Rolling bearing with solid lubricant

Bearings – Rotary bearing – Antifriction bearing

Patent

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Details

384492, 384908, F16C 3366

Patent

active

052228169

ABSTRACT:
The raceway surfaces of inner ring 1 and outer rings 2 and the surfaces of rolling elements are respectively formed with solid lubricating films 1a, 2a and 3a of PTFE whose average molecular weight is not more than 5,000.
These solid lubricating films each have a continuous island distribution comprising island film portions 5 and connective film portions 6 interconnecting the island film portions 5.

REFERENCES:
patent: 3001838 (1961-09-01), Lamson et al.
patent: 4582368 (1986-04-01), Fujita et al.
patent: 4666787 (1987-05-01), Bickle et al.
patent: 4923761 (1990-05-01), Shindo

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