Tsubaki of Canada
Head Office & Manufacturing Plant
1630 Drew Road
Mississauga, Ontario L5S 1J6

Toll Free: (905) 676-0400, (800) 263-7088
After Hours Number: (905) 601-3043
Fax: (905) 676-0904
Email: insidesales@tsubaki.ca
Website: www.tsubaki.ca
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638 Dim. is + .005; 750 Dim. is + .005-.000.
Idler Ball Bearing
Ball Bearing Idler Sprocket Hardened Teeth
Unit of Measure
1 

Item #

No. Teeth

Chain Size

O.D.

B

L

W

35BB20H N/A 20 N/A 35 N/A 2.600 in N/A 0.638 in N/A 0.720 in N/A 0.168 in
40BB17H N/A 17 N/A 40 N/A 2.970 in N/A 0.638 in N/A 0.720 in N/A 0.284 in
40BB18H N/A 18 N/A 40 N/A 3.140 in N/A 0.638 in N/A 0.720 in N/A 0.284 in
50BB15H N/A 15 N/A 50 N/A 3.320 in N/A 0.638 in N/A 0.720 in N/A 0.343 in
50BB17H N/A 17 N/A 50 N/A 3.720 in N/A 0.638 in N/A 0.720 in N/A 0.343 in
60BB13H N/A 13 N/A 60 N/A 3.510 in N/A 0.638 in N/A 0.720 in N/A 0.459 in
60BB15H N/A 15 N/A 60 N/A 3.980 in N/A 0.638 in N/A 0.720 in N/A 0.459 in
80BB12H N/A 12 N/A 80 N/A 4.360 in N/A 0.750 in N/A 0.610 in N/A 0.575 in
Unit of Measure
1