Parameter—Bearing | deep groove ball bearing

　

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(μm)

Nominal Inside Diameter d(mm)		△dmp Single Plane Averaged I.D.Error								△Bs,△Cs Inside Ring or Outside Ring Single Width Error				Nominal Outside Diameter D(mm)		△dmp Single Plane Averaged O.D.Error
Nominal Inside Diameter d(mm)		0 Grade 0		6 Grade 6		5 Grade 5		4 Grade 4		0、6 Grade 0 and 6		5、4 Grade 5 and 4		Nominal Outside Diameter D(mm)		0 Grade 0		6 Grade 6		5 Grade 5		4 Grade 4
Over Up-to		Up Down		Up Down		Up Down		Up Down		Up Down		Up Down		Over Up-to		Up Down		Up Down		Up Down		Up Down
2.5	10	0	-8	0	-7	0	-5	0	-4	0	-120	0	-40	6	18	0	-8	0	-7	0	-5	0	-4
10	18	0	-8	0	-7	0	-5	0	-4	0	-120	0	-80	18	30	0	-9	0	-8	0	-7	0	-5
18	30	0	-10	0	-8	0	-6	0	-5	0	-120	0	-120	30	50	0	-11	0	-9	0	-7	0	-6
30	50	0	-12	0	-10	0	-8	0	-6	0	-120	0	-120	50	80	0	-13	0	-11	0	-9	0	-7
														80	120	0	-15	0	13	0	-10	0	-8

d(mm) Nominal Inside Diameter		Group MC1		Group MC2		Group MC3		Group MC4		Group MC5		Group MC6
Over	Up-to	Min.	Max.	Min.	Max.	Min.	Max.	Min.	Max.	Min.	Max.	Min.	Max.
-	9	0	5	3	8	5	10	8	13	13	20	20	28
Nominal Inside Diameter		Group C2		Group CM(motor only)		Standard Group CN		Group C3		Group C4		Group C5
Over	Up-to	Group C2		Group CM(motor only)		Standard Group CN		Group C3		Group C4		Group C5
	10	0	7	3	10	2	13	8	23	14	29	20	37
10	18	0	9	4	11	3	18	11	25	18	33	25	45
18	24	0	10	5	12	5	20	13	28	20	36	28	48
24	30	1	11	5	12	5	20	13	28	23	41	30	53
30	40	1	11	9	17	6	20	15	33	28	46	40	64
40	50	1	11	9	17s	6	23	18	36	30	51	45	73

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deep groove ball bearings　