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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ANSI SProckets
No. 50 - 5/8" Pitch - Plain Bore
Unit of Measure
1 2 3 4 5 

Item #

Stock Bore Diameter

Style

Chain Size

No. Teeth

Max. Bore

Weight

Quantity
50B53 N/A 1.000 in N/A B N/A 50 N/A 53 N/A 2.500 in N/A 8.080 lb
50B54 N/A 1.000 in N/A B N/A 50 N/A 54 N/A 2.500 in N/A 8.300 lb
50B55 N/A 1.000 in N/A B N/A 50 N/A 55 N/A 2.500 in N/A 8.560 lb
50B56 N/A 1.000 in N/A B N/A 50 N/A 56 N/A 2.500 in N/A 8.900 lb
50B57 N/A 1.000 in N/A B N/A 50 N/A 57 N/A 2.500 in N/A 9.380 lb
50B58 N/A 1.000 in N/A B N/A 50 N/A 58 N/A 2.500 in N/A 10.300 lb
50B59 N/A 1.000 in N/A B N/A 50 N/A 59 N/A 2.500 in N/A 10.500 lb
50B60 N/A 1.000 in N/A B N/A 50 N/A 60 N/A 2.500 in N/A 10.800 lb
50B70 N/A 1.000 in N/A B N/A 50 N/A 70 N/A 2.500 in N/A 14.000 lb
50B72 N/A 1.000 in N/A B N/A 50 N/A 72 N/A 2.500 in N/A 15.240 lb
50B80 N/A 1.000 in N/A B N/A 50 N/A 80 N/A 2.750 in N/A 21.000 lb
Unit of Measure
1 2 3 4 5