20mm Diameter Solid Delrin Polyoxymethylene (POM) / Celcon Plastic Balls Simply Bearings Ltd

Quantity	Prices
5+	£2.81 each
10+	£2.40 each
20+	£2.21 each
50+	£2.00 each
100+	£1.61 each
500+	£1.40 each
1000+	£1.20 each

Delrin Balls: Delrin is the name commonly used for the less commonly known polyoxymethylene (POM) acetal plastic. It has high mechanical strength and rigidity, is tough and tolerant to repeated impacts and has a good long term fatigue endurance. It has excellent resistance to petroleum based solvents, moisture and other neutral chemicals. Its has good electrical insulating properties and self lubricates in use. It can be operated within a wide operating temperature range up to 150 Deg C.
Note: There are many factors which may influence the performance of this product, temperature, chemical exposure etc. - always test for your own application before selecting large quantities of this product.
Benefits: Self lubricating, tough, durable

Notes: Delrin balls are generally produced in an almost pure white colour however dependent on manufacturing origin can be off white or yellowy white, yellow, orange, blue, brown, black and grays are all common. There is no difference in the material properties in different colours - it is merely the pigment.
These balls will not float.

Camren Keith, United Kingdom
Review added on 18/02/2020

Very happy with my order first time using your company and it wont be the last. Excellent range of products at very competitive prices.
Zak Alijah, United Kingdom
Review added on 21/02/2019

Great quality balls, much cheaper than my local supplier and every bit as good. Super fast delivery service which was free. I will be back.
Ezekiel Yusuf, United Kingdom
Review added on 08/05/2015

Great products and reasonably priced too. Arrived the following day and was very well packaged. Thanks.
Barry Bangham, United kingdom
Review added on 17/04/2015

I use this bearing in doming blocks to bend coin rings under a 6 ton hydraulic press and they work fine they do not put any marks on the coin
Gauge Lane, United Kingdom
Review added on 31/12/2014

I phone up at Simply bearings, for a 20mm derlin ball for my Potable water systems, they are fixed thanks alot with your support and advise I will be needing you again. Thanks alot for your fast service.

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20mm Diameter Solid Delrin Polyoxymethylene (POM) / Celcon Plastic Ball

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Ball diameter	=	20mm
Approx Weight (per ball)	=	5.9062 g
ISO Symbol	=	POM
TRADE NAME	=	Delrin Celcon
Chemical name	=	Polyoxymethylene (Delrin)
Specific weight kg/dm³	=	1.42 ASTM D.792
Water absorbtion N%	=	0.9 ASTM D.570
Tensile strength kg/cm²	=	680 ASTM D.638
Stretch %	=	75 ASTM D.638 ASTM
Modulus of tensile elasticity kg /cm³	=	29.000 ASTM D.638
Impact strength IZOD kg.cm/cm	=	18 at 25 deg C and 10 at 40 Deg C ASTM D.256
Rockwell hardness	=	120 Scale R ASTM D.785
Max operation temp	=	150 deg C
ASTM	=	This is the test method used.
Other information	=	These balls will not float

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