JPH02122214U

JPH02122214U -

Info

Publication number: JPH02122214U
Application number: JP3174189U
Authority: JP
Priority date: 1989-03-20
Filing date: 1989-03-20
Publication date: 1990-10-05

Description

[Brief explanation of drawings]

第１図は玉軸受の断面図、第２図は同上の保持
器の平面図、第３図は第２図の−線の一部切
欠断面図、第４図はポケツト部分の拡大断面図、
第５図は第４図の−線での断面図、第６図は
ポケツト部分の斜視図、第７図は従来例の玉軸受
の一部断面図、第８図は同上の保持器の一部縦断
側面図、第９図は同上の保持器の一部平面図であ
る。１……保持器、２……玉軸受、３……保持器本
体、４……保持爪、５……ポケツト、６……鋼球
。 Fig. 1 is a sectional view of the ball bearing, Fig. 2 is a plan view of the same retainer, Fig. 3 is a partially cutaway sectional view taken along the - line in Fig. 2, and Fig. 4 is an enlarged sectional view of the pocket portion.
Fig. 5 is a sectional view taken along the - line in Fig. 4, Fig. 6 is a perspective view of the pocket portion, Fig. 7 is a partial sectional view of a conventional ball bearing, and Fig. 8 is a part of the same retainer. FIG. 9 is a partial plan view of the cage described above. 1... Cage, 2... Ball bearing, 3... Cage body, 4... Holding claw, 5... Pocket, 6... Steel ball.

Claims

[Scope of utility model registration request]

A pair of opposing retaining claws are formed on one end surface of the annular retainer body at a constant pitch in the circumferential direction,
In a ball bearing cage in which a pocket for holding steel balls is formed between a pair of opposing holding claws, the angle from the center of the pocket is based on a line that passes through the center of the pocket and is parallel to the end surface of the cage body. However, the first position against the steel ball is placed on the inner surface of the pocket at a certain angle.
A ball bearing having a contact point and a second contact point for a steel ball on the inner surface of the pocket at an angle of about 90 degrees from the center of the pocket to the bottom of the pocket with reference to the above-mentioned line. retainer.