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No. 40, B Style, 1.00" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter

3.500 in

LTB

1.125 in

Style

B

No. Teeth

58

Finished Bore Diameter

1.000 in
Max. Bore1 2.375 in

Weight

7.170 lb

Tooth Nominal Width

0.284 in

Hardened Teeth 

Yes

Industry Equivalent

40B58F-1

UPC Code

097039306364

Chain Technical Data

Pitch

0.500 in

Chain Size

40

Sprocket Diameters

Outside Diameter

9.520 in

Pitch Diameter

9.235 in

Caliper Diameter

8.924 in
  • 1 Dimensions shown allow for standard keyway with set screw at 90°.