1.Radial Internal Clearance of Cylindrical Bore Bearings um
d(mm) | Group 2 | Basic Group | Group3 | ||||
Over | Incl. | Min. | Max. | Min. | Max. | Min. | Max. |
10 | 18 | 3 | 18 | 10 | 25 | 18 | 33 |
18 | 24 | 5 | 20 | 12 | 28 | 20 | 36 |
24 | 30 | 5 | 20 | 12 | 28 | 23 | 41 |
30 | 40 | 6 | 20 | 13 | 33 | 28 | 46 |
40 | 50 | 6 | 23 | 14 | 36 | 30 | 51 |
50 | 65 | 8 | 28 | 18 | 43 | 38 | 61 |
65 | 80 | 10 | 30 | 20 | 51 | 46 | 71 |
80 | 100 | 12 | 36 | 24 | 58 | 53 | 84 |
100 | 120 | 15 | 41 | 28 | 66 | 61 | 97 |
120 | 140 | 18 | 48 | 33 | 81 | 71 | 114 |
2.Outer Rings Tolerances um
D(mm) | ¡÷dmp | kea | ||
Over | Incl. | High | Low | Max. |
30 | 50 | 0 | -11 | 20 |
50 | 80 | 0 | -13 | 25 |
80 | 120 | 0 | -15 | 35 |
120 | 150 | 0 | -18 | 40 |
150 | 180 | 0 | -25 | 45 |
180 | 250 | 0 | -30 | 50 |
3.Cylindrical Bore of inner rings tolerances um
D(mm) | ¡÷dmp | ¡÷ds | Kia | ¡÷Bs | ||||
Over | Incl. | High | Low | High | Low | Max. | High | Low |
10 | 18 | +18 | 0 | +22 | -4 | 12 | 0 | -120 |
18 | 30 | +21 | 0 | +25 | -4 | 15 | 0 | -120 |
30 | 50 | +25 | 0 | +30 | -5 | 18 | 0 | -120 |
50 | 80 | +30 | 0 | +36 | -6 | 22 | 0 | -150 |
80 | 120 | +35 | 0 | +42 | -7 | 28 | 0 | -200 |
120 | 180 | +40 | 0 | +48 | -8 | 35 | 0 | -250 |
4.Mounting instructions
All TC inner rings with setscrews are specially heat-treated part of setscrew
is well annealed. By this process distortion of the setscrew holes and threads
well be avoided.
Setscrew Size | recommended torque (max) | Proof torque | |||
in | mm | in-lbs | kg-cm | in-lbs | kg-cm |
1/4-28 | M6X1 | 44 | 50 | 88 | 100 |
5/16-24 | M8X1 | 97 | 110 | 158 | 180 |
3/8-24 | M10X1.25 | 185 | 210 | 265 | 300 |