Tsubaki BB20 Cam Clutch 20mm I.D., 47mm O.D., 14mm Race Width

Inside Diameter = 20mm
Outside Diameter = 47mm
Torque = 61Nm
Race Width = 14mm
Series = BB
Over-running Speed = 1600 (Outer Race) RPM, 3000 (Inner Race) RPM
Dynamic Load Rating = 8500N
Static Load Rating = 4900N
Keyway = None

The BB Series functions both as an one-way clutch and a bearing within its compact body, allowing you to use your space more effectively. Capable of transmitting larger torque than shell design roller clutches by arranging the number of cams between the inner and outer races.Compact Design Easy Installation Increased Torque Capacity Available with an oil seal