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Multi-Strand, No. 40, B Style, .500" plain bore
Has recessed groove in hub for chain clearance

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

Specifications

Stock Bore

 N/A 0.500 in

Hub Diameter

 N/A 1.563 in

LTB

 N/A 2.125 in

Style

 N/A B

No. Teeth

 N/A 12

Outside Diameter

 N/A 2.170 in

Pitch Diameter

 N/A 1.932 in

Caliper Diameter

 N/A 1.620 in
Max. Bore1 N/A 0.938 in

Weight

 N/A 1.100 lb

Tooth Nominal Width

 N/A 0.275 in

Hardened Teeth 

 N/A Yes

UPC Code

 N/A 097039367327

Chain Technical Data

Pitch

 N/A 0.500 in

Chain Size

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