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    Their ceramic bearings are of high precision, good quality and inexpensive. We do have cooperation for many years.
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    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.
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20x35x110mm Silicon Nitride Ball Bearing Thrust Type 51104

  • 20x35x110mm Silicon Nitride Ball Bearing Thrust Type 51104
  • 20x35x110mm Silicon Nitride Ball Bearing Thrust Type 51104
Place of Origin China
Brand Name CSQ
Model Number 51104
Minimum Order Quantity 50 pcs
Price Negotiable
Packaging Details Plastik box+carton box
Delivery Time 30-40 work days
Payment Terms T/T
Supply Ability 50 pcs in 30-40 work days

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Product Details
Name Silicon Nitride Ball Ceramic Thrust Bearing 51104 Category Ceramic Thrust Bearing With Si3N4 Balls
Material Zirconia Races+Silicon Nitride Balls+PTFE Cage Form Size Ø20×Ø35×110mm
MOQ 50 Pieces Pacage Plastik Box+carton Box
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Silicon Nitride Ball Bearing 51104

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thrust ball bearing type 51104

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20x35x110mm Silicon Nitride Ball Bearing
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Product Description

 

Silicon nitride ball Ceramic Thrust Bearing 51104 (ZrO2 Races+Si3N4 Balls+PTFE Cage)

 

Description of Si3N4 Ball Thrust Bearing 51104:

 

1. ZrO2 races: Are made by highly purified, sub-micron and after Y2O3 partially stabled zirconia powder material and are processed by AP (Atmospheric Pressure) sintering and HIP (Hot Isostatic Pressure) sintering technology.

 

2. Si3N4 Balls: Are made of highly purified, submicron silicon nitride powder with an alpha phase of more than 92%, and are processed by GPS (Gas Pressure) sintering and HIP (Hot Isostatic Pressure) sintering technology. 

 

3. PTFE cage:  has excellent resistance to molten metal sodium and liquid fluorine, to all kinds of acid and alkali corrosion and organic solvent,can work in +250℃ to -180℃ temperature for a long time.

 

Performance advantage of Si3N4 Ball Thrust Bearing 51104:

 

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)
51104CE 11440 20995 5300 8000

 

Material properties of zirconia and silicon nitride:

 

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

 

20x35x110mm Silicon Nitride Ball Bearing Thrust Type 51104 0

 

20x35x110mm Silicon Nitride Ball Bearing Thrust Type 51104 1

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