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CLEARANCE
In accordance with the standard of ISO 5753. The radial clearance
can be classified into C2 , standard C3
, C4 and C5 groups. Different choices
are supplied to various usages by customers. Datum of standard
radial clearance for bearings under no load as followed: |
|
Bore
|
Group 2 |
Standard Group |
Group 3 |
Group 4 |
Group 5 |
|
Over |
To |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
|
2.5 |
6 |
0 |
7 |
2 |
13 |
8 |
23 |
11 |
26 |
16 |
30 |
|
6 |
10 |
0 |
7 |
2 |
13 |
8 |
23 |
14 |
29 |
20 |
37 |
|
10 |
18 |
0 |
9 |
3 |
18 |
11 |
25 |
18 |
33 |
25 |
46 |
|
18 |
24 |
0 |
10 |
5 |
20 |
13 |
28 |
20 |
36 |
28 |
48 |
|
24 |
30 |
1 |
11 |
5 |
20 |
13 |
28 |
23 |
41 |
30 |
53 |
|
30 |
40 |
1 |
11 |
6 |
20 |
15 |
33 |
28 |
46 |
40 |
64 |
|
40 |
50 |
1 |
11 |
6 |
23 |
18 |
36 |
30 |
51 |
45 |
73 |
GREASE AND OIL
Open bearings are lubricated with shell A12 or WINSORL 245X
ball bearings with two shields(ZZ) or two seals(2RS) are greased
with Chevron SR#2 or Mobil #28 grease as standard and are ready
to use. Upon request ball bearings can be lubricated with other
greases or oil, Contact our Engineering Department for specific
application. |
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