Base Mount Bearings | McMaster-Carr

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System of Measurement

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Mounted Bearing Type

Four-Bolt Flange Mount

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Tapped Base Mount

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Three-Bolt Flange Mount

Two-Bolt Flange Mount

Shaft Mount Type

Center Height

Overall Length

Bearing Seal Type

Bearing Type

Housing Material

Mounting Hole Center-to-Center

Alignment Style

Overall Height

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

Not Rated

For Load Direction

Combined Radial and Thrust

Overall Width

Bearing Material

Shaft Type

Static Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 99,999 lb.

100,000 lb. to 199,999 lb.

Mounting Hole Width

Grease Fitting Included

REACH

RoHS

Export Control Classification Number (ECCN)

1C999

EAR99

DFARS Specialty Metals

Exempt

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

Yes

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576 Products

Mounted Bearings

Base Mount

Mounted Ball Bearings

The balls roll nearly friction-free within a sturdy housing

204 products

Light Duty Mounted Ball Bearings

A cost-effective choice for low-speed applications

23 products

Extra-Clearance Mounted Ball Bearings

Double the clearance between shaft and mounting surface to fit bulky setups

21 products

Dry-Running Mounted Sleeve Bearings

Naturally slick plastic sleeves keep shafts spinning, no grease needed

51 products

Permanently Lubricated Mounted Ball Bearings

Infused with oil, these bearings never require lubrication

11 products

Food-and-Beverage Mounted Ball Bearings

Packed with NSF-registered grease that's safe for incidental food contact

63 products

Mounted Tapered-Roller Bearings

Handle higher loads than needle-roller or ball bearings, but at lower speeds

15 products

Easy-Access Mounted Sleeve Bearings

Lift the top off for quick access to the shaft with no need for disassembly

11 products

Dry-Running Mounted Sleeve Bearings for High Misalignment

The spherical sleeve swivels to compensate for over 20° of shaft misalignment

12 products

Light Duty Dry-Running Mounted Sleeve Bearings

Support low-speed shafts without messy grease

15 products

Oil-Embedded Mounted Sleeve Bearings

Lubricate less often with bearings that release their own oil upon startup

23 products

Mounted Needle-Roller Bearings

Thinner than ball bearings and ideal for turning low loads at high speeds

10 products

Mounted Sleeve Bearings

A reliable classic with no moving parts and a tough babbitt bearing

9 products

Light Duty Oil-Embedded Mounted Sleeve Bearings

Self-lubricating and cost-effective, these bearings support shafts at low speeds

13 products

Extreme-Temperature Mounted Sleeve Bearings

Lubricated with graphite to glide in temperatures from -400° to 750° F

7 products

Vibration-Damping Oil-Embedded Mounted Sleeve Bearings

Lined with flexible rubber to soak up vibrations and muffle noisy machinery

9 products

Dry-Running Mounted Ball Bearings

The naturally slippery plastic needs no lubrication and won't create messes

4 products

High-Temperature Mounted Ball Bearings

Filled with synthetic grease to run smoothly in conditions as hot as 400° F

7 products

Easy-Access Mounted Cylindrical-Roller Bearings

Long, thick rollers handle the highest loads of any mounted bearing we offer

16 products

Extreme-Temperature Mounted Ball Bearings

Stay slippery in temperatures from -240° to 660° F

6 products

Other Products

Bearing Housings

Mount your own bearings in place

40 products

Bearing Guards

Shield bearings from dirt, and protect fingers and tools from moving parts

6 products