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SKF

SKF 6311 NR single-row groove ball bearing cylindrical 55x120x29 mm

Recommended Retail Price €177.28
87.60 tax incl.
€72.40 excl. VAT (incl. all environmental contributions)
On order: delivered from 28/05/2026
each

  • Delivery by DHL

Product description

Single row deep groove ball bearings with a snap ring groove are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types. The snap ring, fitted in an annular groove in the outer ring, facilitates axial location of the bearings within their housings.

  • Snap ring facilitates axial location within housing
  • Simple, versatile and robust design
  • Low friction and high-speed capability
  • Accommodate radial and axial loads in both directions
  • Require little maintenance
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: 07316577612854
  • Supplier number: SKF 6311 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
45
Material, bearing
Bearing steel
Relubrication feature
Without
Reference speed
12000
Skf performance class
SKF Explorer
Lubricant
None
Cage
Sheet metal
Locating feature, bearing outer ring
Snap ring (fitted)
Filling slots
Without
Coating
Without
Sealing
Without
Limiting speed
8000
Bore diameter
55
Basic dynamic load rating
74.1
Outside diameter
120
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