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3mm Diameter Grade 100 Hardened AISI 440 Stainless Steel Ball Bearings

  • 3mm Diameter Grade 100 Hardened AISI 440 Stainless Steel Ball Bearings
  • 3mm Diameter Grade 100 Hardened AISI 440 Stainless Steel Ball Bearings
Description:
General Purpose Grade 100 440 Stainless Ball Bearings:Very high quality industry standard [show more...]
Brand: Simply Ital Ball
Ball Diameter: 3mm

0.000100kg
New From: £3.99 ex VAT
Stock:  This item is available from stock
General Purpose Grade 100 440 Stainless Ball Bearings:Very high quality industry standard graded 440 stainless steel ball bearings, these are made from AISI 440 stainless steel and have a hardness of 57 - 60 HRC on the Rockwell Scale, the hardness is all the way through the ball. These stainless 440 steel balls used to manufacture bearing assemblies and have a high duty and life cycle.
Martensitic Stainless steel offering very high hardness and tensile strength against fresh water, steam, petroleum spirits and alcohols.
Manufactured in compliance to the following international standards: AISI 440 / Wks 1.4125 / DIN X105CrMo17 / AFNOR Z100CD17 / JIS SUS 440
Material
=
440 Stainless Steel
Min Crush Load
=
602kg
Hardness
=
57-60 HRC
Hardness Depth
=
Through Hardened
Corrosion Resistance
=
Fair
Note
=
Not Drillable
Weight Each
=
0.11g
Attracted to Magnets
=
Yes
Avg Qty / Litre
=
43000


Steel Ball Measuring Diameter
  • These stainless steel balls are made from AISI 440 Stainless Steel.
  • Uniformly hardened and tempered all the way through the ball to achieve maximum strength and quality
  • Ball hardness is controlled within the 57 - 60 HRC range as measured on parallel flat surfaces.
  • Ball grades are defined numerically 10 - 100 (10 being highest quality available in 440 stainless, 100 is the lowest)
  • 440 Stainless balls are attracted to magnets
GRADES
Grade
Diameter Tolerance Per Ball
Sphericity Diameter Tolerance per Unit Container Diameter Tolerance
Max Surface Roughness
-
Inch
µ
Inch
µ
Inch
µ
Inch
µ
Inch
µ
3
0.000003
0.076
0.000003
0.076
0.000005
0.127
±.00003
±0.076
0.5
0.013
5
0.000005
0.127
0.000005
0.127
0.000001
0.25
±.000005
±0.127
0.8
0.02
10
0.00001
0.25
0.00001
0.25
0.00002
0.51
±.0001
±2.5
1
0.025
15
0.000015
0.38
0.000015
0.38
0.00003
0.76
±.0001
±2.5
1.2
0.03
25
0.000025
0.63
0.000025
0.63
0.00005
1.27
±.0001
±2.5
1.5
0.038
50
0.00005
1.27
0.00005
1.27
0.0001
2.5
±.0002
±5
3
0.075
100
0.0001
2.5
0.0001
2.5
0.0002
5
±.0005
±5
5
0.125
200
0.0002
5
0.0002
5
0.0004
10
±.0010
±10
8
0.2
300
0.0003
7.5
0.0003
7.5
0.0006
15
±.0015
±37.5
Not applicable
Not applicable
500
0.0005
12.5
0.0005
12.5
0.001
25
±.002
±50
Not applicable
Not applicable
1000
0.001
25
0.001
25
0.002
50
±.005
±125
Not applicable
Not applicable
2000
0.002
50
0.002
50
0.004
100
±.005
±125
Not applicable
Not applicable

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3mm Diameter Grade 100 Hardened AISI 440 Stainless Steel Ball Bearings
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