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
50A37 N/A 0.719 in N/A A N/A 50 N/A 37 N/A N/A 3.980 lb
50A38 N/A 0.719 in N/A A N/A 50 N/A 38 N/A N/A 4.140 lb
50A39 N/A 0.719 in N/A A N/A 50 N/A 39 N/A N/A 4.420 lb
50A40 N/A 0.719 in N/A A N/A 50 N/A 40 N/A N/A 4.460 lb
50A41 N/A 0.719 in N/A A N/A 50 N/A 41 N/A N/A 4.850 lb
50A42 N/A 0.719 in N/A A N/A 50 N/A 42 N/A N/A 4.980 lb
50A43 N/A 0.719 in N/A A N/A 50 N/A 43 N/A N/A 5.240 lb
50A44 N/A 0.719 in N/A A N/A 50 N/A 44 N/A N/A 5.420 lb
50A45 N/A 0.719 in N/A A N/A 50 N/A 45 N/A N/A 5.920 lb
50A46 N/A 0.938 in N/A A N/A 50 N/A 46 N/A N/A 6.420 lb
50A47 N/A 0.938 in N/A A N/A 50 N/A 47 N/A N/A 6.500 lb
50A48 N/A 0.938 in N/A A N/A 50 N/A 48 N/A N/A 6.580 lb
50A49 N/A 0.938 in N/A A N/A 50 N/A 49 N/A N/A 7.060 lb
50A50 N/A 0.938 in N/A A N/A 50 N/A 50 N/A N/A 7.100 lb
50A51 N/A 0.938 in N/A A N/A 50 N/A 51 N/A N/A 7.320 lb
50A52 N/A 0.938 in N/A A N/A 50 N/A 52 N/A N/A 7.980 lb
50A53 N/A 0.938 in N/A A N/A 50 N/A 53 N/A N/A 8.080 lb
50A54 N/A 0.938 in N/A A N/A 50 N/A 54 N/A N/A 8.300 lb
50A55 N/A 0.938 in N/A A N/A 50 N/A 55 N/A N/A 8.560 lb
50A56 N/A 0.938 in N/A A N/A 50 N/A 56 N/A N/A 8.900 lb
50A57 N/A 0.938 in N/A A N/A 50 N/A 57 N/A N/A 9.380 lb
50A58 N/A 0.938 in N/A A N/A 50 N/A 58 N/A N/A 10.300 lb
50A59 N/A 0.938 in N/A A N/A 50 N/A 59 N/A N/A 10.500 lb
50A60 N/A 0.938 in N/A A N/A 50 N/A 60 N/A N/A 10.800 lb
50A70 N/A 0.938 in N/A A N/A 50 N/A 70 N/A N/A 14.000 lb
Unit of Measure
1 2 3 4 5