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         | d 25
mm D 47
mm B 12
mm a 21
mm D1 39,7
mm Da max 43,8
mm Db max 45
mm d1 34,1
mm da min 28,2
mm r1 min 0,3
mm ra max 0,6
mm ra1 max 0,3
mm rmin 0,6
mm m 0,071
kg Mass Cr 14900
N Basic dynamic load rating, radial e X Y Y0 C0r 8600
N Basic static load rating, radial nG 16000
1/min Limiting speed nB 12200
1/min Reference speed Cur 580
N Fatigue limit load, radial |
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| N228Q1 bearing | 140 | 250 | 42 |
| N228EM bearing | 140 | 250 | 42 |