No. 80 1 ” Pitch — Multiple Strand U.S. TSUBAKI STOCK SPROCKETS
Dimensions are in inches unless otherwise indicated.
Basic Sprocket Dimensions
80-2 Double Strand
80-3 Triple Strand
No. Outside Plain Teeth Diameter Bore
Catalog Number D80B10 D80B11 D80B12 D80B13 D80B14 D80B15 D80B16 D80B17 D80B18 D80B19 D80B20 D80B21 D80B22 D80B23 D80B24 D80B25 D80B30 D80B36
Hub Dia.
†Max. Bore 1³⁄₈ 1⁹⁄₁₆ 1¹³⁄₁₆ 2
Wt. Lbs.
Catalog Number
Hub Dia.
†Max.
Wt. Lbs.
LTB 2³⁄₄ 2¹⁄₂ 2¹⁄₂ 2¹⁄₂ 2¹⁄₂ 2¹⁄₂ 2³⁄₄ 2³⁄₄ 2³⁄₄ 2³⁄₄ 2³⁄₄ 2³⁄₄ 2³⁄₄ 2³⁄₄ 2³⁄₄ 2³⁄₄ 3 3¹⁄₈
LTB Bore
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 30 36
3.678 4.006 4.332 4.657 4.981 5.304 5.627 5.949 6.271 6.593 6.914 7.235 7.560 7.880 8.196 8.520
3.50 3.90 4.90 6.10 7.30 8.70
1 1 1 1 1 1 1 1 1 1 1 1 1 1
2⁹⁄₁₆ 2³⁄₈ 2¹¹⁄₁₆ 3¹⁄₃₂ 3⁵⁄₁₆ 3⁵⁄₈ 4 4⁵⁄₁₆ 4⁵⁄₈ 4¹⁵⁄₁₆
T80B11 T80B12 T80B13 T80B14 T80B15 T80B16 T80B17 T80B18 T80B19 T80B20 T80B21 T80B22 T80B23 T80B24 T80B25 T80B30
5.70 7.20 8.90
2³⁄₈ 2¹¹⁄₁₆ 3¹⁄₃₂ 3⁵⁄₁₆ 3⁵⁄₈ 4 4⁵⁄₁₆ 4⁵⁄₈ 4¹⁵⁄₁₆
3⁵⁄₈ 3⁵⁄₈ 3⁵⁄₈ 3⁵⁄₈ 3⁵⁄₈ 3⁷⁄₈ 3⁷⁄₈ 3⁷⁄₈ 3⁷⁄₈ 3⁷⁄₈ 3⁷⁄₈ 3⁷⁄₈ 3⁷⁄₈ 3⁷⁄₈ 4¹⁄₄ 4¹⁄₄
1⁹⁄₁₆ 1¹³⁄₁₆ 2
10.70 12.70 15.80 18.30 20.90 23.80 26.20 28.60 31.00 34.00 34.60 41.00 52.20
2¹⁄₄ 2¹⁄₂ 2³⁄₄ 2⁷⁄₈ 3¹⁄₈
2¹⁄₄ 2¹⁄₂ 2³⁄₄ 2⁷⁄₈ 3¹⁄₈
11.10 12.80 14.60 16.60 18.20 19.60 21.00 22.80 24.70 28.30 39.50 55.10
3⁵⁄₁₆ 3⁵⁄₁₆ 3⁵⁄₁₆ 3⁵⁄₁₆ 3⁵⁄₁₆ 3⁵⁄₁₆
3⁵⁄₁₆ 3⁵⁄₁₆ 3⁵⁄₁₆ 3⁵⁄₁₆ 3⁵⁄₁₆ 3⁵⁄₁₆ 3⁵⁄₁₆
5 5 5 5 5
5 5 5 5 5 5
¹⁵⁄₁₆ ¹⁵⁄₁₆ ¹⁵⁄₁₆ 1⁷⁄₁₆
5¹⁄₂ 5¹⁄₂
3³⁄₄ 3³⁄₄
10.114 12.030
5¹⁄₂ 5¹⁄₂
3³⁄₄ 3³⁄₄
SEE CURRENT DISCOUNT SHEET FOR ALTERATION CHARGES Has recessed groove in hub for chain clearance † Dimensions shown allow for standard keyway with set screw at 90°
CHAIN TECHNICAL DATA Size
80-2, 80-3
1 ”
Pitch
⁵⁄₈ ”
Inside Width Roller Diameter
.625”
C-33
TYPE B
TYPE B
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