Mounting for vehicular road wheel

A mounting for a road wheel which rotates about an axis, said mounting comprising:

• a spindle having a sealing surface, an inboard bearing seat, an outboard bearing seat and a threaded end organized in that order;
• a hub located around the spindle;
• an inboard bearing including a tapered outer raceway carried by the hub, an inboard cone located around the inboard bearing seat on the spindle and having a tapered inner raceway presented outwardly toward the tapered outer raceway and coupling extension projecting axially beyond the small end of the inner raceway, and tapered rollers arranged in a row between the outer and inner raceways, the raceways of the inner bearing tapering downwardly away from the sealing surface of the spindle;
• an outboard bearing including a tapered outer raceway carried by the hub, an outboard cone located around the outboard seat and having a tapered inner raceway that is presented toward the outer raceway and a coupling extension projecting axially beyond the small end of the inner raceway, and tapered rollers arranged in a row between the outer and inner raceways, the raceways of the outboard bearing tapering downwardly away from the threaded end of the spindle;
• a spacer located around the spindle and between the cones of the inboard and outboard bearings, the spacer having coupling extensions where it abuts the coupling extensions on the cones for the bearings, the spacer establishing the setting for the bearings;
• a nut engaged with the threaded end of the spindle to retain the cones of the bearings on the spindle;
• and
• a seal carried by the hub and establishing dynamic fluid barriers with the cone of the inboard bearing and with the sealing surface of the spindle, all without contacting the cone or the sealing surface.

A mounting for enabling a road wheel to rotate about an axis, said mounting comprising:

• a spindle having a sealing surface presented away from the axis;
• a hub located around the spindle;
• an antifriction bearing located between the spindle and hub for enabling the hub to rotate on the spindle about the axis, the bearing including an inner race having a sealing surface that is located radially outwardly from sealing surface of the spindle;
• and
• a seal carried by hub and having a first lip which projects toward the sealing surface on the inner race of the bearing without contacting that sealing surface, the seal also having a second lip which projects toward the sealing surface on the spindle without contacting that sealing surface, all to establish dynamic fluid barriers along the sealing surfaces.

A mounting for a road wheel which rotates about an axis, said mounting comprising:

• a spindle having an inboard bearing seat and an outboard bearing seat;
• a hub located around the spindle;
• an inboard bearing including a tapered outer raceway carried by the hub, an inboard cone located around the inboard bearing seat on the spindle and having a tapered inner raceway presented outwardly toward the tapered outer raceway, and tapered rollers arranged in a row between the outer and inner raceways, the raceways of the inner bearing tapering downwardly toward the outboard bearing seat;
• an outboard bearing including a tapered outer raceway carried by the hub, an outboard cone located around the outboard bearing seat and having a tapered inner raceway that is presented toward the outer raceway;
• and tapered rollers arranged in a row between the outer and inner raceways, the raceways of the outboard bearing tapering downwardly toward the inboard bearing seat;
• and a seal carried by the hub an establishing a dynamic fluid barrier beyond the rollers of the inboard bearing;
• the raceways and the rollers of at least one of the bearings being profiled such that they crowned, with the profiling at the outer raceway exceeding 800 μin. per inch.