ball and roller bearings - NTN Bearing Corporation of America

CLEARANCE
TABLES
268
Standard tolerance values for radial internal clearance of
spherical roller bearings with cylindrical bore.
Table 22 (Clearance Limits in 0.001 mm)
SPHERICAL ROLLER BEARINGS (cylindrical bore)
Nominal Bore C2 –– C3 C4
d Less than Greater than Greater than
mm Normal Clearance Normal Clearance Normal Clearance C3 Clearance
Over Incl. Low High Low High Low High Low High
30 40 15 30 30 45 45 60 60 80
40 50 20 35 35 55 55 75 75 100
50 65 20 40 40 65 65 90 90 120
65 80 30 50 50 80 80 110 110 145
80 100 35 60 60 100 100 135 135 180
100 120 40 75 75 120 120 160 160 210
120 140 50 95 95 145 145 190 190 240
140 160 60 110 110 170 170 220 220 280
160 180 65 120 120 180 180 240 240 310
180 200 70 130 130 200 200 260 260 340
200 225 80 140 140 220 220 290 290 380
225 250 90 150 150 240 240 320 320 420
250 280 100 170 170 260 260 350 350 460
280 315 110 190 190 280 280 370 370 500
315 355 120 200 200 310 310 410 410 550
355 400 130 220 220 340 340 450 450 600
400 450 140 240 240 370 370 500 500 660
450 500 140 260 260 410 410 550 550 720
500 560 150 280 280 440 440 600 600 780
560 630 170 310 310 480 480 650 650 850
630 710 190 350 350 530 530 700 700 920
710 800 210 390 390 580 580 770 770 1010
800 900 230 430 430 650 650 860 860 1120
900 1000 260 480 480 710 710 930 930 1220
Table 22-A (Clearance Limits in 0.0001 inch)
SPHERICAL ROLLER BEARINGS (cylindrical bore)
Nominal Bore C2 –– C3 C4
d Less than Greater than Greater than
inch Normal Clearance Normal Clearance Normal Clearance C3 Clearance
Over Incl. Low High Low High Low High Low High
1.1811 1.5748 5.9 11.8 11.8 17.7 17.7 23.6 23.6 31.5
1.5748 1.9685 7.9 13.8 13.8 21.7 21.7 29.5 29.5 39.4
1.9685 2.5591 7.9 15.7 15.7 25.6 25.6 35.4 35.4 47.2
2.5591 3.1496 11.8 19.7 19.7 31.5 31.5 43.3 43.3 57.1
3.1496 3.9370 13.8 23.6 23.6 39.4 39.4 53.1 53.1 70.9
3.9370 4.7244 15.7 29.5 29.5 47.2 47.2 63.0 63.0 82.7
4.7244 5.5118 19.7 37.4 37.4 57.1 57.1 74.8 74.8 94.5
5.5118 6.2992 23.6 43.3 43.3 66.9 66.9 86.6 86.6 110.2
6.2992 7.0866 25.6 47.2 47.2 70.9 70.9 94.5 94.5 122.0
7.0866 7.8740 27.6 51.2 51.2 78.7 78.7 102.4 102.4 133.9
7.8740 8.8583 31.5 55.1 55.1 86.6 86.6 114.2 114.2 149.6
8.8583 9.8425 35.4 59.1 59.1 94.5 94.5 126.0 126.0 165.4
9.8425 11.0236 39.4 66.9 66.9 102.4 102.4 137.8 137.8 181.1
11.0236 12.4016 43.3 74.8 74.8 110.2 110.2 145.7 145.7 196.9
12.4016 13.9764 47.2 78.7 78.7 122.0 122.0 161.4 161.4 216.5
13.9764 15.7480 51.2 86.6 86.6 133.9 133.9 177.2 177.2 236.2
15.7480 17.7165 55.1 94.5 94.5 145.7 145.7 196.9 196.9 259.8
17.7165 19.6850 55.1 102.4 102.4 161.4 161.4 216.5 216.5 283.5
19.6850 22.0472 59.1 110.2 110.2 173.2 173.2 236.2 236.2 307.1
22.0472 24.8031 66.9 122.0 122.0 189.0 189.0 255.9 255.9 334.6
24.8031 27.9528 74.8 137.8 137.8 208.7 208.7 275.6 275.6 362.2
27.9528 31.4961 82.7 153.5 153.5 228.3 228.3 303.1 303.1 397.6
31.4961 35.4331 90.6 169.3 169.3 255.9 255.9 338.6 338.6 440.9
35.4331 39.3701 102.4 189.0 189.0 279.5 279.5 366.1 366.1 480.3