Fits of radial spherical plain bearings
Shaft fits
|
Operating conditions |
Sliding contact surface combination | |
|
requiring maintenance |
maintenance-free | |
|
Loads of all kinds，clearance or transition fit |
h6,hardened shaft |
h6,g6 |
|
Loads of all kinds，interference fit |
m6 |
k6 |
Housing fits
|
Operating conditions |
Sliding contact surface combination | |
|
requiring maintenance |
maintenance-free | |
|
Light loads | ||
H7
H7
|
Heavy loads |
M7 |
K7 |
|
Light alloy housings |
N7 |
M7 |
Shaft diameter tolerances
|
Shaft diameter mm |
Shaft diameter tolerances um | ||||||||
|
g6 |
h6 |
k6 |
m6 | ||||||
|
over |
incl. |
high |
low |
high |
low |
high |
low |
high |
low |
|
3 |
6 |
-4 |
-12 |
0 |
-8 |
9 |
1 |
12 |
4 |
|
6 |
10 |
-5 |
-14 |
0 |
-9 |
10 |
1 |
15 |
6 |
|
10 |
18 |
-6 |
-17 |
0 |
-11 |
12 |
1 |
18 |
7 |
|
18 |
30 |
-7 |
-20 |
0 |
-13 |
15 |
2 |
21 |
8 |
|
30 |
50 |
-9 |
-25 |
0 |
-16 |
18 |
2 |
25 |
9 |
|
50 |
80 |
-10 |
-29 |
0 |
-19 |
21 |
2 |
30 |
11 |
|
80 |
120 |
-12 |
-34 |
0 |
-22 |
25 |
3 |
35 |
13 |
|
120 |
180 |
-14 |
-39 |
0 |
-25 |
28 |
3 |
40 |
15 |
|
180 |
250 |
-15 |
-44 |
0 |
-29 |
33 |
4 |
46 |
17 |
|
250 |
315 |
-17 |
-49 |
0 |
-32 |
36 |
4 |
52 |
20 |
|
315 |
400 |
-18 |
-54 |
0 |
-36 |
40 |
4 |
57 |
21 |
|
400 |
500 |
-20 |
-60 |
0 |
-40 |
45 |
5 |
63 |
23 |
|
500 |
630 |
-22 |
-66 |
0 |
-44 |
44 |
0 |
70 |
26 |
|
630 |
800 |
-24 |
-74 |
0 |
-50 |
50 |
0 |
80 |
30 |
Housing bore tolerances
|
Housing bore diameter mm |
Housing bore tolerances um | ||||||||
|
H7 |
K7 |
M7 |
N7 | ||||||
|
over |
incl. |
low |
high |
low |
high |
low |
high |
low |
high |
|
10 |
18 |
0 |
18 |
-12 |
6 |
-18 |
0 |
-23 |
-5 |
|
18 |
30 |
0 |
21 |
-15 |
6 |
-21 |
0 |
-28 |
-7 |
|
30 |
50 |
0 |
25 |
-18 |
7 |
-25 |
0 |
-33 |
-8 |
|
50 |
80 |
0 |
30 |
-21 |
9 |
-30 |
0 |
-39 |
-9 |
|
80 |
120 |
0 |
35 |
-25 |
10 |
-35 |
0 |
-45 |
-10 |
|
120 |
150 |
0 |
40 |
-28 |
12 |
-40 |
0 |
-52 |
-12 |
|
150 |
180 |
0 |
40 |
-28 |
12 |
-40 |
0 |
-52 |
-12 |
|
180 |
250 |
0 |
46 |
-33 |
13 |
-46 |
0 |
-60 |
-14 |
|
250 |
315 |
0 |
52 |
-36 |
16 |
-52 |
0 |
-66 |
-14 |
|
315 |
400 |
0 |
57 |
-40 |
17 |
-57 |
0 |
-73 |
-16 |
|
400 |
500 |
0 |
63 |
-45 |
18 |
-63 |
0 |
-80 |
-17 |
|
500 |
630 |
0 |
70 |
-70 |
0 |
-96 |
-26 |
-114 |
-44 |
|
630 |
800 |
0 |
80 |
-80 |
0 |
-110 |
-30 |
-130 |
-50 |
|
800 |
1000 |
0 |
90 |
-90 |
0 |
-124 |
-34 |
-146 |
-56 |
|
1000 |
1250 |
0 |
105 |
-105 |
0 |
-145 |
-40 |
-171 |
-66 |
