30mm Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

3/16" to 2 3/4"

1/4" to 1 3/16"

5/16" to 11/32"

11/32" to 7/16"

3/4" to 1 3/16"

1 1/8" to 2 3/4"

1 3/16" to 1 5/8"

1 3/8" to 1 7/8"

1 3/4" to 2 1/4"

2 1/4" to 4 3/8"

2 3/8" to 6 1/8"

3 7/8" to 7 7/8"

OD

Width

Bearing Seal Type

Bearing Trade Number

For Housing ID

40.000 mm to 40.025 mm

45.000 mm to 45.025 mm

47.000 mm to 47.021 mm

47.000 mm to 47.025 mm

47.000 mm to 47.030 mm

47.025 mm to 47.064 mm

Ball Bearing Profile

With Retaining Ring

ID

Bearing Type

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Bearing Construction

Ball Material

Stainless Steel

Shaft Type

Round with Support Rail

Cage Material

Stainless Steel

Inner Ring Type

Ring Material

Stainless Steel

Radial Clearance Trade Number

Lubricant

Lubrication

Shaft Mount Type

Concentric Lock

Mounted Bearing Type

Four-Bolt Flange Mount

Three-Bolt Flange Mount

Two-Bolt Flange Mount

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

REACH

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289 Products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

Roller Bearings

Roller Bearings

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

Mounted Bearings

Mounted Bearings

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

Thrust Bearings

Thrust Bearings

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

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Flanged Sleeve Bearings

Flanged Sleeve Bearings

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

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 surfaces

Bearing Adapter Sleeves

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

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

Track Rollers

Support and carry objects as they move along conveyor systems

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