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LFR5201KDD U Groove Track Roller Bearings 12x35x15.9mm LFR5201KDD U groove track roller bearings are produce with Chrome steel Gcr15 ,we can provide sample for you test . more
SG25 U Groove Ball Track Guide Bearings 8*30*14mm SG25 bearings are produce with Chrome steel Gcr15 ,we can provide sample before order . more
S51106 Thrust Ball Bearings 30x47x11mm S51106 Stainless steel thrust ball bearing,produce with stainless steel ,we can provide with OEM service for you . more
We have ceramic balls with material ceramic ZRO2, SI3N4, SIC high precision can be provide such as G5 G10 G20 G50
item no.:
5/32' 3.969mm 1/16'lead time:
7 days after confirm ordershipping port:
Ningbo ,Shanghai,Guanzhoucolor:
black whiteMOQ:
1
China Wholesale Small Ceramic Balls Specfication :
| 
						Product Name
					 | 
						Precision Ceramic balls
					 | 
| 
						Material
					 | 
						Zirconia, Silicon nitride, silicon carbide, SIC
					 | 
| 
						Size
					 | 
						1mm - 30mm
					 | 
| 
						Grade
					 | 
						G3- G20mm
					 | 
| 
						Surface Roughness | 
						Ra0.05
					 | 
| 
						Torlerance | 
						+/- 0.001mm
					 | 
| 
						Lead time | 
						10days
					 | 
| 
						Shipping | 
						Air Express (DHL/UPS/TNT/ FedEx)
					 | 
|  |  | 
	
Standard Sizes List Of Ceramic Balls
| 
							Inch Size
						 | 
							MM Size
						 | 
							Inch Size
						 | 
							MM Size
						 | 
							Inch Size
						 | 
							MM Size
						 | 
							Inch Size
						 | 
							MM Size
						 | 
| 
							1/16
						 | 
							1.588
						 | 
							5/16
						 | 
							7.938
						 | 
							9/16
						 | 
							14.288
						 | 
							15/16
						 | 
							23.812
						 | 
| 
							3/32
						 | 
							2.381
						 | 
							11/32
						 | 
							8.731
						 | 
							19/32
						 | 
							15.081
						 | 
							1
						 | 
							25.4
						 | 
| 
							1/8
						 | 
							3.175
						 | 
							3/8
						 | 
							9.525
						 | 
							5/8
						 | 
							15.875
						 | 
							17/16
						 | 
							26.988
						 | 
| 
							5/32
						 | 
							3.969
						 | 
							13/32
						 | 
							10.318
						 | 
							21/32
						 | 
							16.668
						 | 
							9/8
						 | 
							28.575
						 | 
| 
							3/16
						 | 
							4.762
						 | 
							7/16
						 | 
							11.1125
						 | 
							11/16
						 | 
							17.462
						 | 
							19/16
						 | 
							30.162
						 | 
| 
							7/32
						 | 
							5.556
						 | 
							29/64
						 | 
							11.509
						 | 
							23/32
						 | 
							18.256
						 | 
							5/4
						 | 
							31.75
						 | 
| 
							15/64
						 | 
							5.953
						 | 
							15/32
						 | 
							11.906
						 | 
							3/4
						 | 
							19.05
						 | 
							21/16
						 | 
							33.338
						 | 
| 
							1/4
						 | 
							6.35
						 | 
							31/64
						 | 
							12.303
						 | 
							25/32
						 | 
							19.844
						 | 
							11/8
						 | 
							34.925
						 | 
| 
							17/64
						 | 
							6.747
						 | 
							1/2
						 | 
							12.7
						 | 
							13/16
						 | 
							20.638
						 | 
							23/16
						 | 
							36.512
						 | 
| 
							9/32
						 | 
							7.144
						 | 
							17/32
						 | 
							13.494
						 | 
							7/8
						 | 
							22.225
						 | 
							3/2
						 | 
							38.1
						 | 
Grades of Precision for Ceramic Bearing Balls:
| 
						Grades
					 | 
						Diameter Variation
					 | 
					Spherical Deviation
				 | 
					Diameter Variation of Batch
				 | 
						Surface 
					 
						Roughness(Ra)
					 | 
| 
						G5
					 | 
						0.13
					 | 
						0.13
					 | 
						0.25
					 | 
						0.014
					 | 
| 
						G10
					 | 
						0.25
					 | 
						0.25
					 | 
						0.5
					 | 
						0.020
					 | 
| 
						G16
					 | 
						0.4
					 | 
						0.4
					 | 
						0.8
					 | 
						0.025
					 | 
| 
						G20
					 | 
						0.5
					 | 
						0.5
					 | 
						1
					 | 
						0.032
					 | 
| 
						G28
					 | 
						0.7
					 | 
						0.7
					 | 
						1.4
					 | 
						0.050
					 | 
| 
						G40
					 | 
						1
					 | 
						1
					 | 
						2
					 | 
						0.080
					 | 
| 
						G60
					 | 
						1.5
					 | 
						1.2
					 | 
						3
					 | 
						0.1
					 | 
| 
						G100
					 | 
						2.5
					 | 
						2.5
					 | 
						5
					 | 
						0.125
					 | 
	
	
Properties of Best Ceramic Balls Materials:
| 
					Item
				 | 
						Units
					 | 
						Si3N4
					 | 
						ZrO2
					 | 
						GCr15
					 | 
						9Cr18
					 | 
| 
					Color
				 | 
						-
					 | 
						Black
					 | 
						White
					 | 
						Grey
					 | 
						Grey
					 | 
| 
					Density
				 | 
						g/cm3
					 | 
						≥3.20
					 | 
						5.95-6.05
					 | 
						7.85
					 | 
						7.85
					 | 
| 
					Hardness (HV)
				 | 
						Gpa
					 | 
						16
					 | 
						12
					 | 
						7
					 | 
						7
					 | 
| 
					Flexural Strength
				 | 
						Mpa
					 | 
						>720
					 | 
						900
					 | 
						-
					 | 
						-
					 | 
| 
					Fracture Toughness
				 | 
						Mpa.m1/2
					 | 
						6.2
					 | 
						7
					 | 
						20
					 | 
						25
					 | 
| 
					Elasticity Modulus
				 | 
						Gpa
					 | 
						300
					 | 
						210
					 | 
						208
					 | 
						200
					 | 
| 
					Coefficient of Thermal Expansion
				 | 
						10-6/℃
					 | 
						3.0-3.2
					 | 
						10.3
					 | 
						12.5
					 | 
						17
					 | 
| 
					Thermal Conductivity
				 | 
						w/m.k
					 | 
						15-20
					 | 
						2.2
					 | 
						40
					 | 
						40
					 | 
| 
					Volume Resistivity
				 | 
						Ω.cm
					 | 
						>1014
					 | 
						1012
					 | 
						0.1-1
					 | 
						0.1-1
					 | 
| 
					Max. Operating Temp.
					 
						(No load)
					 | 
						℃
					 | 
						1200
					 | 
						850
					 | 
						300
					 | 
						150
					 | 
	
Application of Ceramic Balls :
Ceramic ball can be used in all bearings with special requirement, metering ball , valve ball, track ball, and precision grinding ball; it can be used in fields requiring chemical resistance, high temperature, electronic insulation, magnetic insulation, non-lubrication. It is an idea substitute for steel ball in chemical corrosion application.
	
Material: Zirconia, Alumina, Si3N4
Size Range: 1mm - 30mm.
Grade: G3 - G20
	
	
	
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