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

Bearing Seal Type

Bearing Trade Number

Width

ID

Bearing Construction

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Bearing Type

For Housing ID

Shaft Type

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

Ball Material

440C Stainless Steel

Maximum Rotation Speed

Radial Clearance Trade Number

Ball Bearing Profile

Cage Material

304 Stainless Steel

Material

932 Bearing Bronze

Stainless Steel

Shaft Mount Type

Lubrication

ABEC Rating

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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53 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

Thrust Roller Bearing Washers

Thrust Roller 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

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

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.)