pitch conveyor series roller chains. These chains are available with either the standard small roller diameter (i.e.: 2040, 2050, 2060, 2080, 2100) or a larger diameter chain roller style (i.e.: 2042, 2052, 2062, 2082, 2102). Sprockets are available from stock to accommodate either style. This type of sprocket is primarily used in conveying applications where torque requirements are lower, and long service life is critical. Please refer to Figure 7 for an illustration of a standard and double pitch sprocket for comparison purposes.

Figure 7 - Small and large roller double pitch sprockets

Multiple-Strand Sprockets: This type of sprocket is commonly used in applications where higher torque and power requirements are needed. The spacing between the rows of teeth corresponds with the center-line of chain strands. Due to the added width of chain, the “LTB” of multiple strand sprockets is correspondingly longer. This style of sprocket is available in 40 through 160 chain pitch with plain, finished or TAPER-LOCK /QD style hubs. Please refer to Figure 8 for an illustration of a Multiple-Strand sprocket.

Figure 8 - Multiple-Strand sprockets

Double Plus ® Sprockets: This type of sprocket is specifically designed to work with DOUBLE PLUS ® chain. This style of sprocket is used in conveyor applications where product on the conveyor is propelled at twice speed of the drive system powering the conveyor. The main benefit of incorporating DOUBLE PLUS ® chain and sprockets is less noise and longer chain life. Please refer to Figure 9 for an illustration of a DOUBLE PLUS ® sprocket.

Figure 9 - DOUBLE PLUS ® sprockets

QD Sprockets: This type of sprocket is used in applications where higher working loads are prevalent, and high clamp loading on the drive shaft is desirable. Sprockets with tapered bushings will fall into the QD, Split-Taper or TAPER-LOCK family. QD bushings are flanged, and most commonly utilize large anchor bolts around the circumference of the flange to retain itself to the sprocket. However, this style of bushing is also available in a weld on hub configuration. One of the primary advantages the QD bushing offers is its ease of installation and removal. It also provides superior clamp force, and aligns the sprocket 90 0 to the drive shaft to assure proper alignment. Please refer to Figure 10 for an illustration of a QD sprocket. Taper-Lock Sprockets: TAPER-LOCK bushings are similar to QD style bushings in that they both utilize a split through the taper and flange to provide a true clamp on the shaft that is equivalent to a shrink fit. This type of bushing is retained to the sprocket with a series of set screws on the outside diameter of the bushing running parallel to the shaft, or can be welded to the sprocket itself. With TAPER-LOCK bushings, there is no need for a set screw over the drive shaft key. TAPER-LOCK bushings offer flexibility in that they allow multiple sized bores for a single bushing size. Please refer to Figure 11 for an illustration of a TAPER-LOCK sprocket.

Figure 10 - QD sprocket

Figure 11 - TAPER-LOCK sprocket

Steel Split Sprockets: Split sprockets are slit through the entire diameter of the sprocket to allow ease of installation and removal. The sprocket halves are held together by bolts located on either side of the hub. This particular style is available in chain pitch sizes of 40 through 240, and bore diameters of 3/4" through 6" depending on chain pitch selected. Figure 12 provides an illustration of a steel split sprocket.

Figure 12 - Steel Split sprocket

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SPROCKET ESSENTIALS BASIC TERMINOLOGY

