Overload Protection and Safety Devices Protecting Your Equipment, Protecting Your Investment
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Tsubaki ® : The choice for overload protection and safety
The truth is, any machine can break.
Are you protecting your equipment?
Of this we can be sure: Eventually something always happens. And there’s no predicting. It’s almost a law of nature.
We often learn the hard way: Protection is smart. It saves money. It saves time. In today’s environment of cost cutting and just in time delivery, being prepared is just good business sense.
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Unintended load changes in the workplace can have big consequences. As equipment becomes more integrated, a shock or jam in one part of the production layout can snowball into a complete system shutdown — damaging equipment and losing product.
SHOCK RELAY
It doesn’t have to happen.
Tsubaki’s SAFCON ® family of overload and protection devices offer a solution to fit every need and keep you productive all day, every day, without interruption, so you can get your product out the door.
SHOCK GUARD
Tsubaki offers not only the finest parts in the industry for your equipment, it also offers protection for those parts and the machinery they belong to. Our SAFCON ® family – Shock Relay, Shock Guard, Torque Limiter, and Axial Guard – covers the whole range of needs. One-stop shopping.
TORQUE LIMITER
You protect what you value. You use seat belts. You have a sump pump in your basement. You wear a helmet when you cycle. Not because things happen everyday, but because they CAN happen.
AXIAL GUARD
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1
SAFCON ®
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Shock Relay
Pioneered by Tsubaki, the Shock Relay protects your equipment against unexpected shock loads, overloads, and underloads before damage occurs. Shock Relay protects the mechanical parts of your equipment by monitoring the current on your motor and shutting it down when the motor works too hard for too long.
Advantages to you:
Back to work with the press of a button No parts to replace
Precision adjustment and setting Little potential for nuisance trips Monitors and protects equipment from up to 1,000 feet away The Shock Relay adapts to virtually any kind of equipment that’s driven by an electric motor and is used in applications in a broad variety of industries, including:
INDUSTRY
APPLICATION
Material handling
Conveyors, turntables, elevators
Water treatment plants
Pumps, scrappers, water screens
Screw and belt conveyors, bucket elevators
Food machinery
UL Certification
Machine tool
Tapping machines, drill presses
Chemical
Pumps, agitators, filters
RoHS Compliant
We’ve thought of everything. The Shock Relay knows when the motor driving your operation is working too hard. It’s simple: you set the load current so Shock Relay knows where your motor should be operating. And it knows, too, when a surge is dangerous because you determine the time of an acceptable momentary surge, allowing Shock Relay to ignore small variations. Your adjustment of the start time setting prevents the Shock Relay from engaging during start up when the current draw of a motor is greater than the running current. Unlike mechanical devices like the Shear Pin Sprocket, which requires downtime to fix, U.S. Tsubaki’s Shock Relay resets at the press of a button. That’s it.
Shock Relay accepts single and three- phase motors up to 600 volts.
Operating Power 24-240 VAC/DC
Shock Relay selection is simple; it is based on the motor amperage of your machinery.
Shock Relay has an unlimited life - it does not wear out.
More information at www.ustsubaki.com
2
Tsubaki ® : The choice for overload protection and safety
Sample Wiring Configuration
Adding the Tsubaki Shock Relay to your existing Start/Stop circuit is easy. Generally, no advanced knowledge of electronics is necessary. Just a few wires and a few adjustments quickly can result in less down time and lower maintenance costs. The Shock Relay protects your mechanical components. Thermal relays and Inverters do not, their purpose is different, their protection is different. Using the correct tool saves time and money. In the past, heavy loads and hard-working equipment required large shear pins and bulky safety devices. Tsubaki has changed the equation. Bigger motors do not equal a more expensive Shock Relay. Simple, reliable, user-friendly.
No advanced knowledge of electronics is necessary.
Motor size does not determine cost. Bigger motors don’t require a more expensive Shock Relay.
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SAFCON ®
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TSBED SERIES 2.77H x 2.20W x 3.04D
Designed to work with inverters. Digital display. Built- in tamper-proof cover and built-in test button. Choose between self-holding output relay and automatic reset.
