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Radial internal clearance of super-precision cylindrical roller bearings












































Bore diameter Radial internal clearance

Bearings with a cylindrical bore Bearings with a tapered bore
d C1 SPC2 Normal C3 C1 SPC2
over incl. min. max. min. max. min. max. min. max. min. max. min. max.
mm µm µm














24 30 5 15 10 25 20 45 35 60 15 25 25 35
30 40 5 15 12 25 25 50 45 70 15 25 25 40
40 50 5 18 15 30 30 60 50 80 17 30 30 45














50 65 5 20 15 35 40 70 60 90 20 35 35 50
65 80 10 25 20 40 40 75 65 100 25 40 40 60
80 100 10 30 25 45 50 85 75 110 35 55 45 70














100 120 10 30 25 50 50 90 85 125 40 60 50 80
120 140 10 35 30 60 60 105 100 145 45 70 60 90
140 160 10 35 35 65 70 120 115 165 50 75 65 100














160 180 10 40 35 75 75 125 120 170 55 85 75 110
180 200 15 45 40 80 90 145 140 195 60 90 80 120
200 225 15 50 45 90 105 165 160 220 60 95 90 135














225 250 15 50 50 100 110 175 170 235 65 100 100 150
250 280 20 55 55 110 125 195 190 260 75 110 110 165
280 315 20 60 60 120 130 205 200 275 80 120 120 180














315 355 20 65 65 135 145 225 225 305 90 135 135 200
355 400 25 75 75 150 190 280 280 370 100 100 150 225
400 450 25 85 85 170 210 310 310 410 110 170 170 255














450 500 25 95 95 190 220 330 330 440 120 190 190 285
500 560 25 105 105 210 240 360 360 480 130 210 210 315
560 630 25 115 115 230 260 380 380 500 140 230 230 345














630 710 30 130 130 260 260 380 380 500 160 260 260 390
710 800 35 145 145 290 290 425 425 565 180 290 290 435

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