British Standard Sprockets: This style of sprocket is similar to an ANSI style sprocket with the exception of the fact that it is designed to propel British Standard Chain. British Standard Chain has slightly different dimensions with regard to chain pitch and roller diameter. ANSI Standard chain pitch is measured in 1/8" increments (pin to pin), whereas British Standard follows a 1/16" pin to pin spacing. Please see Figure 13 for an illustration of how to measure British Standard chain pitch. Double Single Sprockets: This type of sprocket is commonly used in applications where two or more items are powered by a common drive shaft. The space between the sprocket plates is wider than a multi-strand sprocket, and allows two separate strands of chain to engage without contacting each other. With this type of sprocket, one strand of chain may exit in a different direction than the other. For example, one strand exiting towards the ceiling and the other running parallel to the floor. Please refer to Figure 14 for an illustration of a Double Single sprocket. Idler Sprockets: This type of sprocket is used in applications where the drive chain may experience slack due to long lengths, non-adjustability of the driven shaft, or where the chain has to be guided around an obstruction. Use of Idler Sprockets prevents chain whipping and uneven distribution of load. This type of sprocket can also be used in applications where the drive chain may experience direction reversal, or in applications where the chain may experience whipping. Having idler sprockets touching the outside of the chain would be beneficial. Please refer to Figure 15 for an illustration of an Idler Sprocket.

Figure 13 - Measuring British Standard Chain

Figure 14 - Double Single Sprocket

Figure 15 - Idler Sprocket

How to Order Code: The following decodes the model number for a given U.S. Tsubaki Stock Sprocket product. The following example should be used to decipher the characteristics and features associated with a given sprocket. A 35 B TL 18

Altered !!

Chain Pitch in Inches

Hub Type

TAPER-LOCK

Number of Teeth

18 19 20 21

22 23 24 25

26 28 30 32

A: Alteration Required

B: Hub Extension One Side

35: 3/8" Pitch

TAPER-LOCK hub

Altered: The term “Altered” applies to a sprocket that requires a minor modification to the standard configuration to fulfill the requirements of the application at hand. Some examples of common alterations include: rebore to a different size than standard, different set screw location than standard, drilling of holes into sprocket plate for accessory mounting, non-standard keyway size, etc. A complete list of common alterations is available in the engineering section of this catalog. It should be noted that adding the prefix "A" is used only when an alteration is required. It is not necessary for standard products and only applies when a non-standard feature is required.

Fraction Legend for Hub Bore Size: The following table should be used to define the hub bore size associated with “Finished Bore” stock sprocket product. Note that a letter designator is used to represent a fractional dimension. For example: a 1B hub bore equates to a sprocket bore of 1.125" inside diameter.

Letter Designator

Fractional Size

Decimal Size

A B C D E F G H

1/16"

0.0625" 0.1250" 0.1875" 0.2500" 0.3125" 0.3750" 0.4375" 0.5000" 0.5625" 0.6250" 0.6875" 0.7500" 0.8125" 0.8750" 0.9375"

1/8"

3/16"

1/4"

5/16"

3/8"

7/16"

1/2"

9/16"

J K L P R M

5/8"

11/16"

3/4"

13/16"

7/8"

15/16"

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SPROCKET SOLUTIONS

U.S. Tsubaki stock sprockets are made from 1045 cold rolled carbon steel, and are black oxide coated for maximum corrosion resistance and durability. No powdered metal is used.

U.S. Tsubaki finished bore sprockets come with a keyway and two set screws standard.

All U.S. Tsubaki stock sprockets have hardened teeth to RC 35 - 50 standard on ANSI 35 - 80 pitch. This ensures long service life with minimal wear.

WHY TSUBAKI SPROCKETS ARE YOUR BEST CHOICE

All hard edges are chamfered and de-burred for the best fit.

U.S. Tsubaki sprockets are available in ANSI standard or British Standard pitch specifications.

U.S. Tsubaki offers stock/plain bore, finished bore, and altered sprockets for rapid delivery to meet your application requirements fast!!!

Standard set screw placement directly over the keyway and at 90° to the keyway ensures the sprocket will hold position throughout its time in service.

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COMPLEMENTARY PRODUCTS SUPERIOR SUPPORT

POWER-LOCK ®

Tsubaki POWER-LOCK ® technology provides a keyless sprocket to drive shaft locking solution for applications that experience load reversal and high torque loading. POWER-LOCK ® eliminates the need for costly machining associated with long keyways, spline bores, threaded shafts and grooves or steps to prevent premature failure. POWER-LOCK ® technology offer fast installation and removal, and can be used on sprockets, gears, pulleys, timing cams, and rollers to increase shaft strength, and ensure long service life.

