3mm ID Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

Width

Ball Bearing Profile

ID

0.0135" to 2.2656"

1 1/4" to 4 1/4"

2 3/4" to 5 1/2"

3 3/4" to 6 1/4"

7 3/4" to 23 1/4"

8 3/4" to 19 3/4"

11 1/2" to 29 1/4"

0.3450 mm to 57.0000 mm

Bearing Seal Type

For Housing ID

7.000 mm to 7.015 mm

Bearing Type

For Load Direction

Combined Radial and Thrust

Bearing Trade Number

Cage Material

Stainless Steel

Ring Material

440C Stainless Steel

Inner Ring Type

ABEC Rating

Ball Material

Stainless Steel

Length

Shaft Mount Type

Plain Bearing Type

Shaft Type

Bearing Construction

Lubricant

RoHS

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

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92 Products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

Flanged Sleeve Bearings

Flanged Sleeve Bearings

A sleeve and thrust bearing in one to support both parallel and perpendicular loads

Roller Bearings

Roller Bearings

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

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Thrust Bearings

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Mounted Bearings

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

Ball Screw/Splines

Ball Screw/Splines

Transmit rotary power, move loads along the shaft, or do both at once

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Drive Rollers

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

Raw Materials

Plastic

A lightweight alternative to metal and glass

Fabricating and Machining

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

Building and Machinery Hardware

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

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