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TSB150 SERIES 4.5H x 4.9W x 4.33D
The most popular model for overload protection. Has a built-in reset button, test button or automatic reset. Unit has UL/cUL Certification, CE marking and is RoHS compliant. The original Shock Relay with self-holding circuit and analog meter. Four series available: Standard Overload, Pre-Alarm notification, Impact detection, Over and Underload protection. Automatic reset with fixed start-time to accommodate motor in-rush current. Dual output contacts allow many wiring options. Two-piece construction aids fitting into crowded panels. Compact, all-in-one, and economically priced. Limited features but perfect for the OEM customer. Special MTO amperages available.
TSBSB SERIES 2.44H x 2.13W x 2.60D
TSBSM SERIES 2.96H x 2.16W x 3.03D
TSB50
2.75H x 2.36W x 3.07D
More information at www.ustsubaki.com
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Tsubaki ® : The choice for overload protection and safety
MODEL
SIZE
AMPERAGE RANGE
START TIME RANGE
SHOCK TIME RANGE
OUTPUT CONTACT RATING
MOUNTING
TSBED
020 075 220 550
0.2 ~ 2.4A 0.2 ~ 10s
0.2 ~ 5.0s 3A, 250VAC 35mm DIN or surface mount
1.2 ~ 5.8A 3.0 ~ 14A 6.0 ~ 34A
TSB150
151
0.3 ~ 16A 0.2 ~ 20s
0.2 ~ 3s
0.2A, 250VAC
Two components, both surface mount
152-100 10 ~ 100A 152-200 60 ~ 200A 152-300 90 ~ 300A 152-400 120 ~ 400A
Std, A, M, and W styles
TSBSB
05 10 30 60
0.5 ~ 6A 0.2 ~ 10s
0.2 ~ 5s
3A, 250VAC
35mm DIN or surface mount
1 ~ 12A 3 ~ 30A 5 ~ 60A
0.2 ~ 10s
0.2 ~ 5s
3A, 250VAC
100 200 300
10 ~ 100A 20 ~ 200A 30 ~ 300A
TSBSB05 plus surface mount transformer
0.2 ~ 10s
0.2 ~ 5s
3A, 250VAC
TSBSM
02
0.5 ~ 2A
1.5s fixed 1.0s fixed
3A, 250VAC
Surface mount
TSB50
0.4 ~ 16A
3s fixed
0.3 ~ 3s
0.1A, 250VAC
Two components, both surface mount
Setup is typically easiest when the max amperage of the Shock Relay is close to the motor amperage.
More information at www.ustsubaki.com
5
SAFCON ®
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Shock Guard
Tsubaki’s Shock Guard is a ball and detent mechanical device that offers enhanced precision over other mechanical devices. Bearing the brunt of the load when tripped, the Shock Guard reacts instantly to save equipment and product. The Shock Guard’s one-position design allows each ball to return to its unique location when it resets so that your equipment resumes its work exactly where it was before the jam or overload. Advantages over other devices: Instant and complete disengagement Accurate and consistent torque setting Automatic re-engagement limits downtime and need for maintenance worker to switch tasks Externally adjustable trip torque speed installation and setup Backlash free operation
INDUSTRY
APPLICATION
Transport
Conveyors, turntables, elevators
Pumping
Pumps, agitators, filters
Screw and belt conveyors, bucket elevators
Plastic processing
Metal working
Tapping machines, drill presses
Environmental
Water gate, water screen
Bag making, cartoning, vacuum packing
Packaging
Food processing
Noodle making, flour mill
The Shock Guard is ideal in a wide range of settings and is especially suited for more sophisticated applications that may be prone to jams. Users require a consistent and predictable trip point with quick resetting so that production is maintained and each line stays in sync with where it left off. Shock Guard is easy to set and adjust with its built-in meter and indicator having distinct torque setting points for easy verification. The asymmetrical arrangement of balls and pockets allows for same-position resetting. Once the jam or overload is removed, Shock Guard reengages automatically by jogging the outer drive hub. Tsubaki offers a series of four categories of Shock Guard to support all your protection needs.
Manual disengagement feature assists with machine maintenance.
High speed or low speed service, bi-directional rotation.
Disengages at a pre-set torque rating. Protects your equipment against the unexpected.
Quick and easy reset.
