NTN - Ball and Roller Bearings

Standard tolerance values for radial internal clearance of cylindrical
roller bearings with cylindrical bore and interchangeable component.
CLEARANCE
TABLES
Table 20 (Clearance Limits in 0.001 mm)
CYLINDRICAL ROLLER BEARINGS (cylindrical bore; interchangeable component)
Nominal Bore
d
mm
C2
Less than Normal
Clearance
Normal Clearance
C3
Greater than
Normal Clearance
C4
Greater than
C3 Clearance
C5
Greater than
C4 Clearance
Over Incl. Min Max Min Max Min Max Min Max Min Max
— 10 0 25 20 45 35 60 50 75 — —
10 24 0 25 20 45 35 60 50 75 65 90
24 30 0 25 20 45 35 60 50 75 70 95
30 40 5 30 25 50 45 70 60 85 80 105
40 50 5 35 30 60 50 80 70 100 95 125
50 65 10 40 40 70 60 90 80 110 110 140
65 80 10 45 40 75 65 100 90 125 130 165
80 100 15 50 50 85 75 110 105 140 155 190
100 120 15 55 50 90 85 125 125 165 180 220
120 140 15 60 60 105 100 145 145 190 200 245
140 160 20 70 70 120 115 165 165 215 225 275
160 180 25 75 75 125 120 170 170 220 250 300
180 200 35 90 90 145 140 195 195 250 275 330
200 225 45 105 105 165 160 220 220 280 305 365
225 250 45 110 110 175 170 235 235 300 330 395
250 280 55 125 125 195 190 260 260 330 370 440
280 315 55 130 130 205 200 275 275 350 410 485
315 355 65 145 145 225 225 305 305 385 455 535
355 400 100 190 190 280 280 370 370 460 510 600
400 450 110 210 210 310 310 410 410 510 565 665
450 500 110 220 220 330 330 440 440 550 625 735
Table 20-A (Clearance Limits in 0.0001 inch)
CYLINDRICAL ROLLER BEARINGS (cylindrical bore; interchangeable component)
Nominal Bore
d
inch
C2
Less than Normal
Clearance
Normal Clearance
C3
Greater than
Normal Clearance
C4
Greater than
C3 Clearance
C5
Greater than
C4 Clearance
Over Incl. Min Max Min Max Min Max Min Max Min Max
— 0.3937 0.000 9.843 7.874 17.717 13.780 23.622 19.685 29.528 — —
0.3937 0.9449 0.000 9.843 7.874 17.717 13.780 23.622 19.685 29.528 25.591 35.433
0.9449 1.1811 0.000 9.843 7.874 17.717 13.780 23.622 19.685 29.528 27.559 37.402
1.1811 1.5748 1.969 11.811 9.843 19.685 17.717 27.559 23.622 33.465 31.496 41.339
1.5748 1.9685 1.969 13.780 11.811 23.622 19.685 31.496 27.559 39.370 37.402 49.213
1.9685 2.5591 3.937 15.748 15.748 27.559 23.622 35.433 31.496 43.307 43.307 55.118
2.5591 3.1496 3.937 17.717 15.748 29.528 25.591 43.307 35.433 49.213 51.181 64.961
3.1496 3.9370 5.906 19.685 19.685 33.465 29.528 43.307 41.339 55.118 61.024 74.803
3.9370 4.7244 5.906 21.654 19.685 35.433 33.465 49.213 49.213 64.961 70.866 86.614
4.7244 5.5118 5.906 23.622 23.622 41.339 39.370 57.087 57.087 74.803 78.740 96.457
5.5118 6.2992 7.874 27.559 27.559 47.244 45.276 64.961 64.961 84.646 88.583 108.268
6.2992 7.0866 9.843 29.528 29.528 49.213 47.244 66.929 66.929 86.614 98.425 118.110
7.0866 7.8740 13.780 35.433 35.433 57.087 55.118 76.772 76.772 98.425 108.268 129.921
7.8740 8.8583 17.717 41.339 41.339 64.961 62.992 86.614 86.614 110.236 120.079 143.701
8.8583 9.8425 17.717 43.307 43.307 68.898 66.929 92.520 92.520 118.110 129.921 155.512
9.8425 11.0236 21.654 49.213 49.213 76.772 74.803 102.362 102.362 129.921 145.669 173.228
11.0236 12.4016 21.654 51.181 51.181 80.709 78.740 108.268 108.268 137.795 161.417 190.945
12.4016 13.9764 25.591 57.087 57.087 88.583 88.583 120.079 120.079 151.575 179.134 210.630
13.9764 15.7480 39.370 74.803 74.803 110.236 110.236 145.669 145.669 181.102 200.787 236.220
15.7480 17.7165 43.307 82.677 82.677 122.047 122.047 161.417 161.417 200.787 222.441 261.811
17.7165 19.6850 43.307 86.614 86.614 129.921 129.921 173.228 173.228 216.535 246.063 289.370
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