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  • Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
    Roberta
    Their ceramic bearings are of high precision, good quality and inexpensive. We do have cooperation for many years.
  • Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
    Olga Weinberg
    This company is our reliable and professional supplier of ceramic bearings for many years, their ceramic bearings, which are used in our pump are good in quaility.
Contact Person : Cooper wang
Phone Number : 86 15801087509

6902 Ssic / Si3n4 / Zro2 High Speed Ceramic Bearings P6

  • 6902 Ssic / Si3n4 / Zro2 High Speed Ceramic Bearings P6
  • 6902 Ssic / Si3n4 / Zro2 High Speed Ceramic Bearings P6
Place of Origin China
Brand Name CSQ
Model Number 6902(61902CE)
Minimum Order Quantity 50 pcs
Price Negotiable
Packaging Details Plastik bag+foam+carton box
Delivery Time Negotiable
Payment Terms T/T
Supply Ability Negotiable

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Product Details
Name Ceramic Ball Bearing 6902 Structure Extra Thin Type Ceramic Deep Groove Ball Bearing
Material SSiC/Si3N4/ZrO2 Precision P6/ABEC3 To P4/ABEC7
Pacage Plastik Bag+foam+carton Box Delivery Time Negotiable
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Product Description

 

Ceramic Ball Bearing 6902 In Material Of SSiC/Si3N4/ZrO2

 

Description of Ceramic Bearing 6802:

 

1. SSiC races and balls are made of highly purified, sub-micron silicon carbide material. We sintered the silicon caibide with pressureless sintering method, so SSiC material have well corrosion resistance, high strengthm high hardness, wear resistance and small friction coefficient, antioxidant, small creep high temperature and good heat stability. 

 

2. Si3N4 races and balls are made of highly purified, submicron silicon nitride powder with an alpha phase of more than 92%, and is processed by GPS (Gas Pressure) sintering and HIP (Hot Isostatic Pressure) sintering technology.Compared with GPS sintered silicon nitride material, the porosity, wear resistance, crushing value and fatigue contact life of after HIP sintered sinlicon nitride have been greatly improved, which is the preferred material for ultra-high speed and high precision ceramic bearings.

 

3. ZrO2 races and balls are made by highly purified, sub-micron and after Y2O3 partially stabled zirconia powder material, are processed by AP (Atmospheric Pressure) sintering and HIP (Hot Isostatic Pressure) sintering technology, so their porosity, wear resistance, impact resistance and resistance to fatigue contact life are greatly improved. ZrO2 all ceramic bearings is a kind of special bearings through full grinding, with high precision and a variety of excellent performance and  is one of the most widely used ceramic bearings.

 

4. The material of cages can be chosen among Peek, , PFA and other material you required. PEEK and material both have good chemical stability, are resistant to many kinds of acid and alkali corrosion and high temperature resistant.

 

Material properties of our ceramic material:

 

Material Properties Units SSiC HIP-Si3N4 GPS-Si3N4 HIP-ZrO2
Density g/cm3 3.15-3.18 3.27-3.29 3.22-3.27 6.05-6.09
Porosity % 0 0 0 0
Fledural Strength MPa 550 830 689 900
Elastic Modulus GPa 410 310 310 200
Hardness HV5 2800 1580 1450 1300
Fracture Toughness KIC MPa.m1/2 4.6 6.1 5.7 8-11
Maximum Use Temperature ℃
(℉)		 1650
(3000)		 1000
(1830)		 1000
(1830)		 380
(716)

 

Performance reference data of 6902:

 

Ceramic Bearings Dimension Reference  
Bearings Model Load Rating (Ref.) Load Rating (Ref.) Max Speed (Ref.) Max Speed (Ref.)
  Cr(N) Cor(N) Grease (rpm) Oil (rpm)
61902CE 3225 2250 26000 34100

 

6902 Ssic / Si3n4 / Zro2 High Speed Ceramic Bearings P6 0

 

6902 Ssic / Si3n4 / Zro2 High Speed Ceramic Bearings P6 1

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