Miniature Ball Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

Ball Bearing Profile

Bearing Seal Type

ID

Cage Material

Stainless Steel

For Housing ID

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Ball Material

Stainless Steel

Ring Material

440C Stainless Steel

For Load Direction

Bearing Trade Number

ABEC Rating

Bearing Construction

Lubrication

Lubricant

Material

Stainless Steel

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Maximum Rotation Speed

Dynamic Radial Load Capacity

Less than 100 lb.

100 lb. to 199 lb.

200 lb. to 249 lb.

250 lb. to 499 lb.

500 lb. or greater

Radial Clearance

-0.0003" to 0.0009"

-0.0002" to 0.0004"

0.0001" to 0.0005"

0.0002" to 0.0003"

0.0002" to 0.0004"

0.0002" to 0.0005"

0.0003" to 0.0007"

0.0003" to 0.0009"

0.0005" to 0.0015"

0.001" to 0.005"

0.001" to 0.007"

0.001" to 0.008"

-0.008 mm to 0.023 mm

-0.005 mm to 0.01 mm

0.002 mm to 0.013 mm

How can we improve?

870 Products

Ball Bearings

Ball Bearings

The balls roll nearly friction free for smooth movement between rotating parts

High-Precision Ball Bearings

High-Precision Ball Bearings

The most precise ball bearings we offer, with tolerances tighter than a speck of dust

Flanged Ball Bearings

Flanged Ball Bearings

The flange presses against a housing wall so thrust loads won't knock them off-kilter

Permanently Lubricated Ball Bearings

Permanently Lubricated Ball Bearings

Solid lubricant releases oil over time so you never need to add more

Light Duty Ball Bearings

Light Duty Ball Bearings

Reduce friction between rotating parts that don't require high speed or precision

High-Precision Flanged Ball Bearings

High-Precision Flanged Ball Bearings

Our most precise flanged ball bearings stay put in their housing when rocked by thrust loads

Ball Bearings for Food and Beverage

Ball Bearings for Food and Beverage

The FDA-compliant lubricant is safe for food-processing areas

Dry-Running Flanged Ball Bearings

Dry-Running Flanged Ball Bearings

Don't risk your bearing popping out of place or making a mess

Light Duty Flanged Ball Bearings

Light Duty Flanged Ball Bearings

Reduce friction and resist thrust loads in parts that don't require high speed or precision

High-Load Dry-Running Ball Bearings

High-Load Dry-Running Ball Bearings

Carry twice as much weight as standard dry-running ball bearings

Self-Aligning Ball Bearings

Self-Aligning Ball Bearings

The balls rock back and forth to compensate for misalignment

Dry-Running Ball Bearings

Dry-Running Ball Bearings

Made of slippery plastic so there's no lubricant to maintain or make a mess

One-Way-Locking Ball Bearings

One-Way-Locking Ball Bearings

Prevent shafts from reversing direction

Other Products

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

Router Guides

Make precise circular or intricate cuts with routers

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