ALLOWABLE CRITICAL-VALUE OF BEARING CHAMFER
Tapered Radial Bearing
Tapered Radial Bearing
(Metric Size)
unit:mm
(Inch Size)
unit:mm
rs min or ris max
Nominal bore diameter of bearing "d" of nominal outside diameter "D"
Rs max or Ris max
Nominal bearing bore diameter d
Maximum values
over
incl
Radial direction
Axial direction
over
incl.
r1 max
r2 max
0.3
-
40
0.7
1.4
-
50.8
rs min + 0.4
rs min + 0.9
40
-
0.9
1.6
50.8
101.6
rs min + 0.5
rs min + 1.3
0.6
-
40
1.1
1.7
101.6
254
rs min + 0.6
rs min + 1.6
40
-
1.3
2
Nominal bearing bore diameter D
Maximum values
1
-
50
1.6
2.5
50
-
1.9
3
1.5
-
120
2.3
3
over
incl.
r3 max
r4 max
120
250
2.8
3.5
250
-
3.5
4
101.6
rs min + 0.6
rs min + 1.1
2
-
120
2.8
4
101.6
168.3
rs min + 0.6
rs min + 1.2
120
250
3.5
4.5
168.3
266.7
rs min + 0.8
rs min + 1.4
250
-
4
5
2.5
-
120
3.5
5
120
250
4
5.5
250
-
4.5
6
3
-
120
4
5.5
120
250
4.5
6.5
250
400
5
7
400
-
5.5
7.5
4
-
120
5
7
120
250
5.5
7.5
250
400
6
8
400
-
6.5
8.5
5
-
180
6.5
8
180
-
7.5
9
6
-
180
7.5
10
180
-
9
11