6311-2Z Bearings | McMaster-Carr

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Dynamic Radial Load Capacity

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2 Products

Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.

For technical drawings and 3-D models, click on a part number.

Shielded

					Radial Load Cap., lbs.
Bearing Trade Number	For Shaft Dia.	For Housing ID	Wd.	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	ABEC Rating		Each
6311-2Z	55mm	120mm	29mm	Steel	16,000	10,100	5,600	Lubricated	-20° to 230°	ABEC-1	00000000	000000

Shielded

For greater accuracy and higher speeds, these bearings are made to tighter tolerances than standard ball bearings.

Shielded bearings dissipate heat more efficiently than sealed bearings.

For technical drawings and 3-D models, click on a part number.