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medias® Home Rolling and plain bearings, accessories 12 1228-M
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Self-aligning ball bearings 1228-M

main dimensions to DIN 630

Self-aligning ball bearings 1228-M, main dimensions to DIN 630
Radial loadAxial load in one directionAxial load in two directionsStatic angular error and misalignmentDynamic angular error and misalignmentNot sealedGrease lubricationOil lubrication
Self-aligning ball bearings 1228-M, main dimensions to DIN 630
 
d 140  mm 
   
D 250  mm 
   
B 50  mm 
   
 
D1 221,2  mm 
   
Da max 236  mm 
   
d1 175  mm 
   
da min 154  mm 
   
ra max 2,5  mm 
   
rmin 3  mm 
   
 
m 11,2  kg 
  Mass
Cr 163000  N 
  Basic dynamic load rating, radial
e 0,21 
   
Y1 3,05 
   
Y2 4,71 
   
C0r 74000  N 
  Basic static load rating, radial
Y0 3,19 
   
nG 4300  1/min 
  Limiting speed
nB 4950  1/min 
  Reference speed
Cur 3300  N 
  Fatigue limit load, radial