4mm ID Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

Width

Ball Bearing Profile

Bearing Seal Type

ID

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"

For Housing ID

8.000 mm to 8.015 mm

Bearing Type

Bearing Trade Number

Cage Material

Stainless Steel

Inner Ring Type

For Load Direction

Combined Radial and Thrust

Material

863 Iron Copper

Stainless Steel

Ball Material

Stainless Steel

Length

Shaft Mount Type

ABEC Rating

Shaft Type

Lubrication

Bearing Construction

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Maximum Rotation Speed

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Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Roller Bearings

Roller Bearings

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

Flanged Sleeve Bearings

Flanged Sleeve Bearings

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

Thrust Bearings

Thrust Bearings

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

Mounted Bearings

Mounted Bearings

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

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Rod Ends

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

Ball Screw/Splines and Bearings

Ball Screw/Splines and Bearings

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

Drive Rollers

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

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

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

Fabricating and Machining

Drill Bushings

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

Fastening and Joining

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

Building and Machinery Hardware

Grommets

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

Raw Materials

Plastic

A lightweight alternative to metal and glass

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