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. 40 - 1/2" Pitch - Plain Bore Sprockets-2
Unit of Measure
1 2 3 4 5 

Item #

Stock Bore Diameter

Style

Chain Size

No. Teeth

Max. Bore

Weight

Quantity
40B28 N/A 0.625 in N/A B N/A 40 N/A 28 N/A 2.250 in N/A 2.730 lb
40B29 N/A 0.625 in N/A B N/A 40 N/A 29 N/A 2.250 in N/A 2.800 lb
40B30 N/A 0.625 in N/A B N/A 40 N/A 30 N/A 2.250 in N/A 2.980 lb
40B31 N/A 0.625 in N/A B N/A 40 N/A 31 N/A 2.250 in N/A 3.100 lb
40B32 N/A 0.625 in N/A B N/A 40 N/A 32 N/A 2.250 in N/A 3.160 lb
40B33 N/A 0.625 in N/A B N/A 40 N/A 33 N/A 2.250 in N/A 3.220 lb
40B34 N/A 0.625 in N/A B N/A 40 N/A 34 N/A 2.250 in N/A 3.300 lb
40B35 N/A 0.625 in N/A B N/A 40 N/A 35 N/A 2.250 in N/A 3.460 lb
40B36 N/A 0.625 in N/A B N/A 40 N/A 36 N/A 2.250 in N/A 3.580 lb
40B37 N/A 0.625 in N/A B N/A 40 N/A 37 N/A 2.250 in N/A 3.620 lb
40B38 N/A 0.625 in N/A B N/A 40 N/A 38 N/A 2.250 in N/A 3.700 lb
40B39 N/A 0.625 in N/A B N/A 40 N/A 39 N/A 2.250 in N/A 3.760 lb
40B40 N/A 0.750 in N/A B N/A 40 N/A 40 N/A 2.375 in N/A 4.690 lb
40B41 N/A 0.750 in N/A B N/A 40 N/A 41 N/A 2.375 in N/A 4.760 lb
40B42 N/A 0.750 in N/A B N/A 40 N/A 42 N/A 2.375 in N/A 4.820 lb
40B43 N/A 0.750 in N/A B N/A 40 N/A 43 N/A 2.375 in N/A 5.120 lb
40B44 N/A 0.750 in N/A B N/A 40 N/A 44 N/A 2.375 in N/A 5.150 lb
40B45 N/A 0.750 in N/A B N/A 40 N/A 45 N/A 2.375 in N/A 5.300 lb
40B46 N/A 0.750 in N/A B N/A 40 N/A 46 N/A 2.375 in N/A 5.570 lb
40B47 N/A 0.750 in N/A B N/A 40 N/A 47 N/A 2.375 in N/A 5.440 lb
40B48 N/A 0.750 in N/A B N/A 40 N/A 48 N/A 2.375 in N/A 5.840 lb
40B49 N/A 0.750 in N/A B N/A 40 N/A 49 N/A 2.375 in N/A 5.900 lb
40B50 N/A 0.750 in N/A B N/A 40 N/A 50 N/A 2.375 in N/A 5.950 lb
40B51 N/A 0.750 in N/A B N/A 40 N/A 51 N/A 2.375 in N/A 6.080 lb
40B52 N/A 0.750 in N/A B N/A 40 N/A 52 N/A 2.375 in N/A 6.280 lb
Unit of Measure
1 2 3 4 5