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
RS41 Chain-2
Unit of Measure
1 

Item #

L1+L2

L1

L2

L

Min. Ultimate Strength ANSI Standard

Average Tensile Strength

Quantity
40RB N/A 0.717 in N/A 0.325 in N/A 0.392 in N/A 0.709 in N/A 3125 lb N/A 4290 lb
40CB N/A 0.717 in N/A 0.325 in N/A 0.392 in N/A 0.709 in N/A 3125 lb N/A 4290 lb
40-2RB N/A 1.283 in N/A 0.608 in N/A 0.675 in N/A 1.319 in N/A 6250 lb N/A 8580 lb
40-2CB N/A 1.283 in N/A 0.608 in N/A 0.675 in N/A 1.319 in N/A 6250 lb N/A 8580 lb
40-3RB N/A 1.843 in N/A 0.892 in N/A 0.951 in N/A 1.886 in N/A 9375 lb N/A 12870 lb
40-3CB N/A 1.843 in N/A 0.892 in N/A 0.951 in N/A 1.886 in N/A 9375 lb N/A 12870 lb
40-4RB N/A 2.409 in N/A 1.177 in N/A 1.232 in N/A 2.453 in N/A 12500 lb N/A 17160 lb
40-4CB N/A 2.409 in N/A 1.177 in N/A 1.232 in N/A 2.453 in N/A 12500 lb N/A 17160 lb
40-5RB N/A 2.980 in N/A 1.461 in N/A 1.519 in N/A 3.024 in N/A 15625 lb N/A 21450 lb
40-5CB N/A 2.980 in N/A 1.461 in N/A 1.519 in N/A 3.024 in N/A 15625 lb N/A 21450 lb
40-6RB N/A 3.547 in N/A 1.744 in N/A 1.803 in N/A 3.591 in N/A 18750 lb N/A 25740 lb
40-6CB N/A 3.547 in N/A 1.744 in N/A 1.803 in N/A 3.591 in N/A 18750 lb N/A 25740 lb
Unit of Measure
1