13 best radial ball bearings

Radial ball bearings are a type of rolling-element bearing commonly used in various industrial and mechanical applications. They are designed to support radial loads, which are loads applied perpendicular to the axis of rotation. Here are key points about radial ball bearings:

  1. Construction: Radial ball bearings consist of several essential components:

    • Outer Ring: The outer ring is the stationary part of the bearing, and it typically has a cylindrical shape.
    • Inner Ring: The inner ring is the rotating part of the bearing and fits snugly onto a shaft.
    • Balls: These are the rolling elements that reduce friction between the inner and outer rings. Radial ball bearings usually have steel or ceramic balls.
    • Cage: A cage or separator holds the balls evenly spaced within the bearing, preventing them from coming into direct contact with each other.
  2. Types: There are different types of radial ball bearings, with the deep groove ball bearing being one of the most common. Deep groove ball bearings have a deep raceway groove that allows them to handle both radial and axial loads.

  3. Radial Load: Radial ball bearings are primarily designed to support radial loads, which are forces applied perpendicular to the shaft's axis. They are commonly used in applications where the main load is in a radial direction, such as in electric motors and wheel hubs.

  4. Axial Load: While not their primary purpose, radial ball bearings can also withstand limited axial (thrust) loads, which are forces applied parallel to the shaft's axis. However, they are not as suitable for axial loads as thrust bearings specifically designed for that purpose.

  5. Low Friction: Radial ball bearings are known for their low friction and smooth operation.The rolling motion of the balls between the inner and outer rings reduces friction and wear, allowing for efficient operation and extended bearing life.

  6. Sealing: Many radial ball bearings are equipped with seals or shields to protect the internal components from contamination, dust, and moisture. Sealed bearings are commonly used in applications where environmental conditions are a concern.

  7. Lubrication: Proper lubrication is essential for the performance and longevity of radial ball bearings. Lubricants reduce friction, dissipate heat, and protect against corrosion. Grease and oil are common lubricants used in these bearings.

  8. Applications: Radial ball bearings are found in a wide range of applications across various industries, including automotive, aerospace, industrial machinery, and household appliances. They are used in electric motors, pumps, fans, conveyor systems, and more.

  9. Maintenance: Regular maintenance, including proper lubrication and inspection for wear and damage, is necessary to ensure the continued reliability of radial ball bearings. Replacement may be required when bearings reach the end of their service life.

In summary, radial ball bearings are essential components used to support radial loads in a wide range of industrial and mechanical applications. They reduce friction, allow for smooth rotation, and contribute to the efficiency and reliability of machinery and equipment. Proper maintenance and lubrication are crucial for maximizing their performance and lifespan.

Below you can find our editor's choice of the best radial ball bearings on the market
  

Sackorange 10 PCS R8-2RS(1/2"x1-1/8"x5/16") C3 Premium Sealed Radial Ball Bearing - Deep Groove Bearing - High Speeds - Suitable for Electric Motor Applications

Sackorange

Based on 189 reviews Check latest price

Product description

This R8-2RS 1/2x1-1/8x5/16 -inch sealed ball bearing has deep groove geometry for high speeds and

supporting both radial and axial loads. The bearing is made of Bearing steel for durability and

resistance to deformity under heavy loads, and it has rubber seals on both sides of. the bearing

to keep lubricant in and contaminants out. This deep-groove sealed ball bearing is suitable for

use in electric motor applications.



Specifications:



Model: R8-2RS

Material: Bearing Steel

Number of Pack: 10 Pcs

External Design: Double Seal

Bore Diameter: 12.7 mm

Outer Diameter: 28.575 mm

Thickness: 7.9375 mm

Single Weight: 21g

  • Inside Diameter: 0.5 inch Outside Diamater: 1.125 inch Width: 0.3125 inch
  • Deep groove geometry for high speeds and supporting both radial and axial loads
  • Rubber seals on both sides of the bearing to keep lubricant in and contaminants out
  • Suitable for use in electric motor applications
  • Bearing Material: Bearing Steel

User questions & answers

Question: What are the static/dynamic load ratings
Answer: Ordered once and received wrong size returned and ordered again and received wrong size again

2 Pack) PGN - R16-2RS Sealed Ball Bearing - C3-1"x2"x1/2" - Lubricated - Chrome Steel

PGN

Based on 50 reviews Check latest price
  • Dimensions: 1"x2"x1/2"
  • Rubber seal on both sides
  • 100% Chrome Steel for higher resistance and durability
  • Supports 13,000 rpm
  • Our high-quality bearing is made to reduce your replacement frequency and maintenance cost

uxcell 683ZZ Ball Bearing 3mm x 7mm x 3mm Double Shielded Deep Groove Bearings, Carbon Steel 20pcs

uxcell

Based on 123 reviews Check latest price

Product description

NOTE:

Please refer to the picture and select right type of bearings before your order (Sealed or Shield on BOTH or SINGLE side of the bearing). Suffix on the bearing just for differentiating between Sealed and Shield type of bearing. It would not affect the use of our product.





