21mm Housing ID Bearings | McMaster-Carr

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For Housing ID

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For Load Direction

ID

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Cage Material

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55 Products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

Combination Roller Bearings

Combination Roller Bearings

Support both radial and thrust loads with a single bearing

Roller Bearings

Roller Bearings

Support higher loads than ball bearings, but run at lower speeds

Plain Bearings

With no moving parts, the simplest type of bearing

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)