55mm ID Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

Bearing Seal Type

Bearing Trade Number

Width

0.3450 mm to 57.0000 mm

Bearing Construction

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Bearing Type

Maximum Rotation Speed

For Housing ID

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

Shaft Type

Keyed

Round

Tapered

Radial Clearance Trade Number

Material

Ball Material

Shaft Mount Type

Ball Bearing Profile

ABEC Rating

Cage Material

304 Stainless Steel

Plastic

Steel

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

REACH

RoHS

DFARS Specialty Metals

Exempt

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64 Products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

30 products

Roller Bearings

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

4 products

Thrust Bearings

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

3 products

Mounted Bearings

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

1 product

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

1 product

Sleeve Bearings

With no moving parts, the plainest type of bearing

3 products

Pulley and Sprocket Bushings

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

5 products

Fabricating and Machining

Drill Bushings

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

1 product

Fastening and Joining

Shims

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

16 products