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SKF

SKF 311 NR single-row groove ball bearing cylindrical 55x120x29 mm

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Product description:

  • Deep groove ball bearings are particularly versatile
  • They are simple in design, not removable, suitable for high to very high speeds and are very robust in operation, requiring little maintenance
  • Deep raceways and close contact between raceways and balls make deep groove ball bearings suitable not only for radial loads, but also for axial loads in both directions, even at high speeds
Key features according to our expert
  • Inner diameter: 55 mm
  • Width: 29 mm
  • Number of rows: 1
  • Seal (bearing): Without seal
  • Material (bearing seal): Not applicable
  • Radial clearance: CN (Normal)
  • Material (bearing): Steel
  • Material (cage): Brass (sheet)
  • Bore type: Cylindrical
  • High temperature: No
  • Outer diameter: 120 mm
Specifications / All features
  • Brand: SKF
  • EAN: 7316576680519
  • Supplier number: SKF 311 NR
Inner diameter
55 mm
Width
29 mm
Number of rows
1
Seal (bearing)
Without seal
Material (bearing seal)
Not applicable
Radial clearance
CN (Normal)
Material (bearing)
Steel
Material (cage)
Brass (sheet)
Bore type
Cylindrical
High temperature
No
Outer diameter
120 mm
Matched arrangement
No
Tolerance class
Normal
Radial internal clearance
CN
Basic static load rating
67 kN
Material, bearing
Bearing steel
Relubrication feature
Without
Reference speed
10,000 r/min
Lubricant
None
Cage
Sheet metal
Locating feature, bearing outer ring
Snap ring (fitted)
Filling slots
With
Coating
Without
Sealing
Without
Limiting speed
6,300 r/min
Bore diameter
55 mm
Basic dynamic load rating
79.2 kN
Outside diameter
120 mm
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