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Precision Glass Balls 75% SiO2 , 15% NaO2 , 8% CaO2 Density Is 2.8g/Cm3 , Intension Is 700kg/Mm2

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Precision Glass Balls 75% SiO2 , 15% NaO2 , 8% CaO2 Density Is 2.8g/Cm3 , Intension Is 700kg/Mm2

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Brand Name :	TOB Ceramic Bearings
Certification :	ISO 16949
Price :	negotiated
Payment Terms :	T/T
Supply Ability :	negotiated
Delivery Time :	negotiated

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Precision Glass Balls 75% SiO2 , 15% NaO2 , 8% CaO2 Density Is 2.8g/Cm3 , Intension Is 700kg/Mm2

Glass Precision Ball

The material of Glass Precision Ball is made up of 75% SiO2, 15% NaO2 and 8% CaO2, Glass Precision Ball is a kind of oxidation combination. Beading has the steady chemistry performance, high intension, anti-wearing, anti-fatigue, anti-canker and so on, whose density is 2.8g/cm3 and intension is 700kg/mm2, but high intension for press.

Staple Material and Manufacturing Presision
	Ceramic Balls	Plastic balls	Glass Balls	Stainless Balls
meterial	ZrO2,Si3N4,SiC,Al2O3	POM,PE,PP,PA,UPE,PEEK	GLASS	440C,304,316,316L
grad	G5-G200	G100-G1000	G100-G1000	G10-G200

Staple size of the balls
Size(inch)	Size(mm)	Size(inch)	Size(mm)
	1.5	1/16"	1.588
	2	3/32	2.381
1/8"	3.175	5/32"	3.969
3/16"	4.763	7/32"	5.556
1/4"	6.35	17/64"	6.747
	7	9/32"	7.144
5/16"	7.938	11/32"	8.731
3/8"	9.525	13/32"	10.319
7/16"	11.112	29/64"	11.509
15/32"	11.906		12
31/64"	12.303	1/2"	12.7
17/32"	13.494		14
9/16"	14.288	19/32"	15.081
5/8"	15.875	21/32"	16.669
11/16"	17.463	23/32"	18.256
3/4"	19.05	25/32"	19.844
	20	13/16"	20.638
7/8"	22.225	15/16"	23.812
1"	25.4	1-1/16"	26.988
1-1/8"	28.575	1-3/16"	30.163
1-1/4"	31.75	1-3/8"	34.925
	35	1-1/2"	38.1
1-5/8"	41.275	1-11/16"	42.863
1-7/8"	47.625	2"	50.8

Tolerance and surface roughness of the balls
Grade	Variation of ball diameter	Deviation from ( △ Sph)	Surface roughness spherical from(Ra)
Grade	not over μ m
3	0.08	0.08	0.012
5	0.13	0.13	0.02
10	0.25	0.25	0.025
16	0.4	0.4	0.032
20	0.5	0.5	0.04
28	0.7	0.7	0.05
40	1	1	0.08
60	1.5	1.5	0.1
100	2.5	2.5	0.125
200	5	5	0.2

Product Tags:

full ceramic bearings

ceramic ball bearings

Precision Glass Balls 75% SiO2 , 15% NaO2 , 8% CaO2 Density Is 2.8g/Cm3 , Intension Is 700kg/Mm2

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