More information at www.ustsubaki.com
6
Tsubaki ® : The choice for overload protection and safety
Shock Guard Series
TGB SERIES An economical choice for general use. The TGB series can be used with almost any machine. Offers automatic resetting, easy-to-read torque indicator, and no backlash.
TGM SERIES The gasket and O-ring sealed construction in the TGM series is unique. Excels in wet, dusty, and oily applications. Designed for long life, tough environments.
TGX SERIES A high-precision option, the TGX series features no backlash and unsurpassed operation rigidity. Ideal for machines that require accurate positioning.
TGZ SERIES A release-type protection device, the TGZ series offers on-off clutch capability. Its simple and straightforward adjustments make it easy to use.
More information at www.ustsubaki.com
7
SAFCON ®
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TGB SERIES
An economical choice for general use. The TGB series can be used with almost any machine. Offers automatic resetting, easy-to-read torque indicator, and no backlash.
SPECIFICATIONS
Select based on torque required, rpm, and shaft diameter:
MAXIMUM BORE DIAMETER
TORQUE RANGE (FT. - LBS.)
MAXIMUM RPM
ROUGH STOCK BORE
MODEL
A
E
F (P.C.D.)
G
WT (LBS.)
TGB08-L
0.2 ~ 1.1
TGB08-M 0.6 ~ 1.6 TGB08-H 0.9 ~ 2.2 TGB12-L 0.5 ~ 2.2 TGB12-M 1.4 ~ 3.6 TGB12-H 2.2 ~ 4.3 TGB16-L 1.1 ~ 3.6 TGB16-M 2.2 ~ 5.8 TGB16-H 4.3 ~ 8.7 TGB20-H 7.0 ~ 33
1200
0.20
0.31
1.54
1.575 1.339
1.02
0.3
1000
0.24
0.47
1.85
1.890 1.575
1.26
0.5
900
0.28
0.63
2.20
1.54
1.0
2.283 1.969
700
0.31
0.79
1.85
3.543 3.071
2.44
2.0
TGB30-L TGB30-H TGB50-L
14 ~ 40 39 ~ 123 50 ~ 109
500
0.47
1.18
2.36
4.449 3.937
3.23
4.4
TGB50-M 100 ~ 304 TGB50-H 144 ~ 398 TGB70-H 216 ~ 796
300
0.87
1.97
3.19
6.299 5.591
4.80
13.0
160
1.26
2.76
4.33
8.661 7.874
6.69
37.5
TGB90-L TGB90-H TGB110-L
325 ~ 976 686 ~ 2,313 506 ~ 1,446
120
1.65
3.54
6.18
11.61 10.433 9.29
82.7
100
2.05
4.33
7.68
13.98 12.795 11.30
153
TGB110-H 1,156 ~ 3,760 TGB130-L 868 ~ 2,240 TGB130-H 1,950 ~ 5,200
80
2.36
5.12
9.06
15.75 14.173 12.56
225
TGB08~TGB16
TGB20~TGB50
TGB70~TGB130
More information at www.ustsubaki.com
8
Tsubaki ® : The choice for overload protection and safety
TGM SERIES
The gasket and O-ring sealed construction in the TGM series is unique. Excels in wet, dusty, and oily applications. Designed for long life, tough environments.
SELECTION
Select based on torque required, rpm, and shaft diameter:
TORQUE RANGE (LBS. - FT.)
MAXIMUM RPM
MODEL
BORE RANGE
A
F
G
H
I
WT (LBS.)
TGM3 TGM6
1.1 ~ 2.7 1.8 ~ 4.7 4.7 ~ 14.5 14.5 ~ 50 50 ~ 166 166 ~ 333 333 ~ 665
600 600 500 300 200 150 150
0.39 ~ 0.55 0.39 ~ 0.55 0.55 ~ 0.79 0.79 ~ 1.18 1.10 ~ 1.97 1.50 ~ 2.36 1.50 ~ 2.36
2.36 2.36 2.76 3.50 4.33 6.18 6.18
3.15 3.15 3.94 5.24 7.00
0.87 0.87 1.18 1.87 2.75 3.50 3.50
1.181 1.181 1.575 2.362 3.228 4.488 4.488
1.97 1.97 2.36 3.39 5.24 7.48 7.48
1.3 1.3 2.4 5.5
TGM20 TGM60 TGM200 TGM400 TGM800
11.9 37.8 37.8
10.75 10.75
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9
SAFCON ®
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TGX SERIES
A high-precision option, the TGX series features no backlash and unsurpassed operation rigidity. Ideal for machines that require accurate positioning.
