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
40A37 N/A 0.594 in N/A A N/A 40 N/A 37 N/A N/A 1.920 lb
40A38 N/A 0.594 in N/A A N/A 40 N/A 38 N/A N/A 2.000 lb
40A39 N/A 0.594 in N/A A N/A 40 N/A 39 N/A N/A 2.020 lb
40A40 N/A 0.719 in N/A A N/A 40 N/A 40 N/A N/A 2.220 lb
40A41 N/A 0.719 in N/A A N/A 40 N/A 41 N/A N/A 2.420 lb
40A42 N/A 0.719 in N/A A N/A 40 N/A 42 N/A N/A 2.500 lb
40A43 N/A 0.719 in N/A A N/A 40 N/A 43 N/A N/A 2.800 lb
40A44 N/A 0.719 in N/A A N/A 40 N/A 44 N/A N/A 2.850 lb
40A45 N/A 0.719 in N/A A N/A 40 N/A 45 N/A N/A 3.150 lb
40A46 N/A 0.719 in N/A A N/A 40 N/A 46 N/A N/A 3.250 lb
40A47 N/A 0.719 in N/A A N/A 40 N/A 47 N/A N/A 3.320 lb
40A48 N/A 0.719 in N/A A N/A 40 N/A 48 N/A N/A 3.220 lb
40A49 N/A 0.719 in N/A A N/A 40 N/A 49 N/A N/A 3.440 lb
40A50 N/A 0.719 in N/A A N/A 40 N/A 50 N/A N/A 3.620 lb
40A51 N/A 0.719 in N/A A N/A 40 N/A 51 N/A N/A 3.940 lb
40A52 N/A 0.719 in N/A A N/A 40 N/A 52 N/A N/A 4.080 lb
40A53 N/A 0.719 in N/A A N/A 40 N/A 53 N/A N/A 4.040 lb
40A54 N/A 0.719 in N/A A N/A 40 N/A 54 N/A N/A 4.440 lb
40A55 N/A 0.719 in N/A A N/A 40 N/A 55 N/A N/A 4.540 lb
40A56 N/A 0.719 in N/A A N/A 40 N/A 56 N/A N/A 4.840 lb
40A57 N/A 0.719 in N/A A N/A 40 N/A 57 N/A N/A 5.000 lb
40A58 N/A 0.719 in N/A A N/A 40 N/A 58 N/A N/A 5.120 lb
40A59 N/A 0.719 in N/A A N/A 40 N/A 59 N/A N/A 5.300 lb
40A60 N/A 0.719 in N/A A N/A 40 N/A 60 N/A N/A 5.480 lb
40A70 N/A 0.719 in N/A A N/A 40 N/A 70 N/A N/A 7.240 lb
Unit of Measure
1 2 3 4 5