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
50B28 N/A 0.750 in N/A B N/A 50 N/A 28 N/A 2.000 in N/A 2.040 lb
50B29 N/A 0.750 in N/A B N/A 50 N/A 29 N/A 2.000 in N/A 2.360 lb
50B30 N/A 0.750 in N/A B N/A 50 N/A 30 N/A 2.250 in N/A 2.540 lb
50B31 N/A 0.750 in N/A B N/A 50 N/A 31 N/A 2.250 in N/A 2.800 lb
50B32 N/A 0.750 in N/A B N/A 50 N/A 32 N/A 2.250 in N/A 2.720 lb
50B33 N/A 0.750 in N/A B N/A 50 N/A 33 N/A 2.250 in N/A 3.140 lb
50B34 N/A 0.750 in N/A B N/A 50 N/A 34 N/A 2.250 in N/A 3.200 lb
50B35 N/A 0.750 in N/A B N/A 50 N/A 35 N/A 2.250 in N/A 3.340 lb
50B36 N/A 0.750 in N/A B N/A 50 N/A 36 N/A 2.250 in N/A 3.820 lb
50B37 N/A 0.750 in N/A B N/A 50 N/A 37 N/A 2.250 in N/A 3.980 lb
50B38 N/A 0.750 in N/A B N/A 50 N/A 38 N/A 2.250 in N/A 4.140 lb
50B39 N/A 0.750 in N/A B N/A 50 N/A 39 N/A 2.250 in N/A 4.420 lb
50B40 N/A 0.750 in N/A B N/A 50 N/A 40 N/A 2.250 in N/A 4.460 lb
50B41 N/A 0.750 in N/A B N/A 50 N/A 41 N/A 2.250 in N/A 4.850 lb
50B42 N/A 0.750 in N/A B N/A 50 N/A 42 N/A 2.250 in N/A 4.980 lb
50B43 N/A 0.750 in N/A B N/A 50 N/A 43 N/A 2.250 in N/A 5.240 lb
50B44 N/A 0.750 in N/A B N/A 50 N/A 44 N/A 2.250 in N/A 5.420 lb
50B45 N/A 0.750 in N/A B N/A 50 N/A 45 N/A 2.500 in N/A 5.920 lb
50B46 N/A 1.000 in N/A B N/A 50 N/A 46 N/A 2.500 in N/A 6.420 lb
50B47 N/A 1.000 in N/A B N/A 50 N/A 47 N/A 2.500 in N/A 6.500 lb
50B48 N/A 1.000 in N/A B N/A 50 N/A 48 N/A 2.500 in N/A 6.580 lb
50B49 N/A 1.000 in N/A B N/A 50 N/A 49 N/A 2.500 in N/A 7.060 lb
50B50 N/A 1.000 in N/A B N/A 50 N/A 50 N/A 2.500 in N/A 7.100 lb
50B51 N/A 1.000 in N/A B N/A 50 N/A 51 N/A 2.500 in N/A 7.320 lb
50B52 N/A 1.000 in N/A B N/A 50 N/A 52 N/A 2.500 in N/A 7.980 lb
Unit of Measure
1 2 3 4 5