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No. 40, B Style, .625" plain bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Stock Bore Diameter

 N/A 0.625 in

Hub Diameter

 N/A 3.250 in

LTB

 N/A 1.000 in

Style

 N/A B

No. Teeth

 N/A 31

Outside Diameter

 N/A 5.220 in

Pitch Diameter

 N/A 4.942 in

Caliper Diameter

 N/A 4.623 in
Max. Bore1 N/A 2.250 in

Weight

 N/A 3.100 lb

Tooth Nominal Width

 N/A 0.284 in

Hardened Teeth 

 N/A Yes

UPC Code

 N/A 097039314901

Chain Technical Data

Pitch

 N/A 0.500 in

Chain Size

 N/A 40
  • 1 Dimensions shown allow for standard keyway with set screw at 90°