Plummer Block 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

Overall Length

Bearing Type

Housing Material

Stainless Steel

Center Height

Bearing Seal Type

Shaft Type

Round with Support Rail

Overall Width

Bearing Material

Stainless Steel

Mounting Hole Center-to-Center

Housing Type

Overall Height

Alignment Style

For Load Direction

Combined Radial and Thrust

Length

OD

Material

Stainless Steel

Lubrication

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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1,716 Products

Mounted Bearings

Base Mount

Mounted Ball Bearings

Mounted Ball Bearings

The balls roll nearly friction-free within a sturdy housing

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

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

Mounted Tapered-Roller Bearings

Mounted Tapered-Roller Bearings

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

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

Extra-Clearance Mounted Ball Bearings

Extra-Clearance Mounted Ball Bearings

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

Oil-Embedded Mounted Sleeve Bearings

Oil-Embedded Mounted Sleeve Bearings

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

Extreme-Temperature Mounted Sleeve Bearings

Extreme-Temperature Mounted Sleeve Bearings

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

Food-and-Beverage Mounted Ball Bearings

Food-and-Beverage Mounted Ball Bearings

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

Light Duty Mounted Ball Bearings

Light Duty Mounted Ball Bearings

A cost-effective choice for low-speed applications

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

Dry-Running Mounted Ball Bearings

Dry-Running Mounted Ball Bearings

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

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

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 Dry-Running Mounted Sleeve Bearings

Light Duty Dry-Running Mounted Sleeve Bearings

Support low-speed shafts without messy grease

Extreme-Temperature Mounted Ball Bearings

Extreme-Temperature Mounted Ball Bearings

Stay slippery in temperatures from -240° to 660° 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

High-Temperature Mounted Ball Bearings

High-Temperature Mounted Ball Bearings

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

Four-Bolt Flange Mount

Mounted Ball Bearings with Four-Bolt Flange

Mounted Ball Bearings with Four-Bolt Flange

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

Extreme-Temperature Mounted Sleeve Bearings with Four-Bolt Flange

Extreme-Temperature Mounted Sleeve Bearings with Four-Bolt Flange

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

Mounted Tapered-Roller Bearings with Four-Bolt Flange

Mounted Tapered-Roller Bearings with Four-Bolt Flange

Support heavy radial and thrust loads

Dry-Running Mounted Ball Bearings with Four-Bolt Flange

Dry-Running Mounted Ball Bearings with Four-Bolt Flange

Naturally slick plastic keep shafts spinning, no lubricant needed

High-Temperature Mounted Ball Bearings with Four-Bolt Flange

High-Temperature Mounted Ball Bearings with Four-Bolt Flange

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

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

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

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

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

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

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

Two-Bolt Flange Mount

Mounted Ball Bearings with Two-Bolt Flange

Mounted Ball Bearings with Two-Bolt Flange

The balls roll nearly friction-free within a flanged housing

Light Duty Mounted Ball Bearings with Two-Bolt Flange

Light Duty Mounted Ball Bearings with Two-Bolt Flange

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

Extreme-Temperature Mounted Sleeve Bearings with Two-Bolt Flange

Extreme-Temperature Mounted Sleeve Bearings with Two-Bolt Flange

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

Oil-Embedded Mounted Sleeve Bearings with Two-Bolt Flange

Oil-Embedded Mounted Sleeve Bearings with Two-Bolt Flange

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

Dry-Running Mounted Sleeve Bearings with Two-Bolt Flange

Dry-Running Mounted Sleeve Bearings with Two-Bolt Flange

Naturally slick plastic runs smoothly with no messy grease

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

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

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

Mounted Needle-Roller Bearings with Two-Bolt Flange

Mounted Needle-Roller Bearings with Two-Bolt Flange

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

Easy-Adjust Mounted Ball Bearings with Two-Bolt Flange

Easy-Adjust Mounted Ball Bearings with Two-Bolt Flange

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

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

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

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

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

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

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

Dry-Running Mounted Ball Bearings with Two-Bolt Flange

Dry-Running Mounted Ball Bearings with Two-Bolt Flange

Naturally slick, these plastic bearings never need lubrication

High-Temperature Mounted Ball Bearings with Two-Bolt Flange

High-Temperature Mounted Ball Bearings with Two-Bolt Flange

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

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

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

Tapped Base Mount

Tapped-Base Mounted Ball Bearings

Tapped-Base Mounted Ball Bearings

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

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

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

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

Thread Mount

Thread-Mount Ball Bearings

Thread-Mount Ball Bearings

Mount directly onto threaded pipe, no flat surface necessary

Three-Bolt Flange Mount

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

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

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

Mounted Ball Bearings with Three-Bolt Flange

Mounted Ball Bearings with Three-Bolt Flange

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

Panel Mount

Panel-Mount Ball Bearings

Panel-Mount Ball Bearings

Create a secure mount for smooth rotation in thin panels

Dry-Running Panel-Mount Sleeve Bearings

Dry-Running Panel-Mount Sleeve Bearings

Run smoothly without lubrication

Oil-Embedded Panel-Mount Sleeve Bearings

Oil-Embedded Panel-Mount Sleeve Bearings

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

Other Products

Bearing Housings

Bearing Housings

Mount your own bearings in place

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

End Supports for Ball Screws and Precision Lead Screws

End Supports for Ball Screws and Precision Lead Screws

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

Ball Splines and Bearings

Ball Splines and Bearings

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

Precision Lead Screw Nuts

Precision Lead Screw Nuts

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

Ball Screw Nuts

Ball Screw Nuts

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

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