Japan, Feb. 27 -- NTN CORP has got intellectual property rights for 'ANGULAR BALL BEARING.' Other related details are as follows:
Application Number: JP,2022-053404
Category (FI): F16C33/38,F16C19/16,F16C33/58
Stage: PROBLEM TO BE SOLVED: To provide an angular ball bearing capable of being easily assembled to an inner member of a retainer and preventing separation of the retainer from the inner member after the assembling.SOLUTION: An angular ball bearing 1 includes: an outer member 2; an inner member 4; a ball 6 disposed between the outer member 2 and the inner member 4; and a retainer 8 for retaining the ball 6. The outer member 2 is detachable from an assembly component As composed of the inner member 4, the ball 6 and the retainer 8. A radial distance M from a groove bottom 4aa of a raceway groove 4a of the inner member 4 to a counter bore portion 4b of the inner member 4 is 0.2-0.7% of a pitch circle diameter P of the ball 6, and an axial dimension Z of the counter bore portion 4b of the inner member 4 is 8-20% of a diameter Dw of the ball 6. The inner member 4 has a first step portion 10 adjacent to the counter bore portion 4b and gradually reduced in diameter from the counter bore portion 4b on its outer peripheral face, and a height X of the first step portion 10 is 0.1-0.5% of a pitch circle diameter of the ball 8.SELECTED DRAWING: Figure 1 (Grant)
Filing Date: March 29, 2022
Publication Date: Oct. 12, 2023
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
