SI3N4 bearing ball

Name: SI3N4 bearing ball
Brand: Shanghai Xinzhou Industry Co.,Ltd.
Rating: 4.2 (32 reviews)

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Model No. :	silicon nitride ceramic ball
Brand Name :	OEM

9yrs

Shanghai, Shanghai, China

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Shanghai Xinzhou Industry Co.,Ltd.

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Product description

Specifications SI3N4 bearing ball :

1 insulation

2 No metal pollution

3 Resistent to high temp

4 ISO9001

Properties		Unit	Si3N4
Physical and mechanical properties	Density	g/cm3	3.20-3.30
	TEC RT-1000oC	10-6 /K	3.2
	Young’s Modulus(RT)	GPa	300-320
	Poisson’s ratio		0.26
	Hardness(HV10) Hv H RC	MPa	1300-1600 75 ~ 80
	Bending Strength(σ, RT)	MPa	600-1000
	Fracture Toughness(KIC)	MPa×m1/2	5.0-7.0
	Therm.cond.(λ)	W/m×k	35
	Resistivity	Ωmm2 /m	1018
Service Properties	Max.Service Temp.	°C	800
	Corrosion Resistance		Strong
	Fatigue Cycles (L50)	times	107-10 9
	Friction without lubricatant		Small
	Magnetism		Non
	Centrifugal force when running		Small
	Temp.increase when running		Low
	Size stability		Good
	Insulation		Yes
	The way of fatigue damage		Pittings

The ceramic balls have the excellent performance of wear and corrosion resistanc,low density and high strenth,lubrication and maintenance free when working.They are the idear products for the bearing and chemical products!