TORQUE SHIELD

Tsubaki Torque Shield provides mechanical drive system protection for sophisticated applications that may experience overloading or jamming. Applications that demand consistent and predictable trip settings with quick resetting will benefit from this device. Torque Shield is easy to set and adjust with a built-in scale and indicator that have distinct torque settings for easy verification. U.S. Tsubaki offers four different series of Torque Shield products to support all of your drive system needs.

TORQUE LIMITER

Refined by Tsubakimoto for over 40 years, the Torque Limiter is a simple and inexpensive mechanical device that limits damage to equipment when an unexpected increase in torque occurs because of a jam or overload situation. Easy to install, the Torque Limiter attaches to a shaft and holds the sprocket, gear, or sheave. A frictional system, the Torque Limiter reacts instantly when there is a jam by slipping and absorbing the brunt of the force, thus preventing the increase in power from damaging your equipment. Let Tsubaki’s family of Torque Limiters provide an economical solution for protecting your drive system.

LINEAR SHIELD

Designed for pushing/pulling applications, Tsubaki’s Linear Shield provides system protection for equipment used in straight line applications. Machine tool, press applications, pick and place, and other linear system operations are protected from overloading by a simple ball and groove design. Compact design, ease of installation, and quick resetting makes this device ideal for limiting downtime and preserving critical equipment operation.

SHOCK RELAY ®

Pioneered by Tsubaki, the Shock Relay ® protects your equipment against unexpected shock loads and overloads before system damage occurs. The Shock Relay ® adapts to virtually any type of equipment that’s driven by an electric motor. The purpose of the Shock Relay ® is to protect the mechanical parts of the equipment by monitoring drive motor current, shutting down the equipment when the loads exceed the user set limits. Unlike mechanical protection devices, there is no physical re-setting required. The Tsubaki Shock Relay ® simply resets at the press of a button. Let Tsubaki’s family of Shock Relays keep your production up and running.

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HOW TO ORDER U.S. TSUBAKI STOCK SPROCKETS

No. 25

Chain Data Size

Pitch

1/4" 1/8"

Inside Width

1/4” Pitch

Plain Bore

Roller Diameter

0.130" 0.110"

Nominal Tooth Width:

How to Order Code: Example Model # for 25 Pitch Plain Bore Sprockets

A 25 A 36

Altered !!

Chain Pitch in Inches

Hub Type

Number of Teeth

15 16 17 18 19 20

21 22 23 24 25 26 17 18 19 20 21 22 23 24

28 30 32 35 36 40 25 26 28 30 32 35 36 40

45 48 54 60 72 45 48 54 60 72

A: No Hub

Extension

A: Alteration Required

25: 1/4" Pitch

10 11 12 13 14 15 16

B: Hub Extension One Side

!! Alteration field only to be denoted if a deviation from standard is required. Please reference Alterations in engineering section, page 210.

TOOTH (NOMINAL) .110˝

.110˝ NOMINAL

TOOTH (NOMINAL)

NOMINAL

LTB

TYPEA

STYLES TYPEB

STYLEE TYPEB

No. 25

PLAIN BORE SPROCKET DIMENSIONS

All dimensions in inches unless noted.

No. 25 Plain Bore Sprocket Diameters

Type “A” Plain Bore

Type “B” Plain Bore

No. Teeth

Outside Diameter

Pitch Diameter

Caliper Diameter

Plain Bore

Wt. Lbs.

Plain Bore

MAX Bore*

Hub Dia.

Wt. Lbs.

