No. 240 3 ” Pitch — Plain Bore
Dimensions are in inches unless otherwise indicated.
Type A
Sprocket Diameters
Type B
3 ” Pitch
Catalog Number 240A10 240A11 240A12 240A13 240A14 240A15 240A16 240A17 240A18 240A19 240A20 240A21 240A25 240A30 240A35 240A40 240A45 240A54 240A60
Plain Bore
Wt. Lbs.
Hub
Catalog Plain †Max.
Wt. Lbs.
No. Outside Pitch Caliper Teeth Diameter Diameter Diameter
Number
Bore
Bore Dia.
LTB
240B10 240B11 240B12 240B13 240B14 240B15 240B16 240B17 240B18 240B19 240B20 240B21 240B25
10 11 12 13 14 15 16 17 18 19 20 21 25 30 35 40 45 54 60
30.50 36.60 45.40 52.50 60.90 71.00 80.00 93.00
11.030 12.020 13.000 13.970 14.940 15.910 16.880 17.850 18.810 19.780 20.740 21.700 25.550 30.340 35.130 39.920 44.700 53.310 59.040
9.708 10.648 11.591 12.536 13.482 14.429 15.377 16.327 17.276 18.227 19.177 20.129 23.936 28.700 33.467 38.237 43.007 51.595 57.322
7.833 8.665 9.716
47.00 66.00 74.00 87.00 98.00
4¹⁄₄ 4³⁄₄ 4³⁄₄ 5³⁄₈ 5³⁄₈ 5³⁄₈ 5¹⁄₂ 5¹⁄₂ 5¹⁄₂ 5¹⁄₂ 5¹⁄₂ 5¹⁄₂ 5¹⁄₂
6¹⁄₄ 7 7 7¹⁄₂ 7¹⁄₂ 7¹⁄₂
3³⁄₈ 3¹¹⁄₁₆ 3¹¹⁄₁₆
1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈
1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈ 1³⁄₈
10.569 11.607 12.475 13.502 14.382 15.401 16.289 17.302 18.197 22.014 26.825 31.559 36.362 41.106 49.720 55.447
3⁷⁄₈ 3⁷⁄₈ 3⁷⁄₈ 4¹⁄₈ 4¹⁄₈ 4¹⁄₈ 4¹⁄₈ 4¹⁄₈ 4¹⁄₈ 4¹⁄₈
108.00 124.00 140.00 149.00 165.00 175.00 195.00 260.00
8 8 8 8 8 8 8
103.00 116.00 130.00 141.00 206.00 293.00 403.00 528.00 681.00 1012.00 1261.00
† Dimensions shown allow for standard keyway with set screw at 90° Hub diameter may vary to suit bore sizes SEE CURRENT DISCOUNT SHEET FOR ALTERATION CHARGES
CHAIN TECHNICAL DATA Size
240
3 ”
Pitch
1 ⁷⁄₈ ”
Inside Width Roller Diameter
1.875”
C-54
TYPE A
TYPE B
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