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SKF - Double Row Angular Contact Ball Bearing

55 x 120 x 49.2 Polyamide Cage 3311A-2Z/C3MT33
Stock Code:
3311-A-TN9-2Z-C3_SKF
$425.26 incl GST

Stock Locations

  • Ballarat:
    2 In Stock
  • Shepparton:
    Special Order
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Description

3311-A-TN9-2Z-C3 SKF

Double row angular contact ball bearing with seals or shields

Double row angular contact ball bearings, with seals or shields, correspond to a pair of single row angular contact ball bearings in a back-to-back arrangement, while requiring less axial space. Depending on the sealing execution, they can operate at high speeds and are more suitable than deep groove ball bearings for supporting large axial forces in both directions.

  • High-speed capability
  • Accommodate relatively high radial loads, high axial loads in both directions and tilting moments
  • Suitable where a stiff bearing arrangement is required
  • Require less axial space than equivalent pair of single row angular contact ball bearings
  • Integral sealing prolongs bearing service life

Dimensions

Bore diameter55 mm
Outside diameter120 mm
Width49.2 mm
Contact angle30 °

Properties

Contact typeNormal contact (two-point contact)
Number of rows2
Locating feature, bearing outer ringNone
Ring typeOne-piece inner and outer rings
CageSheet metal
Arrangement of contact angle (double-row bearing)Back-to-back (O)
Matched arrangementNo
Universal matching bearingNo
Axial internal clearanceC3
Material, bearingBearing steel
CoatingWithout
SealingShield on both sides
Sealing typeNon-contact
LubricantNone
Relubrication featureWithout

Performance

Basic dynamic load rating112 kN
Basic static load rating81.5 kN
Reference speed6 000 r/min
Limiting speed5 300 r/min
SKF performance classSKF Explorer
 
 
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Details

  • Bore Size:
    55 mm
  • Material:
    Chrome Steel
  • Width:
    49.2 mm
  • Brand:
    SKF
  • Metric/Imperial:
    Metric
  • Diameter Outside:
    120 mm

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