LTB Style

0.837

0.731

0.591

0.250

0.250 0.438 0.500

0.03

0.919

0.809

0.679

0.250

0.250 0.500 0.500

0.03

1.002

0.870

0.748

0.250

0.313 0.563 0.500

0.04

1.083

0.996

0.836

0.250

0.375 0.625 0.500

0.06

1.167

1.045

0.907

0.250

0.438 0.781 0.500

0.07

1.246

1.124

0.994

0.250

0.563 0.813 0.500

0.08

1.326

1.203

1.066

0.250

0.040

0.250

0.563 0.891 0.500

0.10

1.407

1.282

1.152

0.250

0.040

0.250

0.563 0.969 0.500

0.12

1.487

1.361

1.225

0.250

0.040

0.250

0.625 1.031 0.500

0.14

1.568

1.440

1.310

0.250

0.040

0.250

0.750 1.125 0.500

0.16

1.648

1.519

1.383

0.250

0.040

0.250

0.813 1.219 0.500

0.19

1.729

1.598

1.468

0.250

0.040

0.250

0.875 1.281 0.625

0.25

1.809

1.678

1.543

0.375

0.040

0.250

0.875 1.375 0.625

0.28

1.889

1.757

1.627

0.375

0.060

0.250

0.938 1.438 0.625

0.31

1.969

1.836

1.702

0.375

0.060

0.250

1.000 1.500 0.625

0.32

2.049

1.915

1.785

0.375

0.080

0.375

1.000 1.500 0.625

0.33

2.129

1.995

1.861

0.375

0.080

0.375

1.000 1.500 0.625

0.34

2.209

2.074

1.944

0.375

0.090

0.375

1.000 1.500 0.625

0.35

2.369

2.233

2.103

0.375

0.100

0.375

1.000 1.500 0.625

0.36

2.529

2.392

2.262

0.375

0.120

0.375

1.000 1.500 0.625

0.38

2.688

2.551

2.421

0.375

0.140

0.375

1.000 1.500 0.625

0.40

2.928

2.789

2.656

0.375

0.160

0.375

1.000 1.500 0.625

0.46

3.008

2.889

2.739

0.375

0.180

0.375

1.000 1.500 0.750

0.50

3.327

3.187

3.057

0.500

0.200

0.500

1.375 2.000 0.750

0.53

3.725

3.584

3.452

0.500

0.250

0.500

1.375 2.000 0.750

0.56

3.964

3.823

3.693

0.500

0.320

0.500

1.375 2.000 0.750

0.56

4.442

4.300

4.170

0.500

0.380

0.500

1.375 2.000 0.750

1.00

4.920

4.777

4.647

0.500

0.540

0.500

1.375 2.000 0.750

1.10

5.876

5.732

5.602

0.500

0.740

0.500

1.375 2.000 0.750

1.30

* Dimensions shown allow for standard keyway with set screw at 90 degrees NS = Non Stock

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U.S. TSUBAKI STOCK SPROCKETS HOW TO ORDER

No. 25

Chain Data Size

25SS 1/4" 1/8"

Pitch

Stainless Steel Plain Bore

Inside Width

1/4” Pitch

Roller Diameter

0.130" 0.110"

Nominal Tooth Width:

How to Order Code: Example Model # for 25 Pitch Plain Bore Stainless Steel Sprockets

A 25 B 14 SS

Altered !!

Chain Pitch in Inches

Hub Type

Number of Teeth

Material

15 16 17 18 19 20

21 22 23 24 25 26

28 30 36 40 45 60

10 11 12 13 14

A: Alteration Required

B: Hub Extension One Side

SS: 304 Stainless Steel Construction

25: 1/4" Pitch

!! Alteration field only to be denoted if a deviation from standard is required. Please reference Alterations in engineering section, page 210.

.110˝ NOMINAL

TOOTH (NOMINAL)

LTB

TYPEA

STYLES TYPEB

STYLEE TYPEB

No. 25

STAINLESS STEEL SPROCKET DIMENSIONS

All dimensions in inches unless noted.

No. 25 Stainless Steel Sprocket Diameters

Type “B” Plain Bore

No. Teeth

Outside Diameter

Pitch Diameter

Caliper Diameter

Plain Bore

MAX Bore*

Hub Dia.

