Pillow Block Bearings | McMaster-Carr

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Ball Screws and Nuts

Ball Splines and Bearings

Bearing Adapter Sleeves

Bearing Housings

End Supports for Ball Screws and Precision Lead Screws

Linear Bearings

Mounted Bearings

Precision Lead Screws and Nuts

System of Measurement

Shaft Diameter

Mounted Bearing Type

Four-Bolt Flange Mount

Panel Mount

Tapped Base Mount

Thread Mount

Three-Bolt Flange Mount

Two-Bolt Flange Mount

Shaft Mount Type

Center Height

Bearing Seal Type

Overall Length

Housing Material

Bearing Type

Mounting Hole Center-to-Center

Alignment Style

Dynamic Radial Load Capacity

Less than 1,000 lb.

1,000 lb. to 1,999 lb.

2,000 lb. to 9,999 lb.

10,000 lb. to 19,999 lb.

20,000 lb. or greater

Material

Overall Height

For Load Direction

Combined Radial and Thrust

Overall Width

Shaft Type

Round with Support Rail

Bearing Material

Grease Fitting Included

Lubrication

RoHS

REACH

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

Yes

Export Control Classification Number (ECCN)

1C998

1C999

EAR99

DFARS Specialty Metals

Exempt

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How can we improve?

1,719 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

Permanently Lubricated Mounted Ball Bearings

Infused with oil, these bearings never require lubrication

11 products

Extra-Clearance Mounted Ball Bearings

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

21 products

Mounted Tapered-Roller Bearings

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

15 products

Dry-Running Mounted Sleeve Bearings

Naturally slick plastic sleeves keep shafts spinning, no grease needed

51 products

Food-and-Beverage Mounted Ball Bearings

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

63 products

Easy-Access Mounted Sleeve Bearings

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

11 products

Extreme-Temperature Mounted Sleeve Bearings

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

7 products

Oil-Embedded Mounted Sleeve Bearings

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

23 products

Light Duty Dry-Running Mounted Sleeve Bearings

Support low-speed shafts without messy grease

15 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 Oil-Embedded Mounted Sleeve Bearings

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

13 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

Vibration-Damping Oil-Embedded Mounted Sleeve Bearings

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

9 products

Extreme-Temperature Mounted Ball Bearings

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

6 products

High-Temperature Mounted Ball Bearings

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

7 products

Dry-Running Mounted Ball Bearings

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

4 products

Easy-Access Mounted Cylindrical-Roller Bearings

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

16 products

Two-Bolt Flange Mount

Mounted Ball Bearings with Two-Bolt Flange

The balls roll nearly friction-free within a flanged housing

92 products

Light Duty Mounted Ball Bearings with Two-Bolt Flange

A simple, cost-effective choice for low-speed rotation

37 products

Dry-Running Mounted Sleeve Bearings with Two-Bolt Flange

Naturally slick plastic runs smoothly with no messy grease

35 products

Oil-Embedded Mounted Sleeve Bearings with Two-Bolt Flange

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

19 products

Easy-Adjust Mounted Ball Bearings with Two-Bolt Flange

Loosen a bolt to adjust the bearing's position without removing the shaft

23 products

Mounted Needle-Roller Bearings with Two-Bolt Flange

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

26 products

Light Duty Dry-Running Mounted Sleeve Bearings with Two-Bolt Flange

An economical pick for low-speed rotation with no messy grease

26 products

Food-and-Beverage Mounted Ball Bearings with Two-Bolt Flange

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

40 products

High-Temperature Mounted Ball Bearings with Two-Bolt Flange

Lubricated with synthetic grease that withstands heat up to 400° F

9 products

Food-and-Beverage Permanently Lubricated Mounted Ball Bearings with Two-Bolt Flange

Self-lubricating and NSF-registered for safe use on food lines

16 products

Dry-Running Mounted Ball Bearings with Two-Bolt Flange

Naturally slick, these plastic bearings never need lubrication

9 products

Extreme-Temperature Mounted Sleeve Bearings with Two-Bolt Flange

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

6 products

Food-and-Beverage Dry-Running Mounted Sleeve Bearings with Two-Bolt Flange

Made of FDA-approved plastic for use on food lines, no messy grease needed

5 products

Four-Bolt Flange Mount

Mounted Ball Bearings with Four-Bolt Flange

Create a stronger connection to the mounting surface than two-bolt flanges

102 products

Mounted Tapered-Roller Bearings with Four-Bolt Flange

Support heavy radial and thrust loads

10 products

Food-and-Beverage Permanently Lubricated Mounted Ball Bearings with Four-Bolt Flange

Self-lubricating and NSF-registered for safe use on food lines

13 products

Extreme-Temperature Mounted Sleeve Bearings with Four-Bolt Flange

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

6 products

Food-and-Beverage Mounted Ball Bearings with Four-Bolt Flange

Packed with NSF-registered grease for smooth rotation on food lines

36 products

High-Temperature Mounted Ball Bearings with Four-Bolt Flange

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

8 products

Dry-Running Mounted Ball Bearings with Four-Bolt Flange

Naturally slick plastic keep shafts spinning, no lubricant needed

3 products

Tapped Base Mount

Tapped-Base Mounted Ball Bearings

Narrow enough for tight spaces, with threaded mounting holes on the bottom

32 products

Food-and-Beverage Permanently Lubricated Tapped-Base Mounted Ball Bearings

Self-lubricating and NSF-registered for safe use on food lines

2 products

Three-Bolt Flange Mount

Mounted Ball Bearings with Three-Bolt Flange

The balls roll nearly friction-free in a housing that fits in tight spaces

19 products

Food-and-Beverage Mounted Ball Bearings with Three-Bolt Flange

Safe for use on food lines, with a flange that fits into cramped spaces

35 products

Thread Mount

Thread-Mount Ball Bearings

Mount directly onto threaded pipe, no flat surface necessary

9 products

Panel Mount

Panel-Mount Ball Bearings

Create a secure mount for smooth rotation in thin panels

51 products

Oil-Embedded Panel-Mount Sleeve Bearings

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

16 products

Dry-Running Panel-Mount Sleeve Bearings

Run smoothly without lubrication

26 products

Other Products

Linear Bearings

Minimize friction as parts move along a shaft

391 products

Bearing Housings

Mount your own bearings in place

64 products

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

29 products

End Supports for Ball Screws and Precision Lead Screws

Brace and secure the ends of ball screws and precision lead screws

16 products

Ball Splines and Bearings

Combine ball splines and bearings to create linear and rotary motion systems

39 products

Ball Screw Nuts

Internal ball bearings roll on ball screws for low friction when moving components

6 products

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

18 products