Ningbo Kecheng Bearing Co.,Ltd.

TECHNICAL PARAMETER

Deep Groove Ball Bearings Tolerance Class ABEC-5 (P5)

Inner Ring

Unit：μm

Nominal bearing bore (d/mm)		Δdmp		Vdp⑵		Vdmp	Kia	Sd	Sia(3)	ΔBs		VBs
				Diameter Series
				9	0,1,2,3,4
More than	to	Upper Limit	Lower Limit	maximum		maximum	maximum	maximum	maximum	Upper Limit	Lower Limit	maximum
0.6(1)	2.5	0	-5	5	4	3	4	7	7	0	-40	5
2.5	10	0	-5	5	4	3	4	7	7	0	-40	5
10	18	0	-5	5	4	3	4	7	7	0	-80	5
18	30	0	-6	6	5	3	4	8	8	0	-120	5
30	50	0	-8	8	6	4	5	8	8	0	-120	5
50	80	0	-9	9	7	5	5	8	8	0	-150	6
80	120	0	-10	10	8	5	6	9	9	0	-200	7
120	180	0	-13	13	10	7	8	10	10	0	-250	8

Note: (1) 0.6 is also included. (2) Diameters 7,8 series have no values. (3) Only for deep groove ball bearings.

Outer Ring

Unit：μm

Nominal outside diameter of bearing (D/mm)		ΔDmp		VDp⑵(3)		VDmp	Kea	SD(4)	Sea(4)(5)	ΔCs		VCs
				Diameter Series
				9	0,1,2,3,4
More than	to	Upper Limit	Lower Limit	maximum		maximum	maximum	maximum	maximum	Upper Limit	Lower Limit	maximum
2.5(1)	6	0	-5	5	4	3	5	8	8	with bearing inner ring ΔBs、VBs are the same		5
6	18	0	-5	5	4	3	8	8	8			5
18	30	0	-6	6	5	3	6	8	8			5
30	50	0	-7	7	5	4	7	8	8			5
50	80	0	-9	9	7	5	8	8	10			6
80	120	0	-10	10	8	5	10	9	11			8
120	150	0	-11	11	8	6	11	10	13			8
150	180	0	-13	13	10	7	13	10	14			8
180	250	0	-15	15	11	8	15	11	15			10

Note: (1) 2.5 is also included. (2) Diameters 7,8 series have no values. (3) No value for dust cap and seal bearing. (4) No value for flange bearings. (5) Only for deep groove ball bearings.

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TECHNICAL PARAMETER

Deep Groove Ball Bearings Tolerance Class ABEC-5 (P5)