608-2Z Bearings | McMaster-Carr

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6 Products

About Ball and Roller Bearings

Ball Bearings

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	Specifications Met		Each
608-2Z	8mm	22mm	7mm	Steel	730	300	30,000	Lubricated	-20° to 230°	ABEC-1	DIN 625-1	00000000	000000

Precision Ball Bearings

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.

					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
Shielded
608-2Z	8	22	7	Steel	770	300	38,000	Lubricated	-20° to 230°	ABEC-3	0000000	000000

One-Way Locking Ball Bearing Clutches

Shielded

Internal locking elements (sprags) lock to transmit torque in one direction while turning freely in the other direction. Use them in applications where precision movement is required, such as pick-and-place and automated indexing conveyor systems. Shields keep out dust and contaminants.

Shielded bearings dissipate heat better than sealed bearings, but don’t keep out as much dust.

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	Max. Torque, ft.-lbs.	Lubrication	Temp. Range, °F	ABEC Rating		Each
Shielded
608-2Z	8	22	9	Steel	720	190	15,000	1.5	Lubricated	-40° to 170°	ABEC-1	0000000	0000000

Stainless Steel Ball Bearings

Bearings are 440C stainless steel for good corrosion resistance.

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
608-2Z	8mm	22mm	7mm	440C Stainless Steel	590	300	34,000	Lubricated	-40° to 240°	ABEC-3	0000000	000000

Flanged Ball Bearings

The flange ensures proper positioning inside a tube or housing.

440C stainless steel bearings are more corrosion resistant than steel bearings.

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

Flanged Bearing

				Flange			Radial Load Cap., lbs.
Bearing Trade Number	For Shaft Dia.	For Housing ID	Wd.	OD	Thick.	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	ABEC Rating		Each
608-2Z	8mm	22mm	7mm	25mm	1.5mm	440C Stainless Steel	590	240	33,000	Lubricated	-50° to 300°	ABEC-3	000000000	000000
608-2Z	8mm	22mm	7mm	25mm	1.5mm	Steel	740	310	33,000	Lubricated	-50° to 300°	ABEC-3	000000000	00000