Roller bearing for belt-type stepless speed changer

Details Roller bearing for belt-type stepless speed changer Roller bearing for belt-type stepless speed changer

2004-03-19

2009-02-10

Ridley, Richard W (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C384S450000

Reexamination Certificate

active

07488113

ABSTRACT:
In a cylindrical roller bearing20for continuously variable belt and pulley transmissions which is used at rotational support portions of a continuously variable belt and pulley transmission and in which a plurality of cylindrical rollers23are rollably provided in a circumferential direction between an outer ring21and an inner ring22, a raceway surface23aof the cylindrical roller23is made to take the shape of a full crowning, and a radius curvature R of the full crowning is made to satisfy a relationship of 0.01≦L2/(Da×R)≦0.03 relative to a diameter Da and a roller length L of the cylindrical roller23.

REFERENCES:
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patent: 2001-124089 (2001-05-01), None
patent: 2002-188644 (2002-07-01), None
patent: 2002-339977 (2002-11-01), None

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