Description:



Deep Groove Ball Bearings are one of the most widely used rolling bearings. They are used to accommodate radial and axial loads in both directions.

Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on.

Uxcell's Deep Groove Ball Bearings are cost-effective and require little maintenance.

Carbon Steel bearings are better in toughness than chrome steel bearings after quenching. These cost-effective bearings are widely used in areas with low requirements for Mohs hardness.

Single-row, pre-lubricated, normal accuracy.







Selection Guide:

Shields (Designation Suffix Z/ZZ) - High speed. Protect from dirt and debris.

Sealed (Designation SuffixRS/2RS) - Made of sheet steel reinforced NBR (oil- and liquid-resistant). Lower limit speed than Shield Bearings.





Specification:

Model: 683ZZ

Shield Type: Double Shield

Material: Carbon Steel

Cage Material: Stamping Steel

Inner Diameter (d): 3mm

Outer Diameter (D): 7mm

Thickness (B): 3mm

Accuracy Class: P0 (ABEC1)

Number of Pack: 20 Pcs

Weight: 10g

  • Size: 683ZZ (Inner Dia.=3mm, Outer Dia.=7mm, Thickness=3mm)
  • Shields on BOTH SIDES of the bearing to keep dust out. Suitable for high speed operation
  • Made from Carbon Steel, durability and resistance to under heavy loads
  • ABEC Tolerance 1 (P0) for most general use
  • Pre-Lubricated, Easy to maintain

User questions & answers

Question: What is the disgusting sticky stuff the containers and the bearings are coated in. Is it toxic? How do I get it off
Answer: It’s packing grease. You can clean it out with WD40 replace with your preferred oil or mount the bearing as is and lube as normal.

Donepart R16-2RS Bearings 1 Inch ID x2 Inch OD x1/2" Thick C3 High Speed Pre-Lubricated and Double Rubber Sealed Ball Bearings (2 Pcs)

Donepart

Based on 25 reviews Check latest price
  • R16-2RS (I.D.=1", O.D.=2", Thickness=1/2")
  • 100% Chrome Steel for higher resistance and durability
  • With small friction and high-limit speed,Deep Groove Ball Bearings are cost-effective and require little maintenance.
  • Single-row, pre-lubricated, normal accuracy.
  • Miniature Deep Groove Ball Bearing suitable for all kinds of industrial equipment, micro motor,small rotary motor,office equipment and so on.

Product features

Specifications:

Model: R16 2RS

Number of Pack: 2 Pcs

Lubrication: Lubricated (Grease)

Seal Type: Double Rubber Sealed

Material: 100% Chrome Steel

Bore (Inner) Diameter: 1"

Outer Diameter: 2"

Width (Thickness): 1/2"

Type: Bearing / Ball bearings / Deep Groove Ball Bearings / Single Row / Double Seal

Made of 100% Chrome Steel

Made of the high quality chrome steel, not carbon steel to give you more stability, control and reliability than standard bearings.

Used on Motor

Bearings are most commonly used in motors, small electric motors, pool pump motors, household appliances motor, etc.

Used on Wheels

Bearings can be used on automobile, bike, motorcycle, lawn mower, stroller, tractor, trike, trolley, karts, etc.

Used on Others

And widely used in Garden Machinery, Industrial Engineering, Home Appliances, Transport Vehicles, Agricultural Machinery, Construction Machinery.

