Ningbo Kecheng Bearing Co.,Ltd.

Deep Groove Ball Bearings Tolerance Class ABEC-1 (P0)

Inner Ring

Unit：μm

Note: (1) 0.6 is also included. (2) Diameters 7,8 series have no values.

Outer Ring

Unit：μm

Nominal outside diameter of bearing (D/mm)		ΔDmp		VDp⑵				VDmp	Kea	ΔCs		VCs
				Diameter Series
				open type			closed type(3)
				9	0,1	2,3,4	2,3,4
More than	to	Upper Limit	Lower Limit	maximum				maximum	maximum	Upper Limit	Lower Limit	maximum
2.5(1)	6	0	-8	10	8	6	10	6	15	with bearing inner ring ΔBs、VBs are the same
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

Note: (1) 2.5 is also included. (2) Diameters 7,8 series have no values. (3) Diameter 9,0,1 series have no values.