3,300 lbs. Dynamic Radial Load Capacity Bearings

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About Ball and Roller Bearings

About Track Rollers

Also known as cam followers, track rollers have a thick outer roller that runs directly on a flat surface.

Ball Bearings

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

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

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 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
6205-2Z	25mm	52mm	15mm	57.8	1.12	Steel	3,300	1,750	14,000	Lubricated	-20° to 230°	ABEC-1	0000000	000000

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
6204-2RS	20mm	47mm	14mm	Steel	3,300	1,450	14,500	Lubricated	-4° to 230°	ABEC-1	DIN 625-1	00000000	000000

Sealed 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
6205-2RS	25mm	52mm	15mm	57.9	1.12	Steel	3,300	1,750	8,500	Lubricated	-40° to 210°	ABEC-1	0000000	000000

Precision Ball Bearings

Shielded

Sealed

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.

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
Shielded
6205-2Z	25	52	15	Steel	3,300	1,750	14,000	Lubricated	-30° to 240°	ABEC-3	0000000	000000
Sealed
6205-2RS	25	52	15	Steel	3,300	1,750	8,500	Lubricated	-30° to 210°	ABEC-3	00000000	00000

Combination Ball/Needle-Roller Bearings

A built-in thrust ball bearing reduces wear from adjacent shaft components, while the needle rollers support high radial loads. Install anywhere you would use separate bearings for radial and thrust loads.

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

						Radial Load Cap., lbs.		Thrust Load Cap., lbs.
For Shaft Dia., mm	For Housing ID, mm	Wd., mm	Ball Bearing OD, mm	Ball Bearing Wd., mm	Ring Material	Dynamic	Static	Dynamic	Static	Max. Speed, rpm	Lubrication	For Shaft Surface Smoothness (Ra), microinch	Temp. Range, °F		Each
Open
20	30	30	36	10	Steel	3,300	5,300	3,190	4,420	7,000	Required	8	-20° to 230°	00000000	0000000

Needle-Roller Bearings

Also known as drawn-cup roller bearings, these are our thinnest roller bearings. The outer ring is drawn out to form a lip that holds the bearing together. Bearings take on the shape of their housing and may be oblong prior to installation.

Open bearings dissipate heat more efficiently than sealed bearings.

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

				Radial Load Cap., lbs.
For Shaft Dia.	For Housing ID	Wd.	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	For Shaft Surface Smoothness (Ra), microinch	Temp. Range, °F	Specifications Met		Each
Open
45mm	52mm	12mm	Steel	3,300	6,150	5,900	Required	8	-20° to 280°	DIN 618, ISO 3245	0000000	000000

Maintenance-Free Threaded Track Rollers

Because they never need to be relubricated, these rollers are a good choice for hard-to-reach places. Also known as cam followers, track rollers support loads while guiding and positioning work. Thread the stud directly into a component or secure with a nut for through-hole mounting. All rollers have end seals to block dirt and contamination.

Crowned rollers have a slight curve, which is invisible to the naked eye, to stay centered on surfaces that are not perfectly aligned and/or not perfectly flat.

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

Metric

Roller, mm		Stud, mm		Thread					Radial Load Cap., lbs.
Dia.	Wd.	Dia.	Lg.	Size	Pitch, mm	Lg., mm	Shoulder Lg., mm	Max. Speed, rpm	Static	Dynamic	Max. Temp., °F	Bearing Type	Includes		Each
Steel Crowned Rollers with Seal
40	20	18	36	M18	1.5	19	0.8	550	5,600	3,300	175°	Needle Roller	Mounting Hardware	00000000	0000000