SELECTION
Select based on torque required, rpm, and shaft diameter:
TORQUE RANGE (FT. - LBS.) 1.2 ~ 4.7
MAXIMUM BORE DIAMETER
Q (SCREW DIA. AND LENGTH)
U (SCREW DIA. AND LENGTH)
MAXIMUM RPM
ROUGH STOCK BORE
WT (LBS.)
MODEL
A
G
H (PCD)
J (PCD)
TGX10-L
TGX10-M 4.0 ~ 10.9 TGX10-H 8.0 ~ 21.7 TGX20-L 4.8 ~ 17.4 TGX20-M 9.6 ~ 25.1 TGX20-H 18.8 ~ 50 TGX35-L 17 ~ 50 TGX35-M 32 ~ 72 TGX35-H 64 ~ 145 TGX50-L 33 ~ 87 TGX50-M 66 ~ 145 TGX50-H 130 ~ 289 TGX70-L 94 ~ 268 TGX70-M 195 ~ 376 TGX70-H 289 ~ 578
1400
0.27
0.59 2.09 2.441 2.126 1.339 M4 x 6 M4 X 7 1.7
1100
0.33
0.98 2.52 3.386 2.913 1.969 M5 x 8 M4 X 7 3.7
800
0.47
1.38 2.68 4.213 3.465 2.362 M6 x 7 M5 X 8 5.5
600
0.71
2.17 3.62 5.827 5.118 –
M8 x 13
–
15
480
0.91
2.76 3.86 7.283 6.457 –
M10 x 13
–
25
More information at www.ustsubaki.com
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Tsubaki ® : The choice for overload protection and safety
TGZ SERIES
A release-type protection device, the TGZ series offers on-off clutch capability. Its simple and straightforward adjustments make it easy to use.
SELECTION
Select based on torque required, rpm, and shaft diameter:
TORQUE RANGE (FT. - LBS.) 1.7 ~ 6.1
MAXIMUM BORE DIAMETER
U (SCREW DIA. AND LENGTH)
MAXIMUM RPM
ROUGH STOCK BORE
WT (LBS.)
MODEL
A
H
J
K (PCD)
L
TGZ20-L
TGZ20-M 3.0 ~ 11.6 TGZ20-H 6.0 ~ 23.1 TGZ30-L 4.3 ~ 15.2 TGZ30-M 14.5 ~ 38.3 TGZ30-H 28.9 ~ 79.5 TGZ40-L 18 ~ 69 TGZ40-M 32 ~ 94 TGZ40-H 65 ~ 181 TGZ50-L 46 ~ 116 TGZ50-M 94 ~ 224 TGZ50-H 181 ~ 333
1800
0.32
0.79 2.91 0.43 3.78 3.386 2.835 M5 X 10 5.7
1800
0.47
1.18 3.29 0.45 4.65 4.173 3.425 M6 X 12 9.2
1800
0.67
1.57 3.98 0.55 5.98 5.472 4.488 M6 X 12
19
1800
0.87
1.97 4.51 0.63 7.01 6.378 5.236 M80 X 16 30
More information at www.ustsubaki.com
11
SAFCON ®
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Torque Limiter
Refined by Tsubakimoto in Japan for over 40 years, the Torque Limiter is a simple and inexpensive mechanical device that, true to its name, limits damage to equipment when an unexpected increase in torque occurs because of a jam or overload. Easy to install, the Torque Limiter attaches to a shaft and holds the drive or driven 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, preventing the increased power from damaging your equipment.
Advantages over other devices:
Competitively priced No resetting is required Adaptable to thousands of types of equipment configurations Can be used alone or in conjunction with other process controls.
INDUSTRY
APPLICATION
Material handling
Conveyors, turntables, elevators
Water treatment plants
Pumps, scrappers, water screens
Screw and belt conveyors, bucket elevators
Food machinery
Machine tool
Tapping machines, drill presses
Chemical
Pumps, agitators, filters
Environmentally safe, Tsubaki Torque Limiter contains no asbestos and no lead.
