Tapered roller bearing

Details Tapered roller bearing Tapered roller bearing

1998-09-17

2000-03-07

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

F16C 3336

Patent

active

060331232

ABSTRACT:
An inner ring of a tapered roller bearing is provided with an groove-like recess formed between an outer race surface and a large rib surface. A Chamfer is provided between a large-diameter-side end surface and a rolling surface in each tapered roller. (1) The height from the outer race surface of the inner ring to a contact position where the inner ring large rib surface contacts with the large-diameter-side end surface of each roller is set to be 6 to 9.5% of the diameter of the roller large-diameter-side end surface. (2) The chamfer of the large-diameter-side end surface of each roller is set to be 30 to 60% of the contact position height. In addition, (3) the size of the recess in the large rib surface side of the inner ring is set to be not larger than 75% of the chamfer of the large-diameter-side end surface of each roller.

REFERENCES:
patent: 1727576 (1929-09-01), Umstattd
patent: 1784914 (1930-12-01), Strickland et al.
patent: 1894099 (1933-01-01), Johnston
patent: 3995920 (1976-12-01), Bucha
patent: 4877340 (1989-10-01), Hoeprich
patent: 5007747 (1991-04-01), Takeuchi et al.

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