BEST QUALITY OF STAINLESS STEEL BALL WITH LOW PRICE

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
600000 pc/month

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Product Description:

 

Specifications

1 inch stainless steel ball bearing
1)100% original
2)High precision
3)good resistance and no spots
5)ISO 9001:2008 SGS

 

 

Product Description

440C bearing steel balls are our main product.

Our best precision of them is G16( the ball diameter variation is 0.4um max. )

Diameter from 2.0mm to 1'' are all ok to us.


Our hot sizes: 2.0mm 2.381mm 2.5mm 3.175mm(1/8'') 4.763mm(3/16'') 5.0mm 5.5mm 6.0mm 6.35mm(1/4'') 7.144mm(9/32'') 7.938mm (5/16'') 8.731mm 9.0mm 9.525mm(3/8'') 11.1125mm(7/16'') 12.7mm(1/2'') 9/16'' 5/8'' 3/4'' 1'' ...

Usually we also have some stock of them.

 

 

Technology

MATERIAL

C%

Si%

Mn%

P%

S%

Cr%

Mo%

Ni%

N

AISI440C

0.95-1.20

1.00
max

1.00
max

 0.03
max

 0.03
max

16.0-18.0 

0.4-0.75 

0.6

\

AISI420C

0.42-0.5

1.00
max

1.00
max

0.04
max

0.03
max

12.5-14.5

\

1.0

\

 

Precision(Grade)ball diameter variationdeviation from sphericalsurface soughnesslot diameter variationnominal ball deviation tolerance
VdwaSphRaVdwlTdn
 not over(um)    
G100.250.250.0250.5*
G160.40.40.0320.8*
G200.50.50.051*
G401.01.00.082*

 

 

Advantages

For high precision 440c stainless steel ball bearings, the roundness and surface roughness is very important.

For roundness, we use roundness measuring equipment.

For surface roughness, we use 100 times microscope and 500 times microscope.

We will check each Lot no. steel balls before packing.

 

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