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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U.S. Tsubaki BL Series Leaf Chains are available in a wide variety of options. Find your exact specifications below.

All dimensions are nominal values and for reference only
BL Series Leaf Chain
BL Series Chains-2
Unit of Measure
1 2 

Item #

Lacing

P - Pitch

Min. Tensile Strength

ASME/ANSI Min. Tensile Strength

D

L

Quantity
BL422 N/A 2x2 N/A 0.500 in N/A 5300 lb N/A 5000 lb N/A 0.200 in N/A 0.427 in
BL423 N/A 2x3 N/A 0.500 in N/A 5300 lb N/A 5000 lb N/A 0.200 in N/A 0.510 in
BL434 N/A 3x4 N/A 0.500 in N/A 7900 lb N/A 7500 lb N/A 0.200 in N/A 0.677 in
BL444 N/A 4x4 N/A 0.500 in N/A 10600 lb N/A 10000 lb N/A 0.200 in N/A 0.764 in
BL446 N/A 4x6 N/A 0.500 in N/A 10600 lb N/A 10000 lb N/A 0.200 in N/A 0.929 in
BL466 N/A 6x6 N/A 0.500 in N/A 15600 lb N/A 15000 lb N/A 0.200 in N/A 1.094 in
BL522 N/A 2x2 N/A 0.625 in N/A 8800 lb N/A 7500 lb N/A 0.234 in N/A 0.498 in
BL523 N/A 2x3 N/A 0.625 in N/A 8800 lb N/A 7500 lb N/A 0.234 in N/A 0.594 in
BL534 N/A 3x4 N/A 0.625 in N/A 13200 lb N/A 11000 lb N/A 0.234 in N/A 0.791 in
BL544 N/A 4x4 N/A 0.625 in N/A 17600 lb N/A 15000 lb N/A 0.234 in N/A 0.888 in
BL546 N/A 4x6 N/A 0.625 in N/A 17600 lb N/A 15000 lb N/A 0.234 in N/A 1.083 in
BL566 N/A 6x6 N/A 0.625 in N/A 26400 lb N/A 22500 lb N/A 0.234 in N/A 1.278 in
BL622 N/A 2x2 N/A 0.750 in N/A 14300 lb N/A 11000 lb N/A 0.312 in N/A 0.645 in
BL623 N/A 2x3 N/A 0.750 in N/A 14300 lb N/A 11000 lb N/A 0.312 in N/A 0.778 in
BL634 N/A 3x4 N/A 0.750 in N/A 21500 lb N/A 17000 lb N/A 0.312 in N/A 1.041 in
BL644 N/A 4x4 N/A 0.750 in N/A 28500 lb N/A 22000 lb N/A 0.312 in N/A 1.173 in
BL646 N/A 4x6 N/A 0.750 in N/A 28500 lb N/A 22000 lb N/A 0.312 in N/A 1.437 in
BL666 N/A 6x6 N/A 0.750 in N/A 43000 lb N/A 33000 lb N/A 0.312 in N/A 1.701 in
BL822 N/A 2x2 N/A 1.000 in N/A 23100 lb N/A 19000 lb N/A 0.375 in N/A 0.794 in
BL823 N/A 2x3 N/A 1.000 in N/A 23100 lb N/A 19000 lb N/A 0.375 in N/A 0.953 in
BL834 N/A 3x4 N/A 1.000 in N/A 34800 lb N/A 29000 lb N/A 0.375 in N/A 1.281 in
BL844 N/A 4x4 N/A 1.000 in N/A 46200 lb N/A 38000 lb N/A 0.375 in N/A 1.453 in
BL846 N/A 4x6 N/A 1.000 in N/A 46200 lb N/A 38000 lb N/A 0.375 in N/A 1.772 in
BL866 N/A 6x6 N/A 1.000 in N/A 69500 lb N/A 57000 lb N/A 0.375 in N/A 2.098 in
BL1022 N/A 2x2 N/A 1.250 in N/A 31700 lb N/A 26000 lb N/A 0.437 in N/A 0.944 in
Unit of Measure
1 2