55 mm Shaft Diameter 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

ID

Bearing Trade Number

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

For Housing ID

Bearing Type

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

Ball Bearing Profile

Bearing Construction

Shaft Type

Lubricant

Radial Clearance Trade Number

Static Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 99,999 lb.

Lubrication

Cage Material

304 Stainless Steel

Ball Material

440C Stainless Steel

Inner Ring Type

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Maximum Rotation Speed

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52 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

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

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Bearing Adapter Sleeves

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

Bearing Washers

Bearing Washers

Adapt needle-roller thrust bearings for use on unhardened, unground surfaces

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

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

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