Pulley, ball bearing and belt transmitting device

Details Pulley, ball bearing and belt transmitting device Pulley, ball bearing and belt transmitting device

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 55/36 (2006.01) F16C 33/58 (2006.01) F16H 7/00 (2006.01)

Patent

CA 2184140

Means are provided for effectively restricting or preventing occurrence of abnormal noise under cold ambient. The means are durable, cost effective and also keep the function of a pulley. A ball bearing 2 of a single row type includes an outer ring 2a and balls 2c. The outer ring 2a and each ball 2c are contacted with each other at two points. An oil groove 5 is formed at a position adjacent to the contact positions P and Q on the raceway surface between the raceway surface 3a of the outer ring and the balls 2c. The ball bearing 2 is fitted within or made integral with the inner diameter of a pulley body 1 having a peripheral surface 1e to be contacted with a belt.

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