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20mm Diameter Grade 100 Hardened 52100 Chrome Steel Ball Bearings

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Average Rating (15 Reviews)

20mm Diameter Grade 100 Hardened 52100 Chrome Steel Ball Bearings

From: £2.95 ex VAT This item is available from stock

Description Technical Downloads Reviews [15]

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

Brand / Quality: Simply Ital Ball - High Quality
Ball Diameter: 20mm

Material

AISI 52100 Chrome Steel

Min Crush Load

17400kg

Hardness

60-67 HRC

Hardness Depth

Through Hardened

Corrosion Resistance

Keep Oiled

Note

Not Drillable

Weight Each

32.6304g

Attracted to Magnets

Yes

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	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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Barry Beever, United kingdom 08/10/2018

I'm happy with the service i received, from helping me to find the correct o ring, to getting it delivered so quickly. Excellent o rings too.

Victor Bolton, United Kingdom 03/11/2016

Fantastic Serivce

Chris Robson, United kingdom 07/09/2015

Excellent

Asa Cervantes, United Kingdom 19/08/2015

I would highly recommend Simply Bearings Ltd to anyone looking for bearings/seals and anything of the transmission type! Fantastic website, very easy to navigate and great customer service! A ****

Camryn Abel, United Kingdom 21/07/2015

Thanks again for your fantastic quick service, I got my ball bearings this morning and I can get my art work done now. Thanks again for your time and effort.