|
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| Accurance and Clearances |
| Ever-Power Bearings can meet tolerance grades from ABEC-1 to ABEC-7 as requested dimension tolerance & runout accurancy. |
| COMPARISION TABLE OF TOLERANCE GRADE |
Country |
Standard |
Tolerance Grade |
China |
GB |
O |
6 |
5 |
4 |
American |
ANSI |
ABEC-1 |
ABEC-3 |
ABEC-5 |
ABEC-7 |
|
ISO |
0 |
6 |
5 |
4 |
Germany |
DIN |
P0 |
P6 |
P5 |
P4 |
Japan |
JIS |
P0 |
P6 |
P5 |
P4 |
|
| RADIAL CLEARANCES |
| The radial clearances of our bearings can be classified into C2,Standard, C3, C4, & C5 according to customers request. |
| TABLE OF RADIAL CLEARANCE (um) |
Bore Diameter |
C2 |
Standard |
C3 |
C4 |
over |
to |
min |
max |
min |
max |
min |
max |
min |
max |
2.5 |
6 |
0 |
7 |
2 |
13 |
8 |
23 |
- |
- |
6 |
10 |
0 |
7 |
2 |
13 |
8 |
23 |
14 |
29 |
10 |
18 |
0 |
9 |
3 |
18 |
11 |
25 |
18 |
33 |
18 |
24 |
0 |
10 |
5 |
20 |
13 |
28 |
20 |
36 |
24 |
30 |
1 |
11 |
5 |
20 |
13 |
28 |
23 |
41 |
30 |
40 |
1 |
11 |
6 |
20 |
15 |
33 |
28 |
46 |
40 |
50 |
1 |
11 |
6 |
23 |
18 |
36 |
30 |
51 |
50 |
65 |
1 |
12 |
8 |
28 |
23 |
43 |
38 |
61 |
|
| lubrication |
| |
Company Brand |
Designation |
Dropping Tem.�� |
Penetration at 25�� |
Working Tem �� |
Remarks |
Shell |
Alvania RL2 |
185 |
265-295 |
-35��120 |
general purpose |
Alvania RL3 |
185 |
220-250 |
-35��135 |
Alvania RA |
180 |
250-275 |
-25��100 |
Alvania EP1 |
180 |
310-340 |
-25��110 |
Alvania EP2 |
185 |
265-295 |
-25��110 |
Darina 2 |
250 |
265-295 |
-25��150 |
high Tem, Service |
Darina EP2 |
250 |
265-295 |
-25��150 |
Dolium R2 |
250 |
265-295 |
-35��150 |
Corrosion resistant? |
Esso |
Andok C |
260 |
190-210 |
-30��120 |
general purpose |
Andok 260 |
190 |
204-260 |
-40��120 |
Beacon 325 |
190 |
255-280 |
-54��120 |
low Tem.service |
Chevron |
SRI-2 |
240 |
255-280 |
-30��120 |
water resistant |
Mobil |
Mobilux 2 |
190 |
265-290 |
-10��110 |
general purpose |
Mobil 22 |
192 |
250-274 |
-40��120 |
Mobil 28 |
260 |
265-295 |
-55��175 |
Wide rang Tem. Service |
Mobil 48 |
260 |
240-270 |
-60��170 |
high Tem, Service |
Kluber |
Isoflex LDS 18 |
190 |
255-280 |
-50��110 |
low Tem.service |
Isoflex NBU 15 |
250 |
255-280 |
-30��120 |
general purpose |
Kyodo Yushi |
Multemp SRL |
185 |
225-245 |
-40��145 |
low torque service |
Multemp PS2 |
190 |
250-275 |
-50��110 |
low Tem.service |
Multemp SC-A |
260 |
255-280 |
0��160 |
high Tem, Service |
Multemp ET150 |
260 |
255-280 |
-10��160 |
China Hangu |
Hangu 2 |
198 |
265-295 |
-10��130 |
low noise serice |
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