Tolerance Class P6 - Outer Ring (Precision Standards)
Nominal OutsideDiameter D (mm) ΔDmp(μm) VDp (μm) VDmp(μm) Kea(μm) ΔCs(μm) VCs(μm)
Open (9,0,1) Open (2,3,4) Sealed (2,3,4)
Over Up to max / min max max max max max max / min max
2.5 0 / -7 9 7 9 5 8 Same as ΔBs and VBs of inner ring 8
6 18 0 / -7 9 7 9 5 8 8
18 30 0 / -8 10 8 10 6 9 9
30 50 0 / -9 11 9 13 7 10 10
50 80 0 / -11 14 11 16 8 13 13
80 120 0 / -13 16 16 20 10 18 18
120 150 0 / -15 19 19 25 11 20 20
150 180 0 / -18 23 23 30 14 23 23
180 250 0 / -20 25 25
15 25 25
250 315 0 / -25 31 31
19 30 30
315 400 0 / -28 35 35
21 35 35
400 500 0 / -33 41 41
25 40 40
500 630 0 / -38 48 48
29 50 50
630 800 0 / -45 56 56
34 60 60
800 1000 0 / -60 75 75
45 75 75
Technical Notes
1) No specified values for diameter series 7 and 8.
2) Applicable before installation or after removal of inner and outer retaining rings.
3) No specified values for closed-type bearings in diameter series 9, 0, and 1.
Term Definitions
D: Nominal Outside Diameter | ΔDmp: Single Plane Mean Outside Diameter Deviation | VDp: Single Radial Plane Outside Diameter Variation | VDmp: Mean Outside Diameter Variation | Kea: Radial Runout of Outer Ring | ΔCs: Single Width Deviation | VCs: Width Variation