Sprocket Catalog

No. 80

PLAIN BORE SPROCKET DIMENSIONS

U.S. TSUBAKI STOCK SPROCKETS

HOW TO ORDER

U.S. Tsubaki Stock Sprockets

All dimensions in inches unless noted.

No. 80 Plain Bore Sprocket Dia.

Type “A” Plain Bore

Type “B” & “C” Plain Bore

Chain Data Size

80 1"

No. Teeth

Outside Dia.

Pitch Dia. 2.613 2.924 3.236 3.549 3.864 4.179 4.494 4.810 5.126 5.442 5.759 6.076 6.392 6.710 7.027 7.344 7.661 7.979 8.296 8.614 8.931 9.249 9.567 9.884 10.202 10.520 10.838 11.156 11.474 11.792 12.110 12.428 12.746 13.064 13.382 13.700 14.018 14.336 14.654 14.972 15.290 15.608 15.926 16.244 16.562 16.880 17.198 17.516 17.835 18.153 18.471 18.789 19.107 20.698 22.289 22.926 25.471 26.744 30.563 35.655

Caliper Dia.

Plain Bore

Wt. Lbs.

Plain Bore 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 1.000 1.000 1.250 1.250 1.250 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.500 1.500 1.500 1.500 1.500 1.500

MAX Bore *

Hub Dia.

Hub Type

Hub Style

Wt. Lbs. 1.40 1.60 2.20 3.20 3.40 3.50 4.10 5.30 5.90 6.60 7.30 7.80 8.40 9.40 10.00 10.70 11.30 11.90 14.30 15.40 16.00 17.10 17.40 18.70 19.50 19.60 21.30 22.10 23.10 23.80 24.70 25.60 26.70 27.80 28.70 29.40 29.90 31.40 33.10 34.00 35.50 35.80 37.30 38.50 39.40 41.30 44.70 45.60 47.50 48.50 50.50 52.10 54.50 61.80 75.70 81.40 89.90 99.20

No.

LTB

Pitch

1" Pitch: PLAIN BORE 80

8 9

3.010 3.350 3.680 4.010 4.330 4.660 4.980 5.300 5.630 5.950 6.270 6.590 6.910 7.240 7.560 7.880 8.200 8.520 8.840 9.160 9.480 9.800

1.988 2.254 2.611 2.888 3.239 3.523 3.869 4.158 4.501 4.794 5.134 5.430 5.767 6.066 6.402 6.702 7.036 7.338 7.671 7.974 8.306 8.611 8.942 9.247 9.577 9.883

N/A

1.000 1.938 ¨ 1.313 2.250 ¨ 1.500 2.563 ¨ 1.625 2.813 ¨ 1.875 3.125 ¨

1.625 1.625 1.625 1.625 1.625 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.500 1.750 1.750 1.750 1.750 1.750 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 3.500 3.500 3.500 3.500 3.500 3.500

B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B C C C C C C

S S S S S S S S S S S S S S S S S S D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D

Inside Width

5/8"

0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 0.938 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.188 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.500 1.500 1.500 1.500 1.500 1.500

0.80 1.00 1.30 1.50 1.80 2.20 2.50 2.90 3.30 3.70 4.10 4.70

Roller Diameter

0.625" 0.575"

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 65 70 72 80 84 96

Nominal Tooth Width:

2.000 2.250 2.500 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 2.750 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.250 3.500 3.500 3.500 3.500 3.500 3.500 3.500 3.500 4.250 4.250 4.250 4.250 4.250 4.250

3.000 3.250 3.813 4.000 4.000 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.250 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 4.750 5.250 5.250 5.250 5.250 5.250 5.250 5.250 5.250 6.250 6.250 6.250 6.250 6.250 6.250

A 80 A 37 How to Order Code: Example Model # for 80 Pitch Plain Bore Carbon Steel Sprockets

4.900 5.500 6.300 6.700 7.200 7.800 8.600 9.300 9.800 10.70 11.30 12.10 13.60 14.30 14.80 16.10 16.80 17.20 17.90 18.90 21.00 21.80 23.60 24.30 25.20 26.60 26.40 27.80 28.90 30.90 32.20 33.00 34.90 36.60 37.50 39.40 40.40 41.30 42.90

Altered !!

Chain Pitch in Inches

Hub Type

Number of Teeth

22 23 24 25 26 27 28 29 30 31 32 33 34 19 20 21 22 23 24 25 26 27 28 29 76 80

35 36 37 38 39 40 41 42 43 44 45 46 47 30 31 32 33 34 35 36 37 38 39 40 84 90

48 49 50 51 52 53 54 55 56 57 59 60 65 41 42 43 44 45 46 47 48 49 50 51 96

70 72 76 80 84 90 96

10 11 12 13 14 15 16 17 18 19 20 21

10.110 10.430 10.750 11.070 11.390 11.710 12.030 12.350 12.670 12.990 13.310 13.630 13.940 14.260 14.580 14.900 15.220 15.540 15.860 16.180 16.500 16.810 17.130 17.450 17.770 18.090 18.410 18.730 19.040 19.360 19.680 21.270 22.870 23.500 26.050 27.330 31.150 36.240

A: No Hub

Extension

112

10.213 10.520 10.849 11.156 11.485 11.792 12.121 12.429 12.757 13.065 13.393 13.702 14.029 14.338 14.665 14.975 15.301 15.611 15.937 16.248 16.573 16.884 17.210 17.521 17.846 18.157 18.482 20.067 21.644 22.301 24.846 26.119 29.938 35.030

A: Alteration Required

80: 1" Pitch

8 9

52 53 54 55 56 57 58 59 60 65

10 11 12 13 14 15 16 17 18 70 72

B: Hub Extension One Side

C: Hub Extension Both Sides

112

45.30 52.20 59.80 65.70 79.60 86.10 120.00 166.00

!! Alteration field only to be denoted if a deviation from standard is required.

TOOTH (NOMINAL) .575˝ NOMINAL

Please reference Alterations in engineering section, page 210.

D 117.00 D 154.00

112

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

LTB

TYPEA

STYLES TYPEB

STYLED TYPEB

STYLED TYPEC