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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RS25 through RS240 Chains
RS50 Chain-2
Unit of Measure
1 

Item #

L1+L2

L1

L2

L

Min. Ultimate Strength ANSI Standard

Average Tensile Strength

Quantity
50RB N/A 0.878 in N/A 0.406 in N/A 0.472 in N/A 0.886 in N/A 4880 lb N/A 7050 lb
50CB N/A 0.878 in N/A 0.406 in N/A 0.472 in N/A 0.886 in N/A 4880 lb N/A 7050 lb
50-2RB N/A 1.595 in N/A 0.762 in N/A 0.833 in N/A 1.646 in N/A 9760 lb N/A 14100 lb
50-2CB N/A 1.595 in N/A 0.762 in N/A 0.833 in N/A 1.646 in N/A 9760 lb N/A 14100 lb
50-3RB N/A 2.307 in N/A 1.118 in N/A 1.189 in N/A 2.358 in N/A 14640 lb N/A 21150 lb
50-3CB N/A 2.307 in N/A 1.118 in N/A 1.189 in N/A 2.358 in N/A 14640 lb N/A 21150 lb
50-4RB N/A 3.020 in N/A 1.475 in N/A 1.545 in N/A 3.075 in N/A 19520 lb N/A 28200 lb
50-4CB N/A 3.020 in N/A 1.475 in N/A 1.545 in N/A 3.075 in N/A 19520 lb N/A 28200 lb
50-5RB N/A 3.732 in N/A 1.831 in N/A 1.901 in N/A 3.787 in N/A 24400 lb N/A 35250 lb
50-5CB N/A 3.732 in N/A 1.831 in N/A 1.901 in N/A 3.787 in N/A 24400 lb N/A 35250 lb
50-6RB N/A 4.449 in N/A 2.189 in N/A 2.260 in N/A 4.504 in N/A 29280 lb N/A 42300 lb
50-6CB N/A 4.449 in N/A 2.189 in N/A 2.260 in N/A 4.504 in N/A 29280 lb N/A 42300 lb
Unit of Measure
1