Standard Needle Roller Bearings | McMaster-Carr

	System of Measurement System of Measurement

	For Shaft Diameter For Shaft Diameter

	OD OD

	ID ID

	Width Width

	For Load Direction For Load Direction

	Radial
	Thrust
	Combined Radial and Thrust

	Bearing Type Bearing Type


Roller	Ball

	For Housing ID For Housing ID

	Seal Type Seal Type

	Dynamic Radial Load Capacity Dynamic Radial Load Capacity

Less than 1,000 lbs.

1,000 to 1,999 lbs.

2,000 to 2,999 lbs.

3,000 to 9,999 lbs.

10,000 lbs. or greater

	Cage Material Cage Material

	Maximum Speed Maximum Speed

Less than 10,000 rpm

10,000 to 19,999 rpm

20,000 to 29,999 rpm

30,000 to 39,999 rpm

40,000 rpm or greater

	Lubrication Lubrication

	For Shaft Type For Shaft Type


Round	Keyed

	Thickness Thickness

	Static Radial Load Capacity Static Radial Load Capacity

Less than 1,000 lbs.

1,000 to 1,999 lbs.

2,000 to 2,999 lbs.

3,000 to 9,999 lbs.

10,000 lbs. or greater

	Shaft Mount Type Shaft Mount Type

	Construction Construction

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

	Maximum Temperature Maximum Temperature

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	For Shaft Surface Smoothness (Ra) For Shaft Surface Smoothness (Ra)

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About Ball and Roller Bearings

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Bearings

Needle-Roller Bearings

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.

Precision Needle-Roller Bearings

Precision Needle-Roller Bearings

These bearings have higher radial load capacity, speed, and accuracy than standard needle-roller bearings.

Shaft Liners for Precision Needle-Roller Bearings

Shaft Liners for Precision Needle-Roller Bearings

Adapt high-precision needle-roller bearings to use on unhardened, unground shafts.

One-Way Locking Needle-Roller Bearing Clutches

One-Way Locking Needle-Roller Bearing Clutches

The needles in these bearings roll freely in one direction, but lock to transmit torque when the rotation of the shaft is reversed. Also known as drawn-cup roller clutches.

Needle-Roller Thrust Bearings

Thinner rollers allow these bearings to fit in tighter spaces than tapered-roller thrust bearings.

Washers for Needle-Roller Thrust Bearings

Adapt needle-roller thrust bearings to use on unhardened, unground surfaces.

Combination Ball/Needle-Roller Bearings

Combination Ball/Needle-Roller Bearings

A built-in thrust ball bearing reduces wear from adjacent shaft components, while the needle-roller bearing supports radial loads.

Mounted Roller Bearings with Two-Bolt Flange

These roller bearings handle extremely high speeds for their small size.

Mounted Roller Bearings

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Roller bearings have a thinner profile and larger contact area than ball bearings, making them stronger and more space-efficient than ball bearings.

Flat-Belt Idler Pulleys

Flat-Belt Idler Pulleys

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These pulleys spin freely on built-in bearings to maintain tension for reduced wear and vibration.

High-Speed Single U-Joints

Sealed Easy-Install Single U-Joints

These joints are made of steel.

High-Speed Single U-Joints

These joints are made of steel.

Corrosion-Resistant Sealed Easy-Install Single U-Joints

Stainless steel hubs allow these U-joints to handle harsh environments.

High-Torque Easy-Install Single U-Joints

These U-joints handle at least 11,000 in.-lbs. of torque.

Corrosion-Resistant High-Speed Single U-Joints

Made of stainless steel, these U-joints offer excellent corrosion resistance.

Sanitary Sealed Easy-Install Single U-Joints

Connect misaligned shafts in sanitary environments such as food, cosmetic, and pharmaceutical plants.

High-Load Track Roller Carriages and Guide Rails

Locking High-Load Track Roller
Carriages and Guide Rails

A handle on the side of the carriage locks the carriage in place.

High-Load Track Roller Carriages and Guide Rails

Needle-roller bearings give these track roller carriages higher load capacities than other track roller carriages.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)