SKF radial spherical plain bearings internal clearance

SKF radial spherical plain bearings are produced with Normal radial internal clearance as standard. Prior to ordering, check availability of bearings with a smaller (C2) or larger (C3) radial internal clearance than Normal.

Radial internal clearance for steel/steel and SKF Explorer steel/steel radial spherical plain bearings, metric sizes

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.

Radial internal clearance for steel/steel and SKF Explorer steel/steel radial spherical plain bearings, inch sizes

Bore diameter Radial internal clearance
d C2 Normal C3
over incl. min. max. min. max. min. max.
mm μm μm μm
2,540 15,875 15 75 50 150 150 200
15,875 50,800 25 105 80  180 180 260
50,800 76,200 30 130 100 200 200 300
76,200 152,400 40 160 130 230 230 350

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