Precision of conic bore radial bearings
Unit:um/P>
| Bore ?? |
?dmp | ?d1mp-?dmp | Vdp |
| d mm | P0 | P0 | P0 |
| over to | over to | over to | max. |
| - 10 | + 15 0 | + 15 0 | 10 |
| 10 18 | + 18 0 | + 18 0 | 10 |
| 18 30 | + 21 0 | + 21 0 | 13 |
| 30 50 | + 25 0 | + 25 0 | 15 |
| 50 80 | +30 0 | + 30 0 | 19 |
| 80 120 | + 35 0 | + 35 0 | 25 |
| 120 180 | + 40 0 | + 40 0 | 31 |
| 180 250 | + 46 0 | + 46 0 | 38 |
Remarks:
1.The above tolerance is suitable for conic bore inner rings
with taper being 1:12
2.a: 1/2 of
metric taper of the conic bore
a=2°23'9.4"
=2.385 94°
=0.041 643 rad