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Class Information
Number: 384/566
Name: Bearings > Rotary bearing > Antifriction bearing > Radial bearing > Roller bearing > Roller structure > Helical feature
Description: Subject matter wherein the roller comprises helical structure.

Patents under this class:

Patent Number Title Of Patent Date Issued
8033738 Needle roller bearing Oct. 11, 2011
5904038 Supporting disk for a supporting disk bearing of an open-end spinning rotor and method of making same May. 18, 1999
5551226 Disk for open end spinning Sep. 3, 1996
4240674 Positive lubricating and indexing bearing assembly Dec. 23, 1980

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