Bearings – Rotary bearing – Antifriction bearing
Patent
1999-01-11
2000-07-11
Hannon, Thomas R.
Bearings
Rotary bearing
Antifriction bearing
384462, 384565, 384568, F16C 3358, F16C 3366, F16C 3336
Patent
active
060862610
ABSTRACT:
The raceway groove width (W) of the inner ring 2 and the length (L) of the tapered roller 3 are finished within predetermined dimensional tolerances. The retaining rib face 2b of the inner ring 2 is machined such that it is a surface parallel to the small end faces 3b of the tapered rollers 3. The clearances .delta. which are defined when the tapered rollers 3 are disposed on the raceway surface 2a of the inner ring 2 and are contacted at the large end faces 3a thereof with the cone back face rib face 2c is secured to be within the dimensional range, .delta..ltoreq.0.4 mm.
REFERENCES:
patent: 1736037 (1929-11-01), Else
patent: 1945094 (1934-01-01), Strickland
patent: 3951483 (1976-04-01), Nakamura
patent: 4877340 (1989-10-01), Hoeprich
patent: 5007747 (1991-04-01), Takeuchi et al.
patent: 5921685 (1999-07-01), Ishimaru et al.
Adachi Kazumi
Masuoka Kouji
Nakagawa Kazufumi
Tsujimoto Takashi
Urakami Kazunori
Hannon Thomas R.
NTN Corporation
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