Wt. Lbs.

LTB

0.837

0.731

0.591

0.250

0.438

0.500

0.03

0.919

0.809

0.679

0.250

0.500

0.03

1.002

0.870

0.748

0.250

0.313

0.563

0.500

0.03

1.083

0.966

0.836

0.250

0.375

0.625

0.500

0.06

1.167

1.045

0.907

0.250

0.438

0.719

0.500

0.07

1.246

1.124

0.994

0.250

0.563

0.813

0.500

0.08

1.326

1.203

1.066

0.250

0.563

0.891

0.500

0.10

1.407

1.282

1.152

0.250

0.563

0.969

0.500

0.12

1.487

1.361

1.225

0.250

0.625

1.031

0.500

0.14

1.568

1.440

1.310

0.250

0.750

1.125

0.500

0.16

1.648

1.519

1.383

0.250

0.813

1.219

0.500

0.19

1.729

1.598

1.468

0.250

0.875

1.281

0.625

0.25

1.809

1.678

1.543

0.250

0.875

1.375

0.625

0.28

1.889

1.757

1.627

0.250

0.938

1.438

0.625

0.31

1.969

1.836

1.702

0.250

1.000

1.500

0.625

0.32

2.049

1.915

1.785

0.375

1.000

1.500

0.625

0.33

2.129

1.995

1.861

0.375

1.000

1.500

0.625

0.34

2.209

2.074

1.944

0.375

1.000

1.500

0.625

0.35

2.369

2.233

2.103

0.375

1.000

1.500

0.625

0.36

2.529

2.392

2.262

0.375

1.000

1.500

0.625

0.38

3.008

2.869

2.739

0.375

1.000

1.500

0.750

0.50

3.327

3.187

3.057

0.500

1.375

2.000

0.750

0.53

3.725

3.584

3.452

0.500

1.375

2.000

0.750

0.56

4.920

4.777

4.647

0.500

1.375

2.000

0.750

1.10

* Dimensions shown allow for standard keyway with set screw at 90 degrees

ustsubaki.com

HOW TO ORDER U.S. TSUBAKI STOCK SPROCKETS

No. 35

Chain Data Size

Pitch

3/8"

Inside Width

3/16" 0.200" 0.168"

1/4” Pitch

Plain Bore

Roller Diameter

Nominal Tooth Width:

A 35 A 24 How to Order Code: Example Model # for 35 Pitch Plain Bore Carbon Steel Sprockets

Altered !!

Chain Pitch in Inches

Hub Type

Number of Teeth

15 16 17 18 19 20 21 22 23

24 25 26 27 28 30 32 35 36 18 19 20 21 22 23 24 25 26 27

40 42 45 48 54 60 70 72 80 28 30 32 35 36 40 42 45 48 54

84 96

112

A: No Hub Extension

A: Alteration Required

35: 3/8" Pitch

8 9

60 70 72 80 84 96

10 11 12 13 14 15 16 17

B: Hub Extension One Side

112

!! Alteration field only to be denoted if a deviation from standard is required. Please reference Alterations in engineering section, page 210.

TOOTH (NOMINAL) .168˝

TOOTH (NOMINAL) .168˝ NOMINAL

NOMINAL

LTB

TYPEA

STYLES TYPEB

STYLEE TYPEB

No. 35

U.S. TSUBAKI STOCK SPROCKETS

All dimensions in inches unless noted.

No. 35 Plain Bore Sprocket Dia.

Type “A” Plain Bore

Type “B” Plain Bore

No. Teeth

Outside Dia.

Pitch Dia. 0.980 1.097 1.214 1.331 1.449 1.567 1.685 1.804 1.922 2.041 2.160 2.279 2.397 2.516 2.635 2.754 2.873 2.992 3.111 3.230 3.349 3.588 3.826 4.184 4.303 4.780 5.018 5.376 5.734 6.449 7.165 8.358 8.597 9.552

Caliper Dia.

