W 638/5-2Z
W 638/5-2Z Bearings
W 638/5 R-2Z
W 638/5 R-2Z Bearings

W 638/5-2RS1 Bearings

W 638/5-2RS1
W 638/5-2RS1 Bearings

W 638/5-2RS1 Bearings Deep groove ball bearings

Technical Specification of W 638/5-2RS1 Bearings

Technical Specification of W 618/0.6 Bearings

Dimensions of W 638/5-2RS1 Bearings

5 mm
Bore diameter
11 mm
Outside diameter
5 mm
6.2 mm
Recess diameter
9.9 mm
Recess diameter
min.0.15 mm
Chamfer dimension

Abutment Dimensions of W 638/5-2RS1 Bearings

min.5.9 mm
Diameter of shaft abutment
max.6.1 mm
Diameter of shaft abutment
max.10 mm
Diameter of housing abutment
max.0.15 mm
Radius of shaft or housing fillet
Technical Specification of W 618/0.6 Bearings

Caliculation Data of W 638/5-2RS1 Bearings

Basic dynamic load ratingC
0.403 kN
Basic static load ratingC0
0.143 kN
Fatigue load limitPu
0.006 kN
Limiting speed 
34 000 r/min
Minimum load factorkr
Calculation factorf0

Mass of W 638/5-2RS1 Bearings

Mass bearing
0.0018 kg

Tolerance Class of W 638/5-2RS1 Bearings

Dimensional tolerances
Radial run-out

Product Features of W 638/5-2RS1 Bearings

  • Low friction and operating temperature, low noise and vibration
  • High operating speeds
  • High quality and performance for your application
  • Withstands radial and axial loads in both directions
  • A wide range of greases for most conditions, including food grade greases, high temperature greases and solid oils
  • Improves reliability and provides long bearing and lubricant life

Applications of W 638/5-2RS1 Bearings

Deep groove ball bearings are the most widely used bearing type and are suitable for many different industries. Matching the versatility of many different applications, they are available in a wide range of designs, variants and sizes. The following are examples of applications where deep groove ball bearings may be used.

Applications of W 618/0.6 Bearings
Applications of Bearings
Wind Turbines
Applications of Bearings
Steel Industry
Applications of Bearings
Applications of Bearings
Food Processing Machinery
Applications of Bearings
Applications of Bearings
Mining & Construction
Applications of Bearings
Electric motors and generators

Product classification of Deep Groove Ball Bearings

FAQ of W 638/5-2RS1 Bearings

Loads are defined by their direction. Loads perpendicular to the shaft are called radial loads and loads parallel to the shaft are called axial (thrust) loads.

DGBB can carry axial loads in both directions, whereas angular contact ball bearings can only carry axial loads in one direction.

Seals and shields provide additional protection for the bearing components and help to improve and maintain lubrication. In terms of sealing performance, sealed bearings rank best, followed by shielded bearings and finally open bearings.

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