Dia. of balls

(mm)

Inch   

Inch in Dec.

Grade

Applicable stanards 

Burden (N)

Hard

ness (HRC)

Weight of

per 10000

pcs(kgs)

Qty. of per

export carton

(8inner/carton)

Dia. of

raw material

(mm)

1.200

0.0472

G5,    G10

ISO3290 

GB308(CN)
DIN5401(DE)
ANSI/AFBMA(US)

/

   61-66

0.071

1600000

Ø1.5

1.500

0.0591

/

0.137

1200000

Ø1.5

1.588

1/16

0.0625

/

0.162

800000

Ø1.5

2.000

0.0787

/

0.326

480000

Ø1.75

2.381

3/32

0.0937

/

0.55

320000

Ø2.0

2.778

7/64

0.1094

/

0.874

240000

Ø2.3

3.175

1/8

0.1250

5390

1.304

140000

Ø2.6

3.500

0.1378

6570

1.749

120000

Ø2.8

3.969

5/32

0.1563

8430

2.549

80000

Ø3.2

4.500

0.1772

10780

3.716

56000

Ø3.6

4.763

3/16

0.1875

12050

4.405

48000

Ø3.6

5.556

7/32

0.2187

16270

6.997

32000

Ø4.5

5.953

15/64

0.2344

18130

8.605

24000

Ø4.5

6.350

1/4

0.2500

21270

10.438

20000

Ø4.8

China

Russia

USA

Britian

France

Germany

Japan

GCr15 

IIIX15 

52100

S135, 534A99 

100C6 

100Cr6 

SUJ-2