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skf_21308ew
SKF

SKF 21308 EW double-row cylindrical roller bearing 40 x 90 x 23 mm

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Product description:

  • Spherical roller bearings, also called pendulum roller bearings, have two rows of rollers with a common spherical raceway in the outer ring
  • The two raceways of the inner ring are at an angle to the centre line of the shaft
  • The bearings can adjust and are therefore insensitive to shaft misalignment relative to the housing and to shaft deflection
  • Spherical roller bearings can support not only high radial loads but also axial loads in both directions
Key features according to our expert
  • Inner diameter: 40 mm
  • Width: 23 mm
  • Number of rows: 2
  • Seal (bearing): Without seal
  • Material (bearing seal): Not applicable
  • Radial clearance: CN (Normal)
  • Material (cage): Brass (sheet)
  • Bore type: Cylindrical
  • Outer diameter: 90 mm
Specifications / All features
  • Brand: SKF
  • EAN: 7316571904917
  • Supplier number: SKF 21308 EW
Inner diameter
40 mm
Width
23 mm
Number of rows
2
Seal (bearing)
Without seal
Material (bearing seal)
Not applicable
Radial clearance
CN (Normal)
Material (cage)
Brass (sheet)
Bore type
Cylindrical
Outer diameter
90 mm
Basic static load rating
108 kN
Locating feature, bearing outer ring
Without
Tolerance class
Normal
Radial internal clearance
CN
Lubricant
None
Relubrication feature
Without
Reference speed
7,000 r/min
Skf performance class
SKF Explorer
Tolerance class for dimensions
Normal
Cage
Sheet metal
Sealing
Without
Basic dynamic load rating
107 kN
Limiting speed
9,500 r/min
Tolerance class for run-out
P5
Bore diameter
40 mm
Outside diameter
90 mm
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