U.S. Tsubaki Power Transmission, LLC
U.S. Tsubaki Holdings, Inc.
Corporate Headquarters
301 E. Marquardt Dr.
Wheeling, IL 60090 USA

Toll Free: 800.323.7790
Phone: 847.459.9500
Fax: 847.459.9515
Email: sales@ustsubaki.com
Website: www.ustsubaki.com
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No. 50, B Style, 1.250" Finished Bore

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

Specifications

Hub Diameter

 N/A 3.000 in

LTB

 N/A 1.250 in

Style

 N/A B

No. Teeth

 N/A 28

Finished Bore Diameter

 N/A 1.250 in

Max. Bore

 N/A 2.000 in

Weight

 N/A 3.600 lb

Tooth Nominal Width

 N/A 0.343 in

Hardened Teeth 

 N/A Yes

Industry Equivalent

 N/A 50BS28 1 1/4

UPC Code

 N/A 097039328694

Chain Technical Data

Pitch

 N/A 0.625 in

Chain Size

 N/A 50

Sprocket Diameters

Outside Diameter

 N/A 5.920 in

Pitch Sprocket Diameter

 N/A 5.582 in

Caliper Diameter

 N/A 5.182 in