Jeremywell 10-Pieces 6206 2RS, C3 Fit Premium Radial Ball Bearing 30x62x16mm, Rubber Sealed Deep Groove

Jeremywell

Based on 5 reviews Check latest price

Product description

6206-2RS Ball Bearing Dual Sided Rubber Sealed Deep Groove 30x62x16mm (10PCS)



Dynamic Load Rating: 19.5 kN/ 4400 lbs



Max RPM: 7500



Quantity Per Order: 10 Pieces



Size: 30x62x16mm



Static Load Rating: 11.3 kN/2500 lbs



Style: Rubber Sealed on Both Sides



Material: Chrome Steel



ABEC Rating: C3







Alternative Part Numbers: Grainger 6L028,SKF 62062RS ,Koyo 62062RS ,Nachi 62062NSL ,BCA 206DD ,Fafnir Torrington 206PP,Federal 1206RR ,Hoover 99206 ,NTN 6206LL ,MRC 206SZZ ,Norma Hoffman 206NN ,New Departure 99506 ,FAG 62062RS,NSK 6206VV



Compatibility:

Available upon request

  • Pre-greased, no maintenance needed
  • Brand New
  • Free Shipping within the Continental United States
  • Same business day order processing before 12:30PM PDT
  • Satisfaction Guaranteed

6405 ZZ Ball Bearing Premium Brand Koyo Japan 25x80x21mm Same Day Shipping

Koyo

Product description

6405ZZ Ball Bearing Premium Brand Koyo 25x80x21mm Single row deep groove ball bearings are versatile, self-retaining bearings with solid outer rings, inner rings and ball cage assemblies. They are simple in design robust in operation and easy to maintain. Capable of supporting radial and moderate axial loads in both directionsSealed for life bearing Super finished raceways improves lubrication and bearing life Operating temperature -10 to 100°C Applications: Motorcycles Automotive Agricultural Electric Motors Pumps Gearboxes Lawnmowers BRAND= KOYO MADE IN JAPAN Manufacturer Part Number = 6405ZZ Inside Diameter= 25.000mm Outside Diameter = 80.000mm Width= 21.000mm Clearance = CN = Standard Internal clearance Dynamic Load Text = Cr 45.2 KN Static Load Text = Cor 19.4 KN Limiting Speed r/min text = Grease Lubricant 9100 r/min, Oil Lubricant 11000 r/min

  • Date First Available :
  • Manufacturer :
  • ASIN :

20 Pack]608-2RS Ball Bearings – Bearing Steel and Double Rubber Sealed Miniature Deep Groove Ball Bearings for Skateboards, Inline Skates, Scooters (8mm x 22mm x 7mm)

DAFUNY

Based on 486 reviews Check latest price

Product description

Note: Ball bearings are lubricated with imported grease in our factory, please wash thoroughly after contact.



DAFUNY

Live Smart, Live Better.



DAFUNY Ball Bearings

DAFUNY 20 pack 608-2RS ball bearings are made of bearing steel and the lifespan is longer than carbon steel.



Product Features

- These elements can be one of the following types: ball, cylindrical, spherical,

barrel, needle, spindle, ortapered. All rolling bearings are open, shielded, or sealed.

- Sealed bearings are lubricated with oil or grease in the bearing factory, while

open and shielded bearings are meant to be lubricated in place,

with periodic reapplication of lubrication, based on use.

- Theshield protects the working parts of the bearing from environmental debris

that may be introduced and could reduce the ball bearing speed and lifespan.

- Rolling bearings are used in a range of applications from agricultural machinery

to conveying equipment, robotics,dental equipment, elevators, rolling mills, ship rudder shafts, skateboards, inline skates, scooters and aggregate crushers, among others.

  • - DAFUNY Ball Bearings : If these small ball bearings don’t live up to your expectations, please let us know. You take NO RISK when you purchase with us. But we’re betting you’ll fall in love with these 608 bearings , and a team of wild horses couldn’t get them out of your hands and make you send them back. You’ll probably order MORE!
  • - Pack of 20 pcs 608-2RS steel ball bearings (8x22x7mm), double-rubber sealed deep groove.
  • - This 608 2RS shielded 8x22x7 miniature ball bearing is a single-row bearings for supporting radial loads. The bearings is made of bearing steel for durability and resistance to rust, corrosion and deformity under heavy loads, and is Shields on both sides keeping lubricant in and contaminants out.
  • - It has a revolutions per minute (RPM) limit of 34,000 with grease lubrication.
  • - Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads.

