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No. 40, B Style, .500" plain bore
Has recessed groove in hub for chain clearance
Consult U.S. Tsubaki for availability of No. 41 Plain Bore Sprockets.

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

Specifications

Bore Diameter_SYN

N/A 0.500 in

Hub Diameter_SYN

N/A 1.250 in

LTB

N/A 0.875 in

Sprocket Style_SYN

N/A B

Number of Teeth_SYN

N/A 10

Outside Diameter_SYN

N/A 1.840 in

Pitch Diameter_SYN

N/A 1.618 in

Caliper Diameter

N/A 1.305 in
Max. Bore1 N/A 0.750 in

Weight_SYN

N/A 0.270 lb

Tooth Width_SYN

N/A 0.284 in

Hardened Teeth 

N/A Yes

UPC Code

N/A 097039314697

Chain Technical Data

Chain Pitch_SYN

N/A 0.500 in

Chain Number_SYN

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