Metric Ball Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

Width

Bearing Seal Type

ID

Bearing Trade Number

Ball Bearing Profile

With Retaining Ring

Bearing Type

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Bearing Construction

For Housing ID

7.000 mm to 7.015 mm

8.000 mm to 8.015 mm

Cage Material

Stainless Steel

Ball Material

Stainless Steel

Shaft Mount Type

Concentric Lock

Shaft Type

Acme Lead Screw

Round with Support Rail

Ring Material

440C Stainless Steel

Inner Ring Type

Lubrication

Material

Stainless Steel

Lubricant

Capilube Solid Lubricant

ABEC Rating

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

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9,205 Products

Ball Bearings

Ball Bearings

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

Permanently Lubricated Ball Bearings

Permanently Lubricated Ball Bearings

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

Flanged Ball Bearings

Flanged Ball Bearings

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

Angular Contact Ball Bearings

Angular Contact Ball Bearings

Support radial and thrust loads at the same time

Self-Aligning Ball Bearings

Self-Aligning Ball Bearings

The balls rock back and forth to compensate for misalignment

High-Precision Ball Bearings

High-Precision Ball Bearings

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

Ball Bearings for Food and Beverage

Ball Bearings for Food and Beverage

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

Electrically Insulating Ball Bearings

Electrically Insulating Ball Bearings

Ceramic balls insulate against stray currents that can damage bearings

High-Precision Angular Contact Ball Bearings

High-Precision Angular Contact Ball Bearings

Our most precise bearings for tackling radial and thrust loads at once

Ball Bearings with Retaining Ring

Ball Bearings with Retaining Ring

Install without complicated tools

High-Load Dry-Running Ball Bearings

High-Load Dry-Running Ball Bearings

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

One-Way-Locking Ball Bearings

One-Way-Locking Ball Bearings

Prevent shafts from reversing direction

Dry-Running Ball Bearings

Dry-Running Ball Bearings

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

Quick-Mount Ball Bearings

Quick-Mount Ball Bearings

Slip onto a shaft and secure with the turn of a screw

Tapered-Bore Ball Bearings

Tapered-Bore Ball Bearings

Mount on tapered shafts

Dry-Running Flanged Ball Bearings

Dry-Running Flanged Ball Bearings

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

Insert Bearings

Insert Bearings

Swap out worn inserts instead of replacing the entire mounted unit

Square-Bore Ball Bearings

Square-Bore Ball Bearings

The inside corners grip square shafts so you don't need set screws

High-Temperature Graphite-Lubricated Ball Bearings

High-Temperature Graphite-Lubricated Ball Bearings

Keep parts spinning in industrial ovens and other places as hot as 660° F

Quick-Mount Ball Bearings for Food and Beverage

Quick-Mount Ball Bearings for Food and Beverage

Install in food production areas without using special tools

Other Products

Roller Bearings

Roller Bearings

Support higher loads than ball bearings, but run at lower speeds

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Thrust Bearings

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

Flanged Sleeve Bearings

Flanged Sleeve Bearings

A sleeve and thrust bearing in one to support both parallel and perpendicular loads

Mounted Bearings

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Turntable Bearings

Turntable Bearings

Support machinery that slowly turns or oscillates, such as a rotating hoist

Bearing Housings

Bearing Housings

Mount your own bearings in place

Track Rollers

Support and carry objects as they move along conveyor systems

Guide Rail Carriages

Guide Rail Carriages

Carry loads along guide rails on accurate and repeatable paths in automated systems

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

Thrust Roller Bearing Washers

Thrust Roller Bearing Washers

Adapt needle-roller thrust bearings for use on unhardened, unground surfaces

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

Roller Bearing Shaft Liners

Roller Bearing Shaft Liners

Adapt precision needle-roller bearings for use on unhardened, unground shafts

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Swivel Joints

Handle shaft misalignment where ball joint rod ends won’t fit; also known as spherical bearings

Ball Transfers

Install in arrays to create platforms for conveying, rotating, and positioning heavy objects

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Ball Splines and Bearings

Ball Splines and Bearings

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

Bearing Adapter Sleeves

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

Linear Motion Slides

Linear Motion Slides

Move loads on accurate and repeatable paths beyond the mounting surface

Telescoping Rails

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

Lead and Ball Screw End Supports

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

Ball Screw/Splines and Bearings

Ball Screw/Splines and Bearings

Transmit rotary power, move loads along the shaft, or do both at once

Ball Screws and Nuts

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

Positioning Slides

Positioning Slides

A lead screw drives the carriage for accurate positioning in laboratory and production equipment

Drive Rollers

Transmit power from motors to systems like conveyors; also known as contact wheels and feed rollers

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

Roller Screws and Nuts

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

Air Slides

Convey grippers, printing heads, and other loads back and forth on a carriage

Plastic

A lightweight alternative to metal and glass

Steel

Strong, machinable, and weldable—all with material certificates for traceability

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Linear Bearing Brakes

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

Rod End Inserts

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

Bearing Separators

Bearing Separators

Separate bearings, collars, hubs, and other shaft-mounted items so you can remove them

Gear and Bearing Pullers

Gear and Bearing Pullers

Remove gears and bearings from hollow shafts and housings

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

Die Bushings

Guide pins and punches in molds and stamping dies or reduce friction between ejector pins and plates

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