Glossary “bearing ID” Definition:
Inside diameter of a bearing,

Glossary “bearing OD” Definition:
Outside diameter of a bearing.

Glossary “bearing oil clearance” Definition:
A space that is provided between a shaft and a bearing so oil can flow through it.

Glossary “bearing race” Definition:
The surface on which the rollers or balls of a bearing rotate. The outer race is the same thing as the cup, and the inner race is the one closest to the shaft.

Glossary “bearing retained axle” Definition:
Press fit axle with a bearing retaining ring.

Glossary “bearing shell” Definition:
One half of a single rod or main bearing set.

Glossary “bearing spacer” Definition:
A device that is used to hold a bearing in the housing bore.

Glossary “bearing spin” Definition:
Bearing that has rotated in its housing or block, generally due to failure as a result of lack of lubrication.

Glossary “bearing spread” Definition:
The small extra distance across the parting faces of a bearing half in excess of the actual diameter of the bearing bore.

Glossary “bearing upper” Definition:
The bearing shell that is positioned opposite the bearing cap.

Glossary “bearing cone” Definition:
The inner race of a tapered roller bearing; usually an integral assembly with the roller and cage.

Glossary “bearing crown” Definition:
Middle of a main or connecting rod bearing. This is its thickest point.

Glossary “bearing crush” Definition:
The additional height, manufactured into each bearing half, to ensure complete contact of the bearing back with the housing bore when the engine is assembled.

Glossary “bearing cup” Definition:
The outer race of a tapered roller bearing; usually pressed into the wheel hub.

Glossary “bearing groove” Definition:
A channel cut into the surface of a bearing to ensure oil distribution.

Glossary “bearing clearance” Definition:
Clearance between the bearing and the bearing journal.

Glossary “bearing bore” Definition:
Term used for housing bore.

Glossary “bearing cage” Definition:
The steel component that holds the rollers together in a tapered roller bearing.

Glossary “bearing cap” Definition:
A device that retains the needle bearings that ride on the trunnion of a U-joint and is pressed into the yoke.

Glossary “bearing cap register” Definition:
The cut-out portion of the engine block that keeps the bearing cap aligned to the housing bore.