BEARING DEVICE - NSK LTD

Title:

BEARING DEVICE

Document Type and Number:

WIPO Patent Application WO/2016/092966

Kind Code:

A1

Abstract:

A tapered outer circumferential surface (14c) is formed on an inner race (14). Said tapered circumferential surface (14c) is inclined in a direction such that the diameter decreases as distance from the inner raceway surface (14a) increases. The small diameter end thereof is located to the outside, in the axial direction, of an axial direction end face (15c) of the outer race (15) and enters the internal diameter side of an outer race spacer (12). The outer race spacer (12) comprises a lubricant reservoir (19) and an oiling hole (20) that is in communication with said lubricant reservoir (19) and opens onto the tapered circumferential surface (14c). A lubricant such as grease (G) is enclosed in the bearing space (S). A lubricating oil- and wax-comprising wax lubricant (W) that can change, with a liquefaction point, which is a prescribed temperature in the temperature range of 10-70°C, as the boundary, between a liquid state above the liquefaction point and a semi-solid state at or below the liquefaction point is enclosed in the lubricant reservoir (19).

Inventors:

KATSUNO YOSHIAKI (JP)

Application Number:

PCT/JP2015/080464

Publication Date:

June 16, 2016

Filing Date:

October 28, 2015

Export Citation:

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Assignee:

NSK LTD (JP)

International Classes:

F16C33/66; F16C19/16; F16C19/54; F16C33/64; F16N7/38; F16N9/02

Domestic Patent References:

WO2006051671A1

2006-05-18

Foreign References:

JP2002161922A	2002-06-07
JP2002005181A	2002-01-09
JP2001208085A	2001-08-03
JPH10246230A	1998-09-14

Other References: