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  • 5.5mm Diameter Grade 100 Hardened AISI 440 Stainless Steel Ball Bearings
5.5mm Diameter Grade 100 Hardened AISI 440 Stainless Steel Ball Bearings
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Average Rating (6 Reviews)

5.5mm Diameter Grade 100 Hardened AISI 440 Stainless Steel Ball Bearings

0.000100kg
New From:  £6.56  ex VAT This item is available from stock

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General Purpose Grade 100 440 Stainless Ball Bearings: High Quality Graded 440 Stainless Steel Ball bearings made from AISI 440 Stainless Steel with a hardness of 57 - 60 HRC Rockwell Scale, the hardness is all the way through the ball. These are the same stainless 440 steel balls used to manufacture bearing assemblies and have a high duty and life cycle.
Martensitic Stainless steel offering 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
Brand / Quality: Simply Ital Ball - High Quality
Ball Diameter: 5.5mm
Material
=
440 Stainless Steel
Min Crush Load
=
1760kg
Hardness
=
57-60 HRC
Hardness Depth
=
Through Hardened
Corrosion Resistance
=
Fair
Note
=
Not Drillable
Weight Each
=
0.68g
Attracted to Magnets
=
Yes
Avg Qty / Litre
=
7150


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
Download Data Sheet

  • Harold Dickson, United Kingdom 26/03/2018

    5 of 5 Stars!
    quality part, great service and free delivery

  • Jayden Marc, United Kingdom 19/01/2017

    5 of 5 Stars!
    arrived the day after delivery, thanks

  • Abdullah Matthews, United Kingdom 25/10/2016

    5 of 5 Stars!
    Item just as described will come back again

  • Killian Christian, United Kingdom 03/12/2015

    5 of 5 Stars!
    GREAT SERVICE

  • Camden Dougherty, United Kingdom 24/09/2015

    5 of 5 Stars!
    Have bought these for an art project i'm completing. Nicely packaged and great value for money! Cheers!!
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5.5mm Diameter Grade 100 Hardened AISI 440 Stainless Steel Ball Bearings
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Brands
Simply bearings are the UK's largest online retailer of bearings, seals, belts, chains, sprockets, lubricants and other associated power transmission equipment.
Simply Bearings Ltd, Halton House, Greenfold Way, Leigh
Greater Manchester
WN7 3XJ
United kingdom

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