Sprocket Catalog

No. 40

FINISHED BORE SPROCKET DIMENSIONS

U.S. TSUBAKI STOCK SPROCKETS

HOW TO ORDER

U.S. Tsubaki Stock Sprockets

All dimensions in inches unless noted.

No. 40 Sprocket Diameters

Type “F” Bored to Shaft Size (includes standard keyway and two set screws)

Chain Data Size

Hub Style

Wt. Lbs. 0.20 0.27 0.35 0.45 0.50 0.59 0.70 0.79 1.04 1.22 1.43 1.56 1.73 1.96 2.13 2.41 2.54 2.58 2.66 2.73 2.80 2.98 3.10 3.16 3.22 3.30 3.46 3.58 3.62 3.70 3.76 4.69 4.76 4.82 5.12 5.15 5.30 5.57 5.44 5.84 5.90 5.95 6.08 6.28 6.33 6.42 6.46 6.89 7.02 7.35 7.45 7.86

No.

No. Teeth

Outside Dia. Pitch Dia. Caliper Dia.

Pitch

1/2"

1/2" Pitch: FINISHED BORE 40

Inside Width

5/16" 0.312" 0.284"

1.674 1.839 2.003 2.166 2.328 2.490 2.652 2.814 2.974 3.136 3.292 3.457 3.618 3.778 3.938 4.098 4.258 4.418 4.578 4.738 4.900 5.057 5.220 5.376 5.540 5.696 5.856 6.015 6.170 6.334 6.490 6.653 6.810 6.972 7.130 7.290 7.450 7.610 7.770 7.930 8.090 8.250 8.410 8.570 8.730 8.890 9.040 9.200 9.360 9.520 9.680 9.840

1.462 1.618 1.775 1.932 2.089 2.247 2.405 2.563 2.721 2.879 3.038 3.196 3.355 3.513 3.672 3.831 3.989 4.148 4.307 4.465 4.625 4.783 4.942 5.101 5.260 5.419 5.578 5.737 5.896 6.055 6.214 6.373 6.532 6.691 6.850 7.009 7.168 7.327 7.486 7.645 7.804 7.963 8.122 8.281 8.440 8.599 8.758 8.917 9.077 9.235 9.395 9.554

1.127 1.305 1.444 1.620 1.761 1.934 2.079 2.250 2.397 2.567 2.715 2.883 3.033 3.201 3.351 3.518 3.669 3.835 3.987 4.153 4.305 4.471 4.623 4.788 4.941 5.107 5.260 5.425 5.578 5.742 5.896 6.061 6.214 6.379 6.532 6.696 6.851 7.014 7.169 7.332 7.487 7.650 7.805 7.968 8.124 8.826 8.442 8.605 8.760 8.924 9.078 9.241

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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 E E E E E E E E E E E E E E E E E E E E E E E E E E

Roller Diameter

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 70 72 80 84 96

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Nominal Tooth Width:

How to Order Code: Example Model # for 40 Pitch Finished Bore Carbon Steel Sprockets 40B 60 F- 1B

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Chain Pitch in Inches Hub Type

Number of Teeth

Finished Bore

Hub Bore **

9 21 33 45 57 10 22 34 46 58 11 23 35 47 59 12 24 36 48 60 13 25 37 49 70 14 26 38 50 72 15 27 39 51 80 16 28 40 52 84 17 29 41 53 96 18 30 42 54 112

H: J: L:

1/2" 5/8" 3/4" 7/8"

(0.500") (0.625") (0.750") (0.875") (1.000") (1.125")

F: Hub Extension Machined with keyway and two set screws

B: Hub

1B: 1C: 1D: 1F: 1G: 1H:

1-1/8"

Extension One Side

40: 1/2" Pitch

1-3/16" (1.188")

1-1/4" 1-3/8"

(1.250") (1.375")

1-7/16" (1.437")

19 31 43 55 20 32 44 56

1-1/2"

(1.500")

** 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) .284˝ NOMINAL

11.430 11.750 13.030 13.660 15.570 18.120

11.145 11.463 12.736 13.372 15.282 17.827

10.832 11.151 12.423 13.059 14.969 17.515

11.00 11.50 13.40 14.04 17.56 22.56

112

STYLES TYPEB LTB

STYLEE TYPEB LTB

• Denotes stocked item ¢ Indicates ser screw at 90 degrees and 180 degrees from keyway ** Furnished without keyway