High-precision bearing chrome steel balls

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