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Average Rating (13 Reviews)
2.5mm 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
Download The Data Sheet for This Product Download the data sheet for this product

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Tick Precision Instruments
Tick Calibration and examination balls
Tick Train sets & Models
Tick University & College Experiments
Tick Art & Craft Projects / Jewellery
Tick Great value quality parts dispatched the same day

Precision Manufactured Ball Bearing Replacement Parts

More Information
  Material = AISI 52100 Chrome Steel
  Min Crush Load = 436kg
  Hardness = 60-67 HRC
  Hardness Depth = Through Hardened
  Corrosion Resistance = Keep Oiled
  Note = Not Drillable
  Weight Each = 0.06373g
  Attracted to Magnets = Yes
  Avg Qty / Litre = 75500
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: pixel
By: Jose Humberto, Spain on 03/12/2015

El producto es exactamente lo que ped, he podido reparar un eje de bolar con su producto.

5 of 5 Stars!
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By: Tyrell Reilly, United Kingdom on 21/09/2015

Amazed at these little things... ordered 2000 and within 24 hours they had arrived . very well packaged

5 of 5 Stars!
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By: Braden Chance, United Kingdom on 15/09/2015

Great quality balls . came well packaged and the delivery was quick

5 of 5 Stars!
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By: Damon Maddox, United Kingdom on 04/09/2015

Great prices and a service that fits perfectly with the prices, thank you

5 of 5 Stars!
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By: Amaya Zaire, United Kingdom on 24/07/2015

Just a small packed of bearings just to use as an experiment. Will be back to order from you again soon as the service has been brilliant. Thank you

5 of 5 Stars!
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By: Malcolm Wells, United kingdom on 17/07/2015

Very small order placed in morning - delivered next morning. Goods exactly as described on website. Hard to see how you could improve on this!

5 of 5 Stars!
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By: Gilberto Frazier, United Kingdom on 30/06/2015

Perfect. High quality. No complaints at all. Great fast service from Simply Bearings.

5 of 5 Stars!
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By: Luke Dashawn, United Kingdom on 13/05/2015

I placed a small order via your website which I have to say is one of the easiest ordering processes I have ever experienced, well the package was with me the next day on standard free delivery. What more can you ask for

5 of 5 Stars!
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By: Gerry Winfield, United kingdom on 09/05/2015

Excellent service, bearings arrived the following day.

5 of 5 Stars!
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By: Cedric Dakota, United Kingdom on 01/05/2015

Really pleased with the quality of these products. Packaged very well and arrived sooner than expected. 10/10! Excellent customer service. The sales team cant do enough to help. Thanks again!

5 of 5 Stars!
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By: Brian Loades, United kingdom on 12/02/2015

Easy to order, delivered on time.

5 of 5 Stars!
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By: John Barnes, United kingdom on 02/02/2015

exactly what I ordered and very quick

5 of 5 Stars!
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By: Warren Esparza, United Kingdom on 27/11/2014

Bought these to try out on a little experiment and they were just the job, Thank you!

5 of 5 Stars!
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Current Reviews: 13 See all
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Brand:  Ital Ball
Ball Diameter:  2.5mm
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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
Information is published in good faith however we cannot accept liability should there be any errors.

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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