18mm ID Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

ID

1 1/4" to 4 1/4"

2 3/4" to 5 1/2"

3 3/4" to 6 1/4"

7 3/4" to 23 1/4"

8 3/4" to 19 3/4"

11 1/2" to 29 1/4"

Bearing Type

Bearing Seal Type

Width

Length

Shaft Type

Thickness

For Load Direction

Combined Radial and Thrust

Cage Material

Ball Bearing Profile

Material

Stainless Steel

Maximum Temperature

Less than 250° F

250° F to 499° F

500° F to 999° F

Ball Material

440C Stainless Steel

For Housing ID

Shaft Mount Type

Plain Bearing Type

Mounted Bearing Type

Dynamic Thrust Load Capacity

Less than 10,000 lb.

Lubrication

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

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118 Products

Power Transmission

Thrust Bearings

Thrust Bearings

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

Roller Bearings

Roller Bearings

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

Flanged Sleeve Bearings

Flanged Sleeve Bearings

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

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Bearing Housings

Bearing Housings

Mount your own bearings in place

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

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

Swivel Joints

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

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

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

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.)