6308-2RS Bearings | McMaster-Carr

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About Ball and Roller Bearings

Ball Bearings

Sealed bearings block out dust and other contaminants better than open and shielded bearings, but retain the most heat.

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

Sealed

					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	Specifications Met		Each
6308-2RS	40mm	90mm	23mm	Steel	9,550	5,600	4,800	Lubricated	-20° to 230°	ABEC-1	DIN 625-1	0000000	000000

Permanently Lubricated Ball Bearings

A solid polymer lubricant surrounds the balls, eliminating the need for additional lubrication. Because it's solid, the lubricant blocks out water and dust, extending the life of the bearing.

Sealed bearings have even better resistance to dust and contaminants than open bearings.

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

					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
Sealed
6308-2RS	40mm	90mm	23mm	Steel	7,050	5,050	4,600	Lubricated	10° to 200°	ABEC-1	00000000	000000

Precision Ball Bearings

Sealed

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

Sealed bearings block out dust and other contaminants better than shielded bearings.

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

					Radial Load Cap., lbs.
Bearing Trade Number	For Shaft Dia., mm	For Housing ID, mm	Wd., mm	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	ABEC Rating		Each
Sealed
6308-2RS	40	90	23	Steel	9,500	5,350	5,000	Lubricated	-30° to 210°	ABEC-3	00000000	0000000