User questions & answers

Question: if i have an 8mm steel shaft will it fit or do i need something slightly smaller
Answer: I used a micrometer and it reads 7.92mm inside diameter . hope helps
Question: Do these work for roller skates
Answer: yep, it works well on my roller skates.
Question: What is the abec rating
Answer: The ABEC rating system includes grades 1,3,5,7, and 9. The higher the ABEC rating, the tighter the tolerances are, making the bearing a more precision part. High precision and small tolerances are required for bearings to function at very high RPM, in products like high speed routers that must spin at 20 to 30,000 RPM.
Question: What is the inner diameter
Answer: Regardless of manufacturer, 608 bearings dimensions are, 8 mm Ball Bearing Inner Dimension 8mm X Outer Dimension 22mm X Width 7mm

608RS 8 x 22 x 7 mm Deep Groove Ball Bearing, 10 Pcs 608 2RS, Double Black Rubber Sealed Ball Bearings, Fit for Skateboard Bearings, 3D Printer RepRap Wheel, Roller Skates, Inline Skates (Pack of 10)

iHomie

Based on 629 reviews Check latest price

Product description

This 608RS deep groove ball bearing offers high quality, high speed, low noise, and protect the ball from dust by the shield.



Specifications:

Inner Diameter: 8 mm;

Outer Diameter: 22 mm;

Thickness: 7 mm.



Feathers:



1, Closed with metal shields to protect the bearing from dust or any possible contamination.



2, Widely used in: Roller skates, Skateboarding, Twisting cars, Running shoes, In-line wheels, Double row wheels, MTB, SUV and other Extreme sports equipment.



3, Fit for skateboards, inline skates, roller skates, scooters, and other skating applications, also available for 3D printer wheel bearings, CNC, EMAX, cooling fan etc.



4, Also used in industrial engineering, such as Machinery, Power Transmission, Instrumentation, Household appliances, Internal combustion engines, Transport vehicles, Agricultural machinery, Construction machinery.



Package Content :

10 x 608RS Deep Groove Ball Bearing with Black Rubber Seal Cover

  • [PRODUCT TYPE & MODEL] Model type: 608RS. Product type: Single row deep groove ball bearings. Package Included: 10 pcs 608RS bearings with black rubber seal cover.
  • [608RS DIMENSIONS] Inner Bore = 8 mm; Outer Diameter = 22 mm; Width = 7 mm.
  • [HIGH QUALITY MATERIAL] Material: High quality carbon steel.
  • [PRODUCT FEATURES] Low noise. High speed. High temperature resistance. Resistance to high load. Suitable for kinds of applications.
  • [WIDE APPLICATION] Fit for skateboards, inline skates, roller skates, scooters, and other skating applications, also available for 3D printer wheel bearings, CNC, etc.

User questions & answers

Question: Will this fit a 71749RS bearing?Its for a hoover carpet cleaner
Answer: No it will not fit. 71749RS is an inch bearing. In mm d=6,35mm, D=17,465mm, B=6,28 608RS is 8mm x 22mm x 7mm
Question: Will bearings fir arrma mojave front diff
Answer: i dont know
Question: Do thse bearings have an abec rating
Answer: The bearings that were shipped to me are stamped ABEC-7. I am using them for very light duty, low precision applications.

10 Pack) PGN - R4-2RS Sealed Ball Bearing - C3-1/4"x5/8"x0.196" - Lubricated - Chrome Steel

PGN

Based on 186 reviews Check latest price
  • Dimensions: 1/4"x5/8"x0.196"
  • Rubber seal on both sides
  • 100% Chrome Steel for higher resistance and durability
  • Supports 38,000 rpm
  • Our high-quality bearing is made to reduce your replacement frequency and maintenance cost

User questions & answers

Question: Static load of this bearing
Answer: 4445 newtons
Question: Would this work on a vacuum brush roll
Answer: You might have to modify some things but it would be a great bearing for that.

F687ZZ Flanged Ball Bearing 7x14x5mm Miniature Ball Bearing Double Side Seal Pre-Lubricated Precision Ball Bearings

Donepart

  • F687zz Miniature Flanged Bearings: High accuracy, stable performance, long service life and high reliability.
  • Fanged Bearings Material: premium steel material, anti-corrosion and rustproof, durable in use.
  • Bearing Size: Bore ID=7mm, OD=14mm ,Thickness=5mm; Flange Dia: 16mm
  • Double-sided metal shielded design, waterproof and dustproof. can deliver high performance and high load capacity.
  • F687zz miniature flanged bearings in chrome steel and stainlesss steel suitable for gyros, anemometers, flow meters, miniature gearboxes, small motors.

Product features

Specifications:

Model: F687ZZ Flanged Ball Bearing

Sealed Type: Double Metal

Material: Bearings Steel

Inner Diameter: Approx. 7mm

Outer Diameter: Approx. 14mm

Thickness: Approx. 5mm

Type: Bearing / Ball bearings / Deep Groove Ball Bearings / Single Row / Double Seal

Made of 100% Chrome Steel

Made of the high quality chrome steel, not carbon steel to give you more stability, control and reliability than standard bearings.

