Title:
ROLLING BEARING, ROTARY DEVICE, AND ROLLING BEARING MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2021139497
Kind Code:
A
Abstract:
To provide a rolling bearing which can achieve low torque.SOLUTION: A rolling bearing 1 includes: an inner ring 10 and an outer ring 20 arranged coaxially with each other; rolling elements 30 disposed between the inner ring 10 and the outer ring 20; and filling grease 60 disposed between the inner ring 10 and the outer ring 20. The filling grease 60 has a single arc part 61 which extends in an arc form in a circumferential direction around a common axis O of the inner ring 10 and the outer ring 20 at a predetermined position in an axial direction of the common axis O and a radial direction around the common axis O and contacts with one of the inner ring 10 and the outer ring 20. A first end part 61a of the arc part 61 is disposed spaced apart from a second end part 61b of the arc part 61 in the circumferential direction.SELECTED DRAWING: Figure 1
Inventors:
KOSAKA TAKAYUKI
IINO AKIHIRO
KOBAYASHI DAISUKE
IINO AKIHIRO
KOBAYASHI DAISUKE
Application Number:
JP2020218272A
Publication Date:
September 16, 2021
Filing Date:
December 28, 2020
Export Citation:
Assignee:
SEIKO INSTR INC
International Classes:
F16C33/66; F16C19/16; F16C33/78; F16C43/04; F16J15/54; F16N5/00
Attorney, Agent or Firm:
Field Saki Satoshi
Shingo Suzuki
Nishizawa Kazumi
Shingo Suzuki
Nishizawa Kazumi