Plain Bore

Wt. Lbs.

Plain Bore 0.375 0.375 0.375 0.375 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.625 0.625 0.625 0.625 0.625 0.625 0.625 0.750 0.750 0.750 0.750 0.750 0.750 0.750

MAX Bore*

Hub Dia.

Wt. Lbs. 0.07 0.09 0.14 0.17 0.20 0.23 0.25 0.29 0.35 0.42 0.48 0.54 0.59 0.80 0.80 0.82 0.88 0.88 0.90 0.94 0.94 1.02 1.24 1.50 1.56 1.62 1.68 1.78 1.88 2.20 2.48 3.12 3.42 3.82 4.24 5.16 6.70

LTB Style

8 9

1.130 1.260 1.380 1.500 1.630 1.750 1.870 1.990 2.110 2.230 2.350 2.470 2.590 2.710 2.830 2.950 3.070 3.190 3.310 3.430 3.550 3.790 4.030 4.390 4.510 4.990 5.230 5.590 5.950 6.660 7.380 8.580 8.810 9.770

0.780 0.880 1.014 1.117 1.249 1.356 1.485 1.594 1.722 1.832 1.960 2.071 2.197 2.309 2.435 2.548 2.673 2.786 2.911 3.025 3.149 3.388 3.626 3.979 4.103 4.580 4.818 5.173 5.534 6.249 6.965 8.158 8.397 9.352 9.829

NS NS NS NS NS NS NS

0.375 0.750 ¨ 0.375 0.844 ¨ 0.563 0.969 ¨ 0.563 1.063 ¨ 0.563 1.219 ¨ 0.688 1.250 ¨

0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.875 0.875 0.875 0.875 0.875 0.875 0.875 0.875 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000

S S S S S S S S S S S S S S S S S S E E E E E E E E E E E E E E E E E E E

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 32 35 36 40 42 45 48 54 60 70 72 80 84 96

0.875 0.875 0.938 1.063 1.188 1.250 1.313 1.375 1.375 1.375 1.375 1.375 1.375 1.375 1.375 1.375 1.375 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500

1.250 1.344 1.469 1.594 1.719 1.844 1.938 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250 2.250

0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.625 0.625 0.625 0.594 0.594 0.594 0.594 0.594 0.594 0.719 0.719 0.719 0.719 0.719 0.719

0.110 0.120 0.140 0.160 0.170 0.190 0.210 0.240 0.260 0.280 0.310 0.330 0.360 0.380 0.440 0.500 0.610 0.640 0.790 0.900 1.000 1.100 1.400 1.800 2.400 2.600 3.200 3.500 4.600 6.300

10.250 11.680 13.590

10.029 11.461 13.371

11.261 13.171

112

* Dimensions shown allow for standard keyway with set screw at 90 degrees ¨ Has recessed groove in hub for chain clearance NS = Non Stock

ustsubaki.com

3 23

HOW TO ORDER U.S. TSUBAKI STOCK SPROCKETS

No. 35

Chain Data Size

35SS 3/8"

Pitch

Stainless Steel Plain Bore

Inside Width

3/16" 0.200" 0.168"

3/8” Pitch

Roller Diameter

Nominal Tooth Width:

How to Order Code: Example Model # for 35 Pitch Plain Bore Stainless Steel Sprockets

A 35 B 17 SS

Altered !!

Chain Pitch in Inches

Hub Type

Number of Teeth

Material

15 16 17 18 19 20

21 22 23 24 25 26

28 30 35 40 45 60

10 11 12 13 14

A: Alteration Required

B: Hub Extension One Side

SS: 304 Stainless Steel Construction

35: 3/8" Pitch

!! Alteration field only to be denoted if a deviation from standard is required. Please reference Alterations in engineering section, page 210.

