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Multi-Strand, No. 40, B Style, .625" plain bore

All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Bore Diameter_SYN

 N/A 0.625 in

Hub Diameter_SYN

 N/A 2.750 in

Length Through Bore_SYN

 N/A 2.250 in

Sprocket Style_SYN

 N/A B

Number of Teeth_SYN

 N/A 21

Outside Diameter_SYN

 N/A 3.620 in

Pitch Diameter_SYN

 N/A 3.355 in

Caliper Diameter

 N/A 3.033 in
Max. Bore1 N/A 1.875 in

Weight_SYN

 N/A 4.060 lb

Tooth Width_SYN

 N/A 0.275 in

Hardened Teeth 

 N/A Yes

Industry Equivalent

 N/A E40B21H

UPC Code

 N/A 097039367419

Chain Technical Data

Chain Pitch_SYN

 N/A 0.500 in

Chain Number_SYN

 N/A 40-3
  • 1 Dimensions shown allow for strandard keyway with set screw at 90°