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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
ceramic balls with material ceramic ZRO2 can use for bearings and we have precision 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 White Ceramic Balls Specfication :
| 
						Product Name 
					 | 
						Precision Ceramic balls 
					 | 
| 
						Material 
					 | Zirconia Oxide | 
| 
						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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