.168˝ NOMINAL

TOOTH (NOMINAL)

LTB

LTB STYLED TYPEB

LTB

TYPEA

STYLES TYPEB

STYLEE TYPEB

No. 35

PLAIN BORE SPROCKET DIMENSIONS

All dimensions in inches unless noted.

No. 35 Stainless Steel Sprocket Diameters

Type “B” Plain Bore

No. Teeth

Outside Diameter

Pitch Diameter

Caliper Diameter

Plain Bore

MAX Bore*

Hub Dia.

Hub Style

Wt. Lbs.

LTB

1.260

1.097

0.880

0.375

0.844 ¨

0.750

0.10

1.380

1.214

1.014

0.375

0.563

0.969 ¨

0.750

0.15

1.500

1.331

1.117

0.375

0.563

1.063 ¨

0.750

0.20

1.630

1.449

1.249

0.500

0.563

1.219 ¨

0.750

0.22

0.750

0.25

1.750

1.567

1.356

0.500

0.688

1.250 ¨

1.870

1.685

1.485

0.500

0.875

1.250

0.750

0.26

1.990

1.804

1.594

0.500

0.875

1.344

0.750

0.30

2.110

1.922

1.722

0.500

0.938

1.469

0.750

0.40

2.230

2.041

1.832

0.500

1.063

1.594

0.750

0.43

2.350

2.160

1.960

0.500

1.188

1.719

0.750

0.50

2.470

2.279

2.071

0.500

1.250

1.844

0.750

0.56

2.590

2.397

2.197

0.500

1.313

1.938

0.750

0.68

2.710

2.516

2.309

0.500

1.375

2.000

0.875

0.80

2.830

2.635

2.435

0.500

1.375

2.000

0.875

0.82

2.950

2.754

2.548

0.500

1.375

2.000

0.875

0.87

3.070

2.873

2.673

0.500

1.375

2.000

0.875

0.89

3.190

2.992

2.786

0.500

1.375

2.000

0.875

0.91

3.310

3.111

2.911

0.500

1.375

2.000

0.875

0.93

3.550

3.349

3.149

0.500

1.375

2.000

0.875

1.00

3.790

3.588

3.388

0.500

1.375

2.000

0.875

1.06

4.390

4.184

3.979

0.625

1.500

2.250

0.875

1.56

4.990

4.780

4.580

0.625

1.500

2.250

1.000

1.70

5.590

5.376

5.173

0.625

1.500

2.250

1.000

2.18

7.380

7.165

6.965

0.750

1.500

2.250

1.000

3.00

* Dimensions shown allow for standard keyway with set screw at 90 degrees ¨ Has recessed groove in hub for chain clearance

ustsubaki.com

HOW TO ORDER U.S. TSUBAKI STOCK SPROCKETS

No. 35

Chain Data Size

Pitch

3/8"

Inside Width

3/16" 0.200" 0.168"

3/8” Pitch

Finished Bore

Roller Diameter

Nominal Tooth Width:

35B 24 F-1B How to Order Code: Example Model # for 35 Pitch Finished Bore Carbon Steel Sprockets

Chain Pitch in Inches

Hub Type

Number of Teeth

Finished Bore

Hub Bore**

27 28 30 32 35 36 40 42

48 54 60 70 72 80 84 96

3/8" (0.375") 1/2" (0.500") 5/8" (0.625") 3/4" (0.750") 7/8" (0.875")

10 19 11 20 12 21 13 22 14 23 15 24 16 25 17 26

H J L P 1

F: Hub Extension Machined with keyway and two set screws

B: Hub Extension One Side

35: 3/8" Pitch

(1.000")

1B 1-1/8" (1.125") 1C 1-3/16" (1.188") 1D 1-1/4" (1.250")

45 112

** Hub bore size should be selected from dimensional table on the following page. Bore sizes that are not listed for a given number of sprocket teeth may be available per request as Altered.

TOOTH (NOMINAL) .168˝ NOMINAL

STYLES TYPEB LTB

STYLEE TYPEB LTB

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