NJN Bearing is a professional bearing manufacturer of small ball and roller bearings.，deep groove ball bearing ，pillow block bearing，taper roller bearing, custom bearing...

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Internal Clearance

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