P6 class tolerances for radial bearings

Inner ring -- P6 class tolerances for radial bearings, except tapered roller bearings

d tΔdmp1) tVdsp1) tVdmp tΔBs tVBs tKia  
    Diameter series          
> U L 7, 8, 92) 0, 1   2, 3, 4   All Normal Modified3)      
mm μm μm μm μm μm μm  
                           
2,5 0 –7 9 7 5 5 0 –40 12 5  
2,5 10 0 –7 9 7 5 5 0 –120 –250 15 6  
10 18 0 –7 9 7 5 5 0 –120 –250 20 7  
 
18 30 0 –8 10 8 6 6 0 –120 –250 20 8  
30 50 0 –10 13 10 8 8 0 –120 –250 20 10  
50 80 0 –12 15 15 9 9 0 –150 –380 25 10  
 
80 120 0 –15 19 19 11 11 0 –200 –380 25 13  
120 180 0 –18 23 23 14 14 0 –250 –500 30 18  
180 250 0 –22 28 28 17 17 0 –300 –500 30 20  
 
250 315 0 –25 31 31 19 19 0 –350 –500 35 25  
315 400 0 –30 38 38 23 23 0 –400 –630 40 30  
400 500 0 –35 44 44 26 26 0 –450 45 35  
 
500 630 0 –40 50 50 30 30 0 –500 50 40  
630 800 0 –50 0 –750 55 45  
800 1 000 0 –60 0 –1 000 60 50  
 
1 000 1 250 0 –75 0 –1 250 70 60  
1 250 1 600 0 –90 0 –1 600 70 70  
1 600 2 000 0 –115 0 –2 000 80 80  

Outer ring -- P6 class tolerances for radial bearings, except tapered roller bearings

D tΔDmp tVDsp4)   tVDmp4) tΔCs tKea
    Open bearings 
Diameter series
Capped bearings5)     tVCs  
> U L 7, 8, 92) 0, 1 2, 3, 4 0, 1, 2, 3, 4       
mm μm μm μm μm   μm
                       
2,5 18 0 –7 9 7 5 9   5 Identical to 
tΔBs and tVBs
of an inner ring 
of the same 
bearing as the 
outer ring
8
18 30 0 –8 10 8 6 10   6 9
30 50 0 –9 11 9 7 13   7 10
 
50 80 0 –11 14 11 8 16   8 13
80 120 0 –13 16 16 10 20   10 18
120 150 0 –15 19 19 11 25   11 20
 
150 180 0 –18 23 23 14 30   14 23
180 250 0 –20 25 25 15   15 25
250 315 0 –25 31 31 19   19 30
 
315 400 0 –28 35 35 21   21 35
400 500 0 –33 41 41 25   25 40
500 630 0 –38 48 48 29   29 50
 
630 800 0 –45 56 56 34   34 60
800 1 000 0 –60 75 75 45   45 75
1 000 1 250 0 –75   85
 
1 250 1 600 0 –90   100
1 600 2 000 0 –115   100
2 000 2 500 0 –135   120
  1. Tolerances for tapered bores.
  2. Diameter series 7 and 8 not covered by ISO 492:2014.
  3. Applies to inner rings and outer rings of bearings of matched bearing sets consisting of two or more bearings. Does not apply to universally matchable angular contact ball bearings.
  4. Applies to bearings prior to mounting and after removal of internal or external snap ring.
  5. Capped bearings are sealed or shielded bearings.

Normal tolerances for radial bearings

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