Ball Bearings

A ball bearing is a rolling bearing used within the power transmission industry which features metal balls between a rotating or oscillating shaft and outer ring. With applications in everything from bicycle wheels to aerospace engineering, ball bearings are designed to reduce rotational friction while supporting radial loads. Incorporating a rolling element that guarantees a low coefficient of friction. Ball bearings ensure smooth and uninterrupted rotation of, for example, an axle or motor shaft.


The only way for a ball bearing to operate efficiently or at high speeds is with the right lubrication which can work at high temperatures. The correct oil or grease lubricant has to be used with each bearing depending on its nominal lifespan and load. For further information about ball bearings and how to decipher the codes on them, see our ball bearings guide.

Ball bearings that spin at high speeds require lubricant and a clean environment. Having the ball bearings shielded offers better protection against dirt and grease, therefore, the ball bearings have a longer lifespan. Sealed ball bearing offer reliability as they reduce the risk of dust and dirt entering the ball bearing mechanism. They also help to preserve the lubricant within the bearing and keep it running smoother, for longer.

Types of Ball Bearings

Ball bearings are used in machines to lessen and transform sliding friction to rolling friction and support radial and axial loads. Ball bearings are available in open and sealed versions, depending on the environmental requirements. They are also available in a range of diameters, supplied in metric sizes. Types include:

  • Deep-groove ball bearings for when higher load capacity is required. Deep Groove refers to the race (the groove where the balls rest). There is therefore a larger space between the inner and outer rings, than the diameter of the ball. This leaves space for the rubber seals.
  • Angular Contact ball bearings
  • Single-row ball bearings are the most common
  • Linear ball bearings
  • Miniature ball bearings
  • Radial deep groove ball bearing
  • Self-aligning ball bearings used with long shafts
  • Thrust ball bearings
  • Ceramic bearings resistant to corrosion and very little lubrication
  • Shielded bearings
  • Double row bearings have two rows
  • Caged bearings secure the balls

Ball bearings are used in objects with moving parts and have many applications. These include quite specific uses such as in computer fans, watches, gearboxes and children's toys as well as:

  • Food and Beverage Industry
  • Pharmaceutica
  • Medical industry
  • Engines and Pumps
  • Motorsports
  • Printing

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Description Prix Inside Diameter Outside Diameter Ball Bearing Type Race Width End Type Flange Outside Diameter Number of Rows Static Load Rating Material Ball Material Cage Material Race Material Race Type Dynamic Load Rating
N° de stock RS 442-0183
Référence fabricant6201-2RSH
MarqueSKF
5,76 €
Each
Unité
12mm 32mm Deep Groove 10mm Sealed - 1 3.1kN Steel - Steel - Plain 7.28kN
N° de stock RS 408-9883
Référence fabricant608ZZ1MC3E
MarqueNSK
4,58 €
Each
Unité
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel - Steel - Plain 3.3kN
N° de stock RS 441-9953
Référence fabricant608-2RSH
MarqueSKF
5,18 €
Each
Unité
8mm 22mm Deep Groove 7mm Sealed - 1 1.37kN Steel - Steel - Plain 3.45kN
N° de stock RS 505-580
Référence fabricant3202A-2RS1TN9/MT33
MarqueSKF
39,81 €
Each
Unité
15mm 35mm Angular Contact 15.9mm Sealed - 2 6.8kN Steel - Fibreglass Reinforced Nylon 66 - Plain 11.2kN
N° de stock RS 747-771
Référence fabricantDDL-1060ZZMTP24LY121
MarqueNMB
7,285 €
Each (In a Pack of 2)
Unité
6mm 10mm Radial 3mm Shielded - 1 194N Steel Martensitic Stainless Steel - Martensitic Stainless Steel Plain 457N
N° de stock RS 619-0121
Référence fabricant6001-2RS
MarqueRS PRO
2,97 €
Each
Unité
12mm 28mm Deep Groove 8mm Sealed - 1 2.36kN Steel - - - Plain 5.07kN
N° de stock RS 442-0098
Référence fabricant6204-2RSH
MarqueSKF
7,90 €
Each
Unité
20mm 47mm Deep Groove 14mm Sealed - 1 6.55kN Steel - Steel - Plain 13.5kN
N° de stock RS 618-9890
Référence fabricant624-2Z
MarqueRS PRO
2,14 €
Each
Unité
4mm 13mm Miniature 5mm Shielded - 1 488N Steel - - - Plain 1.301kN
N° de stock RS 286-7574
Référence fabricant6000-2Z
MarqueSKF
5,03 €
Each
Unité
10mm 26mm Deep Groove 8mm Shielded - 1 1.96kN Steel - Steel - Plain 4.75kN
N° de stock RS 893-0338
Référence fabricantW61903-2RS1
MarqueSKF
33,80 €
Each
Unité
17mm 30mm Deep Groove 7mm Sealed - 1 2.55kN Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 3.97kN
N° de stock RS 893-7464
Référence fabricantSS61901-2RS
MarqueRS PRO
4,82 €
Each
Unité
12mm 24mm Deep Groove 6mm Sealed - 1 1.2kN Stainless Steel - - - Plain 2.32kN
N° de stock RS 442-0082
Référence fabricant6202-2RSH
MarqueSKF
6,16 €
Each
Unité
15mm 35mm Deep Groove 11mm Sealed - 1 3.75kN Steel - Steel - Plain 8.06kN
N° de stock RS 408-9726
Référence fabricant624ZZ
MarqueNSK
4,58 €
Each
Unité
4mm 13mm Radial 5mm Shielded - 1 480N Steel - Steel - Plain 1.34kN
N° de stock RS 747-787
Référence fabricantDDR-1560ZZMTP24LY121
MarqueNMB
5,675 €
Each (In a Pack of 2)
Unité
6mm 15mm Radial 5mm Shielded - 1 671N Steel Martensitic Stainless Steel - Martensitic Stainless Steel Plain 1.735kN
N° de stock RS 540-299
Référence fabricantDDLF1280ZZHA5P24LY121
MarqueNMB
8,365 €
Each (In a Pack of 2)
Unité
8mm 12mm Radial 3.5mm Shielded 13.2mm 1 246N Steel Martensitic Stainless Steel - Martensitic Stainless Steel Flanged 506N
N° de stock RS 408-9754
Référence fabricant625ZZ
MarqueNSK
3,35 €
Each
Unité
5mm 16mm Deep Groove 5mm Shielded - 1 670N Steel - Steel - Plain 1.73kN
N° de stock RS 619-0446
Référence fabricant6005-2RS
MarqueRS PRO
4,67 €
Each
Unité
25mm 47mm Deep Groove 12mm Sealed - 1 6.55kN Steel - - - Plain 11.2kN
N° de stock RS 285-0497
Référence fabricant61800-2Z
MarqueSKF
11,54 €
Each
Unité
10mm 19mm Deep Groove 5mm Shielded - 1 590N Steel - Steel - Plain 1.38kN
N° de stock RS 409-0057
Référence fabricant6001ZZ
MarqueNSK
5,47 €
Each
Unité
12mm 28mm Deep Groove 8mm Shielded - 1 2.37kN Steel - Steel - Plain 5.1kN
N° de stock RS 442-0010
Référence fabricant6004-2RSH
MarqueSKF
7,36 €
Each
Unité
20mm 42mm Deep Groove 12mm Sealed - 1 5kN Steel - Steel - Plain 9.95kN