D(mm) 

△Dmp

VDp

VDmp

Kea

△Cs 

Vcs

Open Bearings

Sealed Bearings

9

0，1

2，3，4

2，3，4

Over

to

<

≤

max

max

max

<

≤

max

2.5

6

0

-8

10

8

6

10

6

15

Same as ∆Bs and VBs of inner ring

6

18

0

-8

10

8

6

10

6

15

18

30

0

-9

12

9

7

12

7

15

30

50

0

-11

14

11

8

16

8

20

50

80

0

-13

16

13

10

20

10

25

80

120

0

-15

19

19

11

26

11

35

120

150

0

-18

23

23

14

30

14

40

150

180

0

-25

31

31

19

38

19

45

180

250

0

-30

38

38

23

23

50

250

315

0

-35

44

44

26

26

60

315

400

0

-40

50

50

30

30

70

400

500

0

-45

56

56

34

34

80

500

630

0

-50

63

63

38

38

100

630

800

0

-75

94

94

55

55

120

800

1000

0

-100

125

125

75

75

140

1000

1250

0

-125

160

1250

1600

0

-160

190

1600

2000

0

-200

220

2000

2500

0

-250

250

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.

D (mm):Nominal Outside Diameter

∆Dmp:Single Plane Mean Outside Diameter Deviation

VDp:Single Radial Plane Outside Diameter Variation

VDmp:Mean Outside Diameter Variation

Kea:Radial Runout of Outer Ring

∆Cs:Single Width Deviation

VCs:Width Variation