Bearing Apparatus For A Wheel of Vehicle
First Claim
Patent Images
1. A vehicle wheel bearing apparatus comprises:
- an outer member formed with double row outer raceway surfaces on its inner circumferential surface;
inner member formed with an inner raceway surface on its outer circumferential surface, said inner raceway surface arranged opposite to the double row outer raceway surfaces; and
double row ball groups are freely rollably contained between the outer raceway surfaces and inner raceway surface of the inner member and the outer member;
a pitch circle diameter of an outer side ball group is larger than a pitch circle diameter of an inner side ball group, andeach corner portions of the outer circumferential surfaces of the inner members is rounded as a smooth circular arc.
1 Assignment
0 Petitions
Accused Products
Abstract
A vehicle wheel bearing apparatus has a pitch circle diameter of an outer side ball group that is larger than a pitch circle diameter of an inner side ball group. Each corner portion of the outer circumferential surfaces of the inner member is rounded as a smooth circular arc.
31 Citations
8 Claims
-
1. A vehicle wheel bearing apparatus comprises:
-
an outer member formed with double row outer raceway surfaces on its inner circumferential surface; inner member formed with an inner raceway surface on its outer circumferential surface, said inner raceway surface arranged opposite to the double row outer raceway surfaces; and double row ball groups are freely rollably contained between the outer raceway surfaces and inner raceway surface of the inner member and the outer member; a pitch circle diameter of an outer side ball group is larger than a pitch circle diameter of an inner side ball group, and each corner portions of the outer circumferential surfaces of the inner members is rounded as a smooth circular arc. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
Specification