4 mm Shaft Diameter Bearings | McMaster-Carr

Filter by

System of Measurement

Shaft Diameter

OD

Width

For Housing ID

ID

Ball Bearing Profile

Bearing Seal Type

Bearing Type

For Load Direction

Cage Material

Ball Material

Bearing Trade Number

ABEC Rating

Ring Material

Length

Shaft Mount Type

Lubrication

Bearing Construction

Thread Size

Inner Ring Type

Material

Radial Clearance

How can we improve?

117 Products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

Plain Bearings

With no moving parts, the simplest type of bearing

Roller Bearings

Roller Bearings

Support higher loads than ball bearings, but run at lower speeds

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Bearing Washers

Bearing Washers

Adapt needle-roller thrust bearings for use on unhardened, unground shafts

Track Rollers

Support and carry objects as they move along conveyor systems

Drive Rollers

Transmit power from motors to systems like conveyors; also known as contact wheels and feed rollers

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

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