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No. 40, B Style, .750" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter

N/A 3.250 in

LTB

N/A 1.000 in

Style

N/A B

No. Teeth

N/A 31

Finished Bore Diameter

N/A 0.750 in
Max. Bore1 N/A 2.250 in

Weight

N/A 2.880 lb

Tooth Nominal Width

N/A 0.284 in

Hardened Teeth 

N/A Yes

Industry Equivalent

N/A 40BS31 3/4

UPC Code

N/A 097039325419

Chain Technical Data

Pitch

N/A 0.500 in

Chain Size

N/A 40

Sprocket Diameters

Outside Diameter

N/A 5.220 in

Pitch Diameter

N/A 4.942 in

Caliper Diameter

N/A 4.623 in
  • 1 Dimensions shown allow for standard keyway with set screw at 90°.