SINGLE SPLIT TAPER
No. 120
Chain Data Chain Size
1 1/2” Pitch
120
Pitch
1.500" 1.000"
Inside Width
Roller Diameter
.875"
Nominal Tooth Width:
0.924"
Sprocket Diameters
Type B and C
All dimensions in inches unless noted.
1 1 / 2 " Pitch
LTB
Pitch Caliper 120 Single Split Taper - 1.50" Pitch
Types B and C
No. of Outside
Catalogue
Bushing
Weight (Ibs.)
Teeth Diameter Diameter Diameter
Number Type Style Hub
LTB
(L)
OL
P
M
C
H
6.009 6.498 6.986 7.472 7.957 8.441 8.441 8.924 8.924 9.407 9.407 9.889 No. of Teeth 11 12 13 14 15 16 16 17 17 18 18 10.371 10.852 11.333 11.813 12.294 12.774 13.254 14.213 15.172 16.130 17.566 18.045 19.959 19.959 20.916 22.351 22.351 23.786 26.654 29.522 29.522 34.300 34.300 39.078 39.078 19 20 21 22 23 24 25 26 28 30 32 35 36 40 40 42 45 45 48 54 60 60 70 70 80
Outside Diameter
Pitch Diameter
Caliper Diameter
Catalog Number Type Bushing Style LTB
LTB Bushing (L)
11 12 13 14 15 16 16 17 17 18 18 19 20 21 22 23 24 25 26 28 30 32 35 36 40 40 42 45 45 48 54 60 60 70 70 80 80
120Q11 120Q12 120Q13 120Q14 120Q15 120Q16 120R16 120Q17 120R17 120Q18 120R18 120R19 120R20 120R21 120R22 120R23 120R24 120R25 120R26 120R28 120R30 120R32 120R35 120R36 120R40 120S40 120S42 120R45 120S45 120S48 120S54 120R60 120S60 120R70 120S70 120R80 120S80
5.325 5.796 6.269 6.741 7.215 7.689 7.689 8.163 8.163 8.639 8.639 9.114 9.588
1 9 / 16 1 9 / 16 1 9 / 16 1 9 / 16 1 9 / 16 1 9 / 16 1 15 / 16 1 9 / 16 1 15 / 16 1 9 / 16 1 15 / 16 1 15 / 16 1 15 / 16 1 15 / 16 1 15 / 16 1 15 / 16 1 15 / 16 1 15 / 16
4.395 4.921 5.347 5.866 6.300 6.814 6.814 7.254 7.254 7.764 7.764 8.207 8.713 9.161 9.666
4.8 6.3 7.9 9.2
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 B B C B B B C B C B C C
OL
P
M C
H Wt. LBS
2 1 / 2 2 1 / 2 2 1 / 2 2 1 / 2 2 1 / 2 2 1 / 2 2 7 / 8 2 1 / 2 2 7 / 8 2 1 / 2 2 7 / 8 2 7 / 8 2 7 / 8 2 7 / 8 2 7 / 8 2 7 / 8 2 7 / 8 2 7 / 8 2 7 / 8 2 7 / 8 2 7 / 8 2 7 / 8 4 7 / 8 4 7 / 8 4 7 / 8 4 3 / 8 4 3 / 8 4 7 / 8 4 3 / 8 4 3 / 8 4 3 / 8 4 7 / 8 4 3 / 8 4 7 / 8 6 3 / 4 4 7 / 8 6 3 / 4 1.750 1.750 1.750 1.750 1.750 1.750 2.000 1.750 2.000 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 4.000 4.000 4.000 3.156 3.156 4.000 3.156 3.156 3.156 4.000 3.156 4.000 5.688 4.000 5.688
0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924 0.924
3 7 / 8 3 7 / 8 4 1 / 2 4 1 / 2 4 1 / 2 4 1 / 2 5 3 / 4 4 1 / 2 5 3 / 4 4 1 / 2 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 5 3 / 4 6 3 / 4 6 3 / 4 5 3 / 4 6 3 / 4 6 3 / 4 6 3 / 4 5 3 / 4 6 3 / 4 5 3 / 4 6 3 / 4 5 3 / 4 6 3 / 4
