KG Bearing
 
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Technical Details
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The standard KZ bearing components like outer and inner rings balls and rollers material is high carbon chromium Gcr 15 Bearing steel which provide uniform high hardness, toughness and abrasion resistance. Chemical compositions are shown in the following table:





MATERIALS

1. Steel for Outer and Inner Rings or Rollers:

 

Material

Symbol

Chemical Composition

Rockwell Hardness C Scale

High Carbon

Gcr 15

C

SI

Mn

P

S

Cr

Mo

62±3HRC

Chromium

0.95

0.15

0.50

005

0.025

1.30

----

Bearing Steel

1.10

0.35

Max.

Max.

Max.

1.60

----

 

2. Steel for Retainers: 

The Standards Cage material is Low Carbon Cold Rolled Steel. 
CRCA Steel 


C

si

Mn

P

S

0.12

O

0.5

0.04

0.05

Max.

 

Max.

Max.

Max.


BOUNDARY DIMENSIONS 

International Standard Organisation (ISO) has set up the international standards for the bearing industry. The standardisation of boundary dimensions and tolerance allows the bearing manufacturer to utilize the most modern production machines and quality control techniques in producing high quality bearing at an economical price level. The KGB generally, follows the metric measures for it’s manufacturing program. 


SURFACE FINISH

KGB has the equipment’s for super finishing of track of the bearing rings as well as outer diameter of the rollers. Each bearing component i.e., inner and outer Rings and rollers are super finished for the maximum achievement of bearing life.

TESTING FACILITIES 

At KGB Quality is an integral part of our culture and every effort is made to ensure that customer get value for money. The company is having skilled employees at all levels to bring their expertise in to the manufacturing of quality bearings. 

KGB also comprised with the latest equipment’s like surface finish measuring, Roundness Measuring and various electronic gauging equipment’s for checking geometrical parameters such as concentricity, parallelism roundness. Tolerance on our bearings confirms to ISI, ISO, DIN and ABEC –I standards.


At KGB it is standard routine to calibrate its all-testing equipment’s on regular basis. We take utmost care to keep our quality standards at its peak and maintain the same level forever . 

A detailed process drawing for each operation of manufacturing helps us to maintain close tolerance during production. 

CLEARANCE 

KZ bearings are generally manufactured in normal class clearance but upon customers specific request we supply bearings with C2, C3, C4 or C5 clearances. 

DEEP STANDARD BEARING TOLERANCES 

TOLERANCE CLASS ABEC-I

INNER RING Tolerance in um.


D

Ball Bearing Series 6000,Industrial Bearings Manufacturers,Automotive Ball Bearings,Miniature Ball Bearings,Single Row Ball Bearings Exporters Dmp

Vdp

V Dmp

Kia

Ball Bearing Series 6000,Industrial Bearings Manufacturers,Automotive Ball Bearings,Miniature Ball Bearings,Single Row Ball Bearings Exporters Bs

BS

diameter series

mm

7,8,9

0,1

2,3,4

over

incl.

high

low

Max.

Max.

Max.

Max.

Max.

0.6

2.5

0

-8

10

8

6

6

10

0

-40

12

2.5

10

0

-8

10

8

6

6

10

0

-120

15

10

18

0

-8

10

8

6

6

10

0

-120

20

18

30

0

-10

13

10

8

8

13

0

-120

20

30

50

0

-12

15

12

9

9

15

0

-120

20



OUTER RING Tolerance in um.


D

Ball Bearing Series 6000,Industrial Bearings Manufacturers,Automotive Ball Bearings,Miniature Ball Bearings,Single Row Ball Bearings Exporters Dmp

V Dp 3)

Dmp 3)

Kea

Ball Bearing Series 6000,Industrial Bearings Manufacturers,Automotive Ball Bearings,Miniature Ball Bearings,Single Row Ball Bearings Exporters CS

V cs

Open Bearing

mm

Diameter series

7,8,9

0,1

2,3,4

0,1,2,3,4

over

Incl.

high

low

Max.

Max.

Max.

high

low

Max.

2.5

6

0

-8

10

8

6

10

6

15

Identical to Bs and Vbs Of inner ring of same bearing.

6

18

0

-8

10

8

6

10

6

15

------

18

30

0

-9

12

9

7

12

8

15

------

30

50

0

-11

14

11

8

16

8

20

------

50

80

0

-13

16

13

10

20

10

25

------

80

120

0

-15

19

19

11

26

11

35

------

1) This diameter is included in the group.
2) No values have been established for diameter series 7,8,9,0 and 1.
3) Applies before mounting and after removal of internal of external snap ring.

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