Angular ball bearing and rolling bearing

Details Angular ball bearing and rolling bearing Angular ball bearing and rolling bearing

2007-10-30

2007-10-30

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

Reexamination Certificate

active

10488236

ABSTRACT:
A rolling bearing is constructed so that, even though adapted for seals, strength of the bearing rings and reduction of the front width will not occur. Also dimensions equivalent to a non-sealed type bearing can be achieved. Rolling elements are disposed between an inner ring and an outer ring with seals provided. One seal is fitted in a pressed state on a peripheral surface portion of a cylindrical surface forming a counterbore of the outer ring. By pressing, the seal is mounted without forming a slot. The other seal is fitted in a slot. The inner ring and the outer ring, or rolling elements of a bearing comprising the outer ring, inner ring, rolling elements and a retainer are subjected to carbonitriding and a grease using a urea compound as a thickening agent is sealed in the bearing.

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Microfilm of the specification and drawings annexed to the request of Japanese Utility Model Application No. 156774/1984(Laid-open No. 70632/1986). (NTN Toyo Bearing co., Ltd.), May 14, 1986, p. 8, line 3—p. 9, line 1; Fig. 1.

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