2 25 / 32 2 25 / 32 2 25 / 32 2 25 / 32 2 25 / 32 2 25 / 32 3 5 / 32 2 25 / 32 3 5 / 32 2 25 / 32 3 5 / 32 3 5 / 32 3 5 / 32 3 5 / 32 3 5 / 32 3 5 / 32 3 5 / 32 3 5 / 32 3 5 / 32 3 5 / 32 3 5 / 32 3 5 / 32 5 5 / 32 5 5 / 32 5 5 / 32 4 3 / 4 4 3 / 4 5 5 / 32 4 3 / 4 4 3 / 4 4 3 / 4 5 5 / 32 4 3 / 4 5 5 / 32 7 1 / 8 5 5 / 32 7 1 / 8
1 3 / 4 1 3 / 4 1 3 / 4 1 3 / 4 1 3 / 4 1 3 / 4 2 1 3 / 4 2 1 3 / 4 4 4 4 4 4 4 4 4 4
- - - - - - - - - - - - - - - - - -
Q1 Q1 Q1 Q1 Q1 Q1 R1 Q1 R1 Q1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R2 R2 R2 S1 S1 R2 S1 S1 S1 R2 S1 R2 S2 R2 S2
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 6 6 6 5 5 6 5 5 5 6 5 6 5 6 6
6.009 6.498 6.966 7.472 7.957 8.441 8.441 8.924 8.924 9.407 9.407 9.889
5.325 5.796 6.269 6.741 7.215 7.689 7.689 8.163 8.163 8.639 8.639 9.114 9.588
4.395 120Q11 B 4.921 120Q12 B 5.347 120Q13 B 5.866 120Q14 B 6.300 120Q15 B 6.814 120Q16 B 6.814 120R16 B 7.254 120Q17 B 7.254 120R17 B 7.764 120Q18 B 7.764 120R18 B 8.207 120R19 B 8.713 120R20 B 9.161 120R21 B 9.666 120R22 B 10.115 120R23 B 10.617 120R24 B 11.070 120R25 B 11.569 120R26 B 12.522 120R28 B 13.476 120R30 B 14.428 120R32 B 15.842 120R35 C 16.336 120R36 C 18.244 120R40 C 18.244 120S40 B 19.198 120S42 B 20.615 120R45 C 20.615 120S45 B 22.060 120S48 B 24.922 120S54 B 27.786 120R60 C 27.786 120S60 B 32.559 120R70 C 32.559 120S70 B 37.332 120R80 C 37.332 120S80 C
Q1 Q1 Q1 Q1 Q1 Q1 R1 Q1 R1 Q1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R1 R2 R2 R2 S1 S1 R2 S1 S1 S1 R2 S1 R2 S2 R2 S2
2.500 2.500 2.500 2.500 2.500 2.500 2.875 2.500 2.875 2.500 2.875 2.875 2.875 2.875 2.875 2.875 2.875 2.875 2.875 2.875 2.875 2.875 4.875 4.875 4.875 4.375 4.375 4.875 4.375 4.375 4.375 4.875 4.375 4.875 6.750 4.875 6.750
2.781 1.563 0.924 2.781 1.563 0.924 2.781 1.563 0.924 2.781 1.563 0.924 2.781 1.563 0.924 2.781 1.563 0.924 3.156 1.938 0.924 2.781 1.563 0.924 3.156 1.938 0.924 2.781 1.563 0.924 3.156 1.938 0.924 3.156 1.938 0.924 3.156 1.938 0.924 3.156 1.938 0.924 3.156 1.938 0.924 3.156 1.938 0.924 3.156 1.938 0.924 3.156 1.938 0.924 3.156 0.875 0.924
3.875 4.8 3.875 6.3 4.500 7.9 4.500 9.2 4.500 10.4 4.500 12.0 5.750 12.2 4.500 13.9 5.750 13.7 4.500 15.0 5.750 15.2 5.750 16.9 5.750 18.8 5.750 20.7 5.750 22.5 5.750 24.3 5.750 27.1 5.750 29.1 5.750 33.3
10.4 12.0 12.2 13.9 13.7 15.0 15.2 16.9 18.8 20.7 22.5 24.3 27.1 29.1 33.3 38.0 43.3 49.4 68.0 72.0 82.0 83.0 90.0
2 2 2 2 2 2 2 2 2 2 2 2 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 6 6 6
10.065 10.541 11.016 11.492 11.969 12.444 13.397 14.351 15.303 16.734 17.211 19.119 19.119 20.073 21.504 21.504 22.935 25.797 28.661 28.661 33.434 33.434 38.207 38.207
10.371 10.852 11.333 11.813 12.294 12.774 13.254 14.213 15.172 16.130 17.566 18.045 19.959 19.959 20.916 22.351 22.351 23.786 26.654 29.522 29.522 34.300 34.300 39.078 39.078