Bearing Serving OEM and Maintenance

Ball Bearings, and specifically single row deep groove ball bearings, are the most widely used roller bearing type in the world.

Ball bearings are used to reduce rotational friction and withstand both radial and axial loads.

Both Side Metal Shielded

These metal sealed type bearings provide excellent resistance to contamination of the raceways, and additional greasing is not required as they are pre-lubricated.

Widely Application

Ball Bearing is widely used in Garden Machinery, Industrial Engineering, Home Appliances, Transport Vehicles, Agricultural Machinery, Construction Machinery etc

6x15x5mm Skateboard Bearings Steel Miniature Deep Groove Ball Bearing for Model Pack of 10

JiuWu

Based on 47 reviews Check latest price

Product description

100% New Never Used

Features:

Item:696Z Ball Bearings

Widespread bearing,economic and standard.

Easy Installation & Replacement

Less Friction, Higher Speeds

Durable & Insulation

Specification:

Model:696Z,696ZZ,619/6,R-1560ZZ

Material: Bearing Steel

Inner diameter: 6mm

Outer diameter: 15mm

Thickness: 5mm

Package included:10pcs Ball Bearings

  • Easy Installation & Replacement; Less Friction, Higher Speeds
  • Material: Bearing Steel; Model:696Z,696ZZ,619/6,R-1560ZZ
  • Inner diameter: 6mm
  • Outer diameter: 15mm
  • Thickness: 5mm

User questions & answers

Question: are these bearings shielded from dust / debris
Answer: No, but I am using them in a band saw blade guide, which is subject to lots of dust and debris, and they have worked fine.
Question: Would a 1/4-20 rod fit through? 1/4" is about 6.25mm
Answer: The specs on the bearings say the bore is 0.23". Your 1/4" diameter rod is 0.25". My expectation is that it won't fit.

2 Pack) PGN 6201-2RS Sealed Ball Bearing - C3-12x32x10 - Lubricated - Chrome Steel

PGN

Based on 33 reviews Check latest price
  • Dimensions: 12x32x10
  • Rubber seal on both sides
  • 100% Chrome Steel for higher resistance and durability
  • Supports 22,000 rpm
  • Our high-quality bearing is made to reduce your replacement frequency and maintenance cost

User questions & answers

Question: removed 6201rs -shaft +0.99 why is new 6201zz 0.47- bore
Answer: 6201 is a metric ball bearing that is 12MM (.47") ID and 32MM (1.26") OD and 10 MM (.393") thick

1605-2RS Ball Bearing 5/16" x 29/32" x 5/16" inch Radial Ball Bearing Rubber Sealed and Pre-Lubricated with Grease

Donepart

Based on 2 reviews Check latest price
  • 1605-2RS Bearing: With both rubber sealed, this 1605-2RS bearing can effectively save grease,extending the life of machine.
  • Bearing Material: Made of chrome steel manufacturing, can deliver high performance and high load capacity.
  • 1605-2RS Bearing Sizes: Inner Diameter (ID): 5/16" inch, Outer Diameter (OD): 29/32" inch, Width/Height/Bridth (W/H/B): 5/16" inch
  • Premium Quality: With 10 bearings in One plastic tube, Meet or exceed ABEC3 tolerances for high quality level.
  • Designed for many types of applications: electric motors, automotive starters and alternators, compressors, conveyors, Go Kart wheels, skateboards, outdoor power equipment and many other industrial applications.

Product features

Specifications:

Model: 1605-2RS

Sealed Type: Double Sealed

Material: Bearings Steel

Inner Diameter: Approx. 5/16 inch

Outer Diameter: Approx. 29/32 inch

Thickness: Approx. 5/16 inch

Number of Pack: 10 Pcs

Type: Bearing / Ball bearings / Single Row / Double Seal

Made of 100% Chrome Steel

Made of the high quality chrome steel, not carbon steel to give you more stability, control and reliability than standard bearings.

Used on Skateboards

1605-2rs bearings are used in electric motors, automotive starters and alternators, compressors, conveyors, Go Kart wheels, skateboards, outdoor power equipment and many other industrial applications.

Used on Motor

Bearings are most commonly used in motors, small electric motors, pool pump motors, household appliances motor, etc.

Used on Others

And widely used in Garden Machinery, Industrial Engineering, Home Appliances, Transport Vehicles, Agricultural Machinery, Construction Machinery.

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