6204-2Z Bearings | McMaster-Carr

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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.

Bearings with retaining ring have a removable retaining ring that holds the bearing inside a housing.

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
6204-2Z	20mm	47mm	14mm	Steel	2,850	1,450	15,000	Lubricated	-20° to 230°	ABEC-1	DIN 625-1	00000000	00000

Shielded with Retaining Ring

Bearing with
Retaining
Ring

				Retaining Ring, mm			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
6204-2Z	20mm	47mm	14mm	52.7	1.12	Steel	3,000	1,450	17,000	Lubricated	-20° to 230°	ABEC-1	0000000	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
6204-2Z	20	47	14	Steel	3,000	1,450	17,000	Lubricated	-20° to 230°	ABEC-3	0000000	000000

Electrically Insulated Ball Bearings

Shielded

Good for use in electric motors and power generators, these bearings have ceramic balls that insulate against stray current to prevent damage to the bearing. The ceramic balls generate less heat than steel balls, so they require lubrication less frequently.

Shielded bearings block out dust and other contaminants.

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
6204-2Z	20	47	14	Steel	2,850	1,250	22,500	Lubricated	-20° to 250°	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
6204-2Z	20mm	47mm	14mm	440C Stainless Steel	1,950	1,350	15,000	Lubricated	-40° to 240°	ABEC-1	0000000	000000

High-Temperature Ball Bearings

Shielded

Made with either PEEK or graphite, these ball bearings work in applications that are too hot for most other ball bearings.

Bearings with a graphite cage handle temperatures up to 660° F, double that of PEEK ball bearings, so they're a good choice for use in industrial ovens. However, they’re only for low-speed applications.

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
Shielded
Graphite Cage—Steel Ball
6204-2Z	20mm	47mm	14mm	Steel	3,000	1,450	250	Lubricated	-70° to 660°	ABEC-1	0000000	0000000