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

Specifications

Hub Diameter

N/A 3.500 in

LTB

N/A 1.125 in

Style

N/A B

No. Teeth

N/A 45

Finished Bore Diameter

N/A 1.000 in
Max. Bore1 N/A 2.375 in

Weight

N/A 5.060 lb

Tooth Nominal Width

N/A 0.284 in

Hardened Teeth 

N/A Yes

Industry Equivalent

N/A 40BS45 1

UPC Code

N/A 097039326249

Chain Technical Data

Pitch

N/A 0.500 in

Chain Size

N/A 40

Sprocket Diameters

Outside Diameter

N/A 7.450 in

Pitch Diameter

N/A 7.168 in

Caliper Diameter

N/A 6.851 in
  • 1 Dimensions shown allow for standard keyway with set screw at 90°.