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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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Our Services


1. OEM/ODM Service
Our professional R&D dept. can develop different products for different target prices and different requirements.

2. Free sample service
Samples can be free. Sample which we have in stock, will be sent to you within 1 working day. OEM sample, will be sent to you within 3 working days.

3. Direct factory, Competitive price
We are manufacturer.Factory price, various products we can source for you.

4. Quality control
We have a strict quality control system, Professional QC team.

5. Custom packaging service
No matter the inner packing or the outer carton. We can design as your request.

6. Quick response
All requests will be reply within 24 hours.

Materials Available

1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request

Surface Treatment
Annealing, natural anodization, heat treatment, polishing, nickel plating, chrome plating, znic plating,yellow passivation, gold passivation, satin, Black surface painted etc.

Products Available
sprockt chains, pulley, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels gear rack) bearing, bearing seat, bushing, coupling, lock assembly etc.

Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

QC :
Technicians self-check in production,final-check before package by professional Quality inspector

Size
Drawings

Package
Wooden Case/Container and pallet, or as per customized specifications

Certificate
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

Advantage
Quality first Service superior , Advanced equipment,Experienced workers,Perfect testing equipment

Lead Time
15-25days samples. 30-45days offcial order