10.065 10.541 11.016 11.492 11.969 12.444 13.397 14.351 15.303 16.734 17.211 19.119 19.119 20.073 21.504 21.504 22.935 25.797 28.661 28.661 33.434 33.434 38.207 38.207
10.115 10.617 11.070 11.569 12.522 13.476 14.428 15.842 16.336 18.244 18.244 19.198 20.615 20.615 22.060 24.922 27.786 27.786 32.559 32.559 37.332 37.332
7 / 8 7 / 8 7 / 8 7 / 8
1 1 / 16 1 1 / 16 1 1 / 16 1 1 / 16
102.0 100.0 111.0 138.0 179.0 180.0 148.0 167.0 291.0 305.0 2 2 2 3.156 0.875 0.924 1.063 5.750 38.0 3.156 0.875 0.924 1.063 5.750 43.3 3.156 0.875 0.924 1.063 5.750 49.4 5.156 1.938 0.924 1.063 5.750 68.0 5.156 1.938 0.924 2.000 5.750 72.0 5.156 1.938 0.924 2.000 5.750 82.0 4.750 1.063 0.924 2.375 6.750 83.0 4.750 1.063 0.924 2.375 6.750 90.0 5.156 1.938 0.924 2.000 5.750 102.0 4.750 1.063 0.924 2.375 6.750 100.0 4.750 1.063 0.924 2.375 6.750 111.0 4.750 1.063 0.924 2.375 6.750 138.0 5.156 1.938 0.924 2.000 5.750 179.0 4.750 1.063 0.924 2.375 6.750 180.0 5.156 1.938 0.924 2.000 5.750 148.0 7.125 2.938 0.924 2.875 6.750 167.0 5.156 1.938 0.924 2.000 5.750 291.0 7.125 2.938 0.924 2.875 6.750 305.0 2 3 / 8 2 3 / 8 2 2 3 / 8 2 3 / 8 2 3 / 8 2 2 3 / 8 2 2 7 / 8 2 2 7 / 8
1 15 / 16 1 15 / 16 1 15 / 16 1 1 / 16 1 1 / 16 1 15 / 16 1 1 / 16 1 1 / 16 1 1 / 16 1 15 / 16 1 1 / 16 1 15 / 16 2 15 / 16 1 15 / 16 2 15 / 16
3 5 / 16 3 5 / 16 4 3 5 / 16 3 5 / 16 3 5 / 16 4 3 5 / 16 4 5 11 / 16 4 5 11 / 16 5 6 5 6 5 6 5 6
80
6
Construction may not be exactly as shown. Solid or welded construction for sprockets may be substituted. Minor envelope variations may occur. Other bushing sizes and mounting directions available. Specify bushing size and mounting direction (hub or plate side) when ordering. Contruction may not be exactly as shown. Solid or welded construction for sprockets may be substituted. Minor envelope variations may occur. Other bushing sizes and mounting directions are available. Specify bushing size and mounting direction (hub or plate side) when ordering. For Split Taper Bushings see page 200.
Dimensional Data Single Strand Chain 120 Size 120 Pitch 1.500" Chain Inside Width 1.000" Roller Diameter 0.875" Nominal Tooth Width 0.924"
If the sprocket needed is not listed above, please contact Tsubaki for made-to-order
All Tsubaki stock sprockets have hardened teeth (Rockwell C35 minimum)
If the sprocket needed is not listed above, please contact Tsubaki for made- to-order custom sprockets.
All Tsubaki stock sprockets have hardened teeth (Rockwell C35 minimum).
TYPE B STYLE 4
STYLE 6 TYPE C
STYLE 5 TYPE B
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