Bearings – Rotary bearing – Antifriction bearing
Patent
1997-10-03
1999-07-13
Footland, Lenard A.
Bearings
Rotary bearing
Antifriction bearing
384565, 384571, 384450, F16C 3358
Patent
active
059216859
ABSTRACT:
With the size precision suitable for mass production, the time and labor required for running-in of various rotating machine and apparatus such as a gear box with the bearing installed are reduced.
A clearance 13 exists between the end face on the larger diameter side and the inner face 7a of the larger flange portion 7 in the state where the end face on the smaller diameter side of the tapered rollers 3 is abutted to the inner face 6a of the smaller flange portion 6. The minimum value of the size .DELTA.L of the clearance 13 is kept up to 0.3 mm. Simultaneously, the difference between the maximum value and the minimum value in the length L of the tapered rollers 3 is kept up to 0.15 mm.
REFERENCES:
patent: 3951483 (1976-04-01), Nakamura
patent: 4915513 (1990-04-01), Orain
patent: 5549398 (1996-08-01), Van Brakel et al.
Ishimaru Akira
Shiratani Takaaki
Footland Lenard A.
NSK Ltd.
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