Internal clearance

internal clearance

Clearance is gap amid bearing inner ring, outer ring, ball package. Bearing has radial clearance and axial clearance.

Deep-groove ball bearing radial clearance

Nominal bearing inner diameter d（mm）		Clearance
Nominal bearing inner diameter d（mm）		C2		CN		C3		C4		C5
Exceed	Below	Min.	Max.	Min.	Max.	Min.	Max.	Min.	Max.	Min.	Max.
10 (Be limited to)	-	0	7	2	13	8	23	14	29	20	37
10	18	0	9	3	18	11	25	18	33	25	45
18	24	0	10	20	5	13	25	20	36	25	48
24	30	1	11	5	20	13	28	23	41	30	53
30	40	1	11	6	20	15	33	28	46	40	64
40	50	1	11	6	23	18	36	30	51	45	73
50	65	1	15	8	28	23	43	38	61	55	60
65	80	1	15	10	30	25	51	46	71	65	105
80	100	1	18	12	36	30	58	53	84	75	120