55mm OD Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

1/2" to 3 3/16"

1/2" to 20 1/2"

3/4" to 13 3/4"

7/8" to 11 7/8"

7/8" to 14 3/4"

7/8" to 23 5/8"

1 1/32" to 8 5/8"

1 1/32" to 9 7/8"

1 1/32" to 11 1/32"

1 1/32" to 11 7/8"

1 1/4" to 4 1/2"

1 1/2" to 4 1/4"

1 1/2" to 11 7/8"

1 1/2" to 15 3/4"

1 1/2" to 17 3/4"

1 1/2" to 19 3/4"

2 1/4" to 7 1/4"

2 1/4" to 15 3/4"

2 1/2" to 5 3/4"

2 3/4" to 9 1/2"

3 1/4" to 11 3/4"

4 1/4" to 14 3/4"

Bearing Seal Type

Width

Bearing Trade Number

Ball Bearing Profile

With Retaining Ring

ID

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Bearing Type

Ball Material

Stainless Steel

Bearing Construction

Cage Material

304 Stainless Steel

ABEC Rating

For Housing ID

Shaft Mount Type

Shaft Type

Inner Ring Type

Lubricant

Material

Stainless Steel

Radial Clearance Trade Number

Export Control Classification Number (ECCN)

REACH

RoHS

DFARS Specialty Metals

Dynamic Radial Load Capacity

Less than 10,000 lb.

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63 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

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

Thrust Bearings

Thrust Bearings

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

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

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

Swivel Joints

Handle shaft misalignment where ball joint rod ends won’t fit; also known as spherical bearings

Fastening and Joining

Shims

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

Fabricating and Machining

Drill Bushings

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

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