Products List
 

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Accurance and Clearances
CCF 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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