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Average Rating (14 Reviews)
1/8 inch Diameter Grade 100 Hardened 52100 Chrome Steel Ball Bearings
 From
2.29
ex. VAT
Pack Size:  
Available for same day dispatchAvailable for same day dispatch

Industry Standard Grade 100 Hardened Steel Ball Bearings: High Quality Graded Hardened Chrome Steel Ball bearings made from Chromium AISI 52100 steel. Hardened to 60-67 Rockwell Scale equivalent to 700-900 HV (Vickers Scale) and are hardened all the way through the ball. These are the same hardened steel balls used to manufacture bearing assemblies and have a high duty and life cycle.
Manufactured in compliance to the following international standards: AISI52100 / EN31 / BS534A99 / W1.3505 / BS535A99 / UNI100C6 / AFN100C6 / DIN100C6 / JIS G4805 SUJ2
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Precision Manufactured Ball Bearing Replacement Parts

More Information
  Material = AISI 52100 Chrome Steel
  Min Crush Load = 666kg
  Hardness = 60-67 HRC
  Hardness Depth = Through Hardened
  Corrosion Resistance = Keep Oiled
  Note = Not Drillable
  Weight Each = 0.13g
  Attracted to Magnets = Yes
  Avg Qty / Litre = 37000
Steel Ball Measuring Diameter
  • Chrome steel balls are made from AISI 52100 Chrome steel.
  • Uniformly hardened and tempered all the way through the ball to achieve maximum strength and quality.
  • Ball hardness is controlled within the 60-67 HRC range as measured on parallel flat surfaces.
  • Ball grades are defined numerically 3 - 2000 (3 being highest quality, 2000 is the lowest)
  • Chrome steel balls are attracted to magnets.
GRADES
Grade
Diameter Tolerance Per Ball
Sphericity Diameter Tolerance per Unit Container Diameter Tolerance
Max Surface Roughness
-
Inch
Inch
Inch
Inch
Inch
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

Product Reviews Average Customer Rating:
By: Ulises Ricky, United Kingdom on 24/07/2015

Quality ball bearings received quickly. Securely packaged, impressed will be back to order from you again soon as the service has been brilliant. Thank you

5 of 5 Stars!
By: Hamza Elias, United Kingdom on 15/07/2015

Excellent Simply Bearings! I will deffo be back

4 of 5 Stars!
By: Jaxon Ernest, United Kingdom on 14/07/2015

Great quality product and fantastic service. Ive been able to complete my project without spending too much money thanks to Simply Bearings.

5 of 5 Stars!
By: Brian Sloan, United kingdom on 14/07/2015

Ordered these on Friday at around midday and received them on Sat noon!! CAN'T BEAT THAT FOR SERVICE

5 of 5 Stars!
By: Anders Norrman, Sweden on 06/07/2015

Fast shipment and order handling.

5 of 5 Stars!
By: Tormod Åmlid, Norway on 29/06/2015

As expected: Perfect

5 of 5 Stars!
By: Hugh Woodberry, United kingdom on 16/06/2015

First class product exactly what i wanted thank you

5 of 5 Stars!
By: Ian Jackson, United kingdom on 14/06/2015

I originally ordered the wrong sized bearings. A quick call late Friday afternoon to Simply Bearings and the correct bearings were in the post and arrived Saturday morning - amazing service and very very friendly and knowledgeable staff - If I could give 6 out of 5 I would.

5 of 5 Stars!
By: Keith Clague, United kingdom on 28/05/2015

I had thought it would be difficult to get bearings for an old eggbeater drill. To my complete surprise Simply bearings had what I was after and delivered them the next day. Excellent service. So much so, yesterday I ordered a couple of deep groove bearings for my band saw they arrived this morning. I don't have a lot of need for bearings, but when I do, I will use simply bearings.

5 of 5 Stars!
By: William Kelly, United kingdom on 30/04/2015

A simple, low value order received exactly as required - incredibly quickly - received within less than 24 hours from placing the order. An excellent service with the help of an excellent website.

5 of 5 Stars!
By: Jaime Fernandez, United Kingdom on 20/03/2015

bought a 1000 at a great price nice1

5 of 5 Stars!
By: Sonny Elian, United Kingdom on 18/03/2015

Bang on size. thank you

5 of 5 Stars!
By: Carlos Graef, United kingdom on 05/02/2015

Perfect! Very good quality Excellent service.

5 of 5 Stars!
By: Johan Remington, United Kingdom on 13/10/2014

Great balls, fab quality, I can finally move on to my next prodject, These balls are keeping me busy and works well for my uni art work. I will be defo be using use again in the future for loads more balls. Thanks alot for your time and speedy delievery, a well happy customer.

5 of 5 Stars!
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Brand:  Ital Ball
Ball Diameter:  3.18mm = 1/8 inch
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Simply Bearings Ltd ~ Halton House, Greenfold Way, Leigh Business Park, Leigh, Lancashire, WN7 3XJ
Registered in England and Wales. Company Number: 05473344 Vat: 864778270

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