No. 60, B Style, 1.250" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter

4.000 in

LTB

1.250 in

Style

B

No. Teeth

21

Finished Bore Diameter

1.250 in
Max. Bore1 2.750 in

Weight

4.400 lb

Tooth Nominal Width

0.459 in

Hardened Teeth 

Yes

Industry Equivalent

60BS21 1 1/4

UPC Code

097039332233

Chain Technical Data

Pitch

0.750 in

Chain Size

60

Sprocket Diameters

Outside Diameter

5.430 in

Pitch Diameter

5.033 in

Caliper Diameter

4.549 in
  • 1 Dimensions shown allow for standard keyway with set screw at 90°.