Not all Torque Limiters are created equally.
Tsubaki has developed a superior Torque Limiter that allows for more precise adjustments than other products of the same name. We accomplish this by using a finer-pitch thread on the adjustment bolts enabling accurate setting of the slip-point – no longer settle for just a ballpark value. Tsubaki Torque Limiters use specially-formulated friction materials to extend time between replacement and improve repeatability of the slip-point. Tsubaki Torque Limiters provide long life, consistent performance, and the best value over years of operation.
Torque Limiter can be used with a sprocket, sheave, or gear.
Tsubaki Torque Limiter’s finer adjustment screw pitch means more precision.
Excellent for hard work and heavy use.
More information at www.ustsubaki.com
12
Tsubaki ® : The choice for overload protection and safety
TL SERIES
Traditional machine protection. Friction-type construction. Slip-torque setting is done by simply tightening the adjusting nut or bolts. Competitively priced and easy to use.
SELECTION
Select based on torque required, rpm, and shaft diameter. Bushing Length selection should be equal to or shorter than width of center member (sprocket, etc.):
ROUGH STOCK BORE
TORQUE RANGE (LBS. - FT.) 0.7 ~ 1.5 2.2 ~ 7.2 5.0 ~ 15 2.2 ~ 5.0 5.0 ~ 20 10 ~ 40 7.0 ~ 15 15 ~ 55 25 ~ 110 15 ~ 36 35 ~ 155 65 ~ 310 36 ~ 87 85 ~ 420 165 ~ 800 289 ~ 940 435 ~ 1,370 651 ~ 1,960
MAXIMUM RPM
MAX. BORE W.STD. KW
WT (LBS.)
MODEL
BUSHING LENGTHS
D DH
L
S (MAX.)
TL200-1L TL200-1 TL200-2 TL250-1L TL250-1 TL250-2 TL350-1L TL350-1 TL350-2 TL500-1L TL500-1 TL500-2 TL700-1L TL700-1 TL700-2 TL10-16 TL10-24 TL14-10
1800
0.28
0.55
0.150, 0.236
2.0 0.95 1.14 0.276 0.44
0.177, 0.256
1800
0.39
0.88
2.5 1.38 1.88 0.354 1.32
1800
0.67
1.00
0.177, 0.256, 0.374 3.5 1.65 2.44 0.630 2.65
1800
0.78
1.75
0.256, 0.374
5.0 2.56 3.0 0.630 7.72
1800
1.18
2.63
0.374, 0.492
7.0 3.75 3.86 1.142 18.5
1000
1.18
2.84
0.492, 0.610, 0.768 10 3.94 4.53 0.945 46.3
500
1.57
3.94
0.610, 0.768, 0.925 14 5.71 5.91 1.142 115
TL14-15 1,446 ~ 2,890 TL20-6 1,807 ~ 3,615 TL20-12 3,400 ~ 6,870
500
1.97
5.12
0.610, 0.768, 0.925 20 7.28 6.89 1.22 258
TL200~TL350
TL500~TL700
TL10~TL20
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13
SAFCON ®
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Axial Guard
Straight-line operations like pushers and cranks present unique challenges for determining and deflecting overload. Distinguished in the marketplace, U.S. Tsubaki’s Axial Guard offers a new style of protection using ball and grooves that provide a consistent, repeatable, user-defined trip point.
Advantages over other devices:
Highly-accurate repeatable trip point No parts to replace
Easy installation using tapped end caps Load adjustment set with a single screw Non-backlash design allows a “rigid” installation
Axial Guard offers overload protection where motion is back and forth rather than rotating. This new-style mechanical protection device is easy to install and to adjust.
INDUSTRY
APPLICATION
Conveyor torque arms, damper doors Inserters, pick and place equipment
Bulk handling
Assembly equipment
Metal-forming equipment
Extruders, formers
Packaging equipment
Carton sealing, labeling
Axial Guard works in either pushing or pulling applications – and the trip point in either direction is identical. When overloads occur, the Axial Guard “trips” and eliminates the overload that can result in damage and downtime. To reset, a small pull or push in the opposite direction is all it takes to return Tsubaki’s Axial Guard to operation. Downtime has been limited and production is up and going quickly.
