SKF QJ211MA bearings
SKF four-point contact ball bearing, SKF Explorer

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SKF four-point contact ball bearing, SKF Explorer
Measurement system
Metric
Bore diameter
55.000 mm
Outside diameter
100.000 mm
Width
21.000 mm
Cr
85000 N
C0r
83000 N
Limiting speed
11000 r/min
Net weight
0.758 kg
Number of rows
1
Contact angle deg
35
Sealing
Without
Locating feature
Without
Cage
Machined brass
Bearing material
Steel
Rolling material
Steel
Internal clearance
CN
Lubricant in bearing
None
Relubrication feature
Without

In stock

Technical specification for SKF QJ211MA

SKF QJ211MA
Part Number QJ211MA
Description SKF four-point contact ball bearing, SKF Explorer
Number of rows 1
Locating feature Without
Cage Machined brass
Axial internal clearance CN
Dimensions
d 55.0 mm Bore diameter
D 100.0 mm Outside diameter
B 21.0 mm Width
d1 ≈66 mm Shoulder diameter inner ring
D1 ≈84.7 mm Shoulder diameter outer ring
a 54 mm Distance pressure point(s)
r1,2 min. 1.5 mm Chamfer dimension
Calculation Data
da min. 64 mm Abutment diameter shaft
Da max. 91 mm Abutment diameter housing
ra max. 1.5 mm Fillet radius
Abutment dimensions
C 85.0 kN Basic dynamic load rating
C0 83.0 kN Basic static load rating
Pu 3.55 kN Fatigue load limit
  11000.0 r/min Limiting speed
SKF four-point contact ball bearing, SKF Explorer

Four-point contact ball bearings can accommodate high axial loads in both directions and small radial loads. They can operate at very high speeds and are more suitable than deep groove ball bearings for supporting large axial forces. The outer ring, with ball and cage assembly, can be mounted separately from the two inner ring halves.
Dimensions and Performance of SKF QJ211MA:

  • Bore diameter: 55.0 mm
  • Outside diameter: 100.0 mm
  • Width: 21.0 mm
  • Contact angle: 35°
  • Basic dynamic load rating: 85.0 kN
  • Basic static load rating: 83.0 kN
  • Limiting speed: 11000.0 r/min

 

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