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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Style "S" has keyway on tooth center line.
Hub diameter may vary to suit bore sizes.
Finished Bore Spkt
Finished Bore Sprockets-2
Unit of Measure
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Item #

Style

Chain Size

No. Teeth

Finished Bore Diameter

Max. Bore

Weight

Industry Equivalent

Quantity
41B40F-1 N/A B N/A 41 N/A 40 N/A 1.000 in N/A 1.000 in N/A 3.680 lb N/A 41BS40 1
41B40F-1B N/A B N/A 41 N/A 40 N/A 1.125 in N/A 1.125 in N/A 3.680 lb N/A 41BS40 1 1/8
41B40F-1C N/A B N/A 41 N/A 40 N/A 1.188 in N/A 1.188 in N/A 3.680 lb N/A 41BS40 1 3/16
41B40F-1D N/A B N/A 41 N/A 40 N/A 1.250 in N/A 1.250 in N/A 3.680 lb N/A 41BS40 1 1/4
41B40F-1F N/A B N/A 41 N/A 40 N/A 1.375 in N/A 1.375 in N/A 3.680 lb N/A 41BS40 1 3/8
41B40F-1G N/A B N/A 41 N/A 40 N/A 1.438 in N/A 1.438 in N/A 3.680 lb N/A 41BS40 1 7/16
41B40F-1H N/A B N/A 41 N/A 40 N/A 1.500 in N/A 1.500 in N/A 3.680 lb N/A 41BS40 1 1/2
41B42FL N/A B N/A 41 N/A 42 N/A 0.750 in N/A 0.750 in N/A 3.820 lb N/A
41B42F-1 N/A B N/A 41 N/A 42 N/A 1.000 in N/A 1.000 in N/A 3.820 lb N/A
41B42F-1B N/A B N/A 41 N/A 42 N/A 1.125 in N/A 1.125 in N/A 3.820 lb N/A
41B42F-1C N/A B N/A 41 N/A 42 N/A 1.188 in N/A 1.188 in N/A 3.820 lb N/A
41B42F-1D N/A B N/A 41 N/A 42 N/A 1.250 in N/A 1.250 in N/A 3.820 lb N/A
41B42F-1F N/A B N/A 41 N/A 42 N/A 1.375 in N/A 1.375 in N/A 3.820 lb N/A
41B42F-1G N/A B N/A 41 N/A 42 N/A 1.438 in N/A 1.438 in N/A 3.820 lb N/A
41B42F-1H N/A B N/A 41 N/A 42 N/A 1.500 in N/A 1.500 in N/A 3.820 lb N/A
41B45FL N/A B N/A 41 N/A 45 N/A 0.750 in N/A 0.750 in N/A 3.940 lb N/A 41BS45 3/4
41B45F-1 N/A B N/A 41 N/A 45 N/A 1.000 in N/A 1.000 in N/A 3.940 lb N/A 41BS45 1
41B45F-1B N/A B N/A 41 N/A 45 N/A 1.125 in N/A 1.125 in N/A 3.940 lb N/A 41BS45 1 1/8
41B45F-1C N/A B N/A 41 N/A 45 N/A 1.188 in N/A 1.188 in N/A 3.940 lb N/A 41BS45 1 3/16
41B45F-1D N/A B N/A 41 N/A 45 N/A 1.250 in N/A 1.250 in N/A 3.940 lb N/A 41BS45 1 1/4
41B45F-1F N/A B N/A 41 N/A 45 N/A 1.375 in N/A 1.375 in N/A 3.940 lb N/A 41BS45 1 3/8
41B45F-1G N/A B N/A 41 N/A 45 N/A 1.438 in N/A 1.438 in N/A 3.940 lb N/A 41BS45 1 7/16
41B45F-1H N/A B N/A 41 N/A 45 N/A 1.500 in N/A 1.500 in N/A 3.940 lb N/A 41BS45 1 1/2
41B48FL N/A B N/A 41 N/A 48 N/A 0.750 in N/A 0.750 in N/A 4.680 lb N/A
41B48F-1 N/A B N/A 41 N/A 48 N/A 1.000 in N/A 1.000 in N/A 4.680 lb N/A
Unit of Measure
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