Radial internal clearance for steel/steel and SKF Explorer steel/steel radial spherical plain bearin

Bore diameter		Radial internal clearance
d		C2		Normal		C3
over	incl.	min.	max.	min.	max.	min.	max.
mm		μm		μm		μm
2.5	12	8	32	32	68	68	104
12	20	10	40	40	82	82	124
20	35	12	50	50	100	100	150
35	60	15	60	60	120	120	180
60	90	18	72	72	142	142	212
90	140	18	85	85	165	165	245
140	200	18	100	100	192	192	284
200	240	18	110	110	214	214	318
240	300	18	125	125	239	239	353

Bearings in the GEH series, with a bore diameter d = 20, 35, 60 and 90 mm, have a radial internal clearance range corresponding to the next larger diameter range