Axial Guard is a new style of machine protection.
Axial Guard mounts directly to shaft.
Axial Guard provides immediate release when overload occurs.
Axial Guard addresses the difficult problem of straight-line operations.
More information at www.ustsubaki.com
14
Tsubaki ® : The choice for overload protection and safety
AXIAL GUARD
An all new mechanical-type overload device, the Axial Guard protects when the load acts linearly, as with pushers or cranks.
The cam pushes the work piece. When overload occurs due to the over-weighted work piece or jamming, the Axial Guard trips and protects the machine.
SELECTION
Select based on thrust load:
THRUST LOAD RANGE (LBS.) 33 ~ 143 132 ~ 330 165 ~ 550 220 ~ 770
MODEL
A
N
P
U
X
WT (LBS.)
TGA65 TGA150 TGA250 TGA350
1.3 1.5 1.8 2.2
2.3 2.8 3.5 4.3
0.6 0.8 0.9 1.2
M6 M8
M3 M4 M5 M6
0.4 0.9 1.5 2.6
M12 M14
More information at www.ustsubaki.com
15
SAFCON ®
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TORQUE LIMITER MACHINING GUIDELINES
Sprocket
MINIMUM ROLLER CHAIN SPROCKET SIZE AND NUMBER OF TEETH
MODEL
RS35
RS40
RS50
RS60
RS80
RS100
RS120
RS140
RS160
TL200 TL250 TL350 TL500 TL700
20
16 20 26
17 21 29
18 25 33
15 19 26
21 29 39 54
16 24 33 46
TL10 TL14 TL20
22 29 40
26 35
C
CENTER MEMBER MACHINING TOLERANCES
C
A MIN. DIA.
B BORE
C MAX
SURFACE FINISH- A&B
MODEL
TL200 TL250 TL350 TL500 TL700
2.17 2.76 3.74 5.24 7.25
1.1811 ~ 1.1822 1.6141 ~ 1.6161 1.9291 ~ 1.9311 2.9133 ~ 2.9154 4.1338 ~ 4.1358 5.1349 ~ 5.3177 7.2047 ~ 7.2075 8.8976 ~ 8.9004
0.276 0.354 0.630 0.630 1.142 0.945 1.142 1.220 Hub Hub
0.0019
A
0.0012
A
63 micro-inch finish max.
Hub
0.0019
A
TL10 TL14 TL20
10.24 14.25 0.0012 20.24 Hub
Rubbing Surface on both ends
A
0.0012
A
A 0.0019
A
A
C
Rubbing Surface on both ends
A
0.0012
A 0.0019
TORQUE LIMITER HUB MACHINING
A
A
Drawing illustrates hub held in machining center. Note machining values, H7 bore tolerances recommended.
0.0019
0.0019
A
A
TL200~700
0.0012 TL10~20
A
0.0012
A
Hub
Hub
Hub
Hub
A 0.0019 Rubbing Surface on both ends
A
0.0012
A
0.0012
A 0.0019
A
A
A
A
More information at www.ustsubaki.com
16
U. S. Tsubaki, Inc. Headquarters 301 E. Marquardt Drive Wheeling, IL 60090 Phone: (800) 323-7790 Phone: (847) 459-9500 Fax: (847) 459-9515 Roller Chain Holyoke Plant U. S. Tsubaki, Inc. 821 Main Street Holyoke, MA 01040 Phone: (800) 628-9037 Fax: (413) 543-8239
Engineering Chain Sandusky Plant U. S. Tsubaki, Inc.
1010 Edgewater Drive Sandusky, OH 44870 Phone: (800) 537-6140 Phone: (419) 626-4560 Fax: (419) 626-5194
DISTRIBUTED BY:
sales@ustsubaki.com ustsubaki.com
NOTE: In accordance with the policy of U.S. Tsubaki, Inc. to consistently improve its products, the specifications in this catalog are subject to change without notice. © U.S. Tsubaki, Inc. 2008 All Rights Reserved.
CATALOGUE NUMBER: LO830000 Printed in U.S. 3/08
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