Base Mount Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

Mounted Bearing Type

Four-Bolt Flange Mount

Tapped Base Mount

Three-Bolt Flange Mount

Two-Bolt Flange Mount

ID

Shaft Mount Type

Center Height

Overall Length

Housing Material

Stainless Steel

Bearing Seal Type

Bearing Type

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.

For Load Direction

Combined Radial and Thrust

Overall Width

Bearing Material

Stainless Steel

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

Shaft Type

For Bearing OD

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

How can we improve?

579 Products

Mounted Bearings

Base Mount

Mounted Ball Bearings

Mounted Ball Bearings

The balls roll nearly friction-free within a sturdy housing

Light Duty Mounted Ball Bearings

Light Duty Mounted Ball Bearings

A cost-effective choice for low-speed applications

Extra-Clearance Mounted Ball Bearings

Extra-Clearance Mounted Ball Bearings

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

Dry-Running Mounted Sleeve Bearings

Dry-Running Mounted Sleeve Bearings

Naturally slick plastic sleeves keep shafts spinning, no grease needed

Permanently Lubricated Mounted Ball Bearings

Permanently Lubricated Mounted Ball Bearings

Infused with oil, these bearings never require lubrication

Food-and-Beverage Mounted Ball Bearings

Food-and-Beverage Mounted Ball Bearings

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

Mounted Tapered-Roller Bearings

Mounted Tapered-Roller Bearings

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

Light Duty Dry-Running Mounted Sleeve Bearings

Light Duty Dry-Running Mounted Sleeve Bearings

Support low-speed shafts without messy grease

Easy-Access Mounted Sleeve Bearings

Easy-Access Mounted Sleeve Bearings

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

Oil-Embedded Mounted Sleeve Bearings

Oil-Embedded Mounted Sleeve Bearings

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

Dry-Running Mounted Sleeve Bearings for High Misalignment

Dry-Running Mounted Sleeve Bearings for High Misalignment

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

Mounted Needle-Roller Bearings

Mounted Needle-Roller Bearings

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

Mounted Sleeve Bearings

Mounted Sleeve Bearings

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

Light Duty Oil-Embedded Mounted Sleeve Bearings

Light Duty Oil-Embedded Mounted Sleeve Bearings

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

Extreme-Temperature Mounted Sleeve Bearings

Extreme-Temperature Mounted Sleeve Bearings

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

Dry-Running Mounted Ball Bearings

Dry-Running Mounted Ball Bearings

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

Vibration-Damping Oil-Embedded Mounted Sleeve Bearings

Vibration-Damping Oil-Embedded Mounted Sleeve Bearings

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

High-Temperature Mounted Ball Bearings

High-Temperature Mounted Ball Bearings

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

Easy-Access Mounted Cylindrical-Roller Bearings

Easy-Access Mounted Cylindrical-Roller Bearings

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

Extreme-Temperature Mounted Ball Bearings

Extreme-Temperature Mounted Ball Bearings

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

Other Products

Bearing Housings

Bearing Housings

Mount your own bearings in place

Bearing Guards

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

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