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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

Silicon Nitride Mini Small Ceramic Bearings Deep Groove 624 625 626 627 628 629

  • Silicon Nitride Mini Small Ceramic Bearings Deep Groove 624 625 626 627 628 629
  • Silicon Nitride Mini Small Ceramic Bearings Deep Groove 624 625 626 627 628 629
Place of Origin China
Brand Name CSQ
Model Number 620 series
Minimum Order Quantity 60 pcs
Price Negotiable
Packaging Details Plastik box+carton box
Delivery Time Negotiable
Payment Terms T/T
Supply Ability Negotiable

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Product Details
Name