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Wear - Resistant Chrome Steel Balls For Instrument , Small Metal Balls

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Wear - Resistant Chrome Steel Balls For Instrument , Small Metal Balls

Country/Region china
City & Province changzhou jiangsu
Categories Magnetic Materials

Product Details

Φ6.747mm (inch 17/64mm) chrome steel balls  steel balls for bearings

 

Specifications:

 

Good quality  chrome steel balls Φ6.747mm (inch 17/64mm)  steel balls for bearings

 

 

Description:

 

 

Ball diameter

(mm)

Quantity per kilogram

Ball diameter

(mm)

Quantity per kilogram

Ball diameter

(mm)

Quantity per kilogram

2.0000

30700

9.0000

337

19.0000

35.77

2.3812 3/32

18182

9.5250 3/8

284

19.0500

3/4

35.5

2.5000

15698

10.0000

245

19.8438

25/32

31.4

3.0000

9091

10.3188 13/32

223

20.637013/16

27.9

3.1750 1/8

7634

11.0000

185

21.0000

26.49

3.5000

5717

11.1125 7/16

179

21.4313 27/32

24.9

3.9688 5/32

3922

11.5000

161

22.2250 7/8

22.3

4.0000

3831

11.5094 29/64

161

23.0000

20.17

4.7625 3/16

2268

11.9062 15/32

145

23.0188 29/32

20.1

5.0000

1961

12.0000

142

23.8125 15/16

18.2

5.1594 13/64

1786

12.303131 /64

132

24.0000

17.75

5.5562 7/32

1431

12.7000 1/2

120

24.6063 31/32

16.5

5.9531 15/64

1163

13.4938 17/32

100

25.0000

15.70

6.0000

1136

14.0000

89

25.40000 1

15

6.3500 1/4

962

14.2875 9/16

84.0

26.9875 1'/32

13.64

6.5000

894

15.0812 19/32

71.4

26.9875 1'/16

12.47

6.7469 17/64

800

14.8750 5/8

61.3

27.7812 1'/32

11.4

7.1438 9/32

671

16.0000

59.9

28.0000

11.18

7.9372 5/16

490

16.6688 21/32

52.9

28.5750 1'/8

10.50

8.0000

478

17.0000

50

30.1625 1'/16

8.93

8.5000

400

17.4625 11/16

46.1

 

 

8.7312 11/32

369

18.2562 23/32

40.3

 

 

 

Applications:

 

Steel balls are important component of bearings, and are also most widely used rolling body in bearings field. The quality directly affect the bearings character. 
Steel balls are also applied to precision instrument, bicycles, toys, sports fitness equipments, ball grinders, ect

 

 

Tolerance level and technical requirements:

 

Grade

 

Ball diameter variation

Spherical deviation

Ball surface roughness

Ball diameter variation

Basic diameter tolerance

Vdws

△Sph

Ra

Vdwl

Tdn

No more than (um)

10

0.25

0.25

0.025

0.5

*

16

0.4

0.4

0.032

0.8

*

20

0.5

0.5

0.05

1

*

28

0.7

0.7

0.05

1.5

*

40

1.0

1.0

0.08

2

*

60

1.5

1.5

0.10

3

*

100

2.5

2.5

0.125

5

±12.5

200

5

5

0.2

10

±25

500

13

13

*

25

±50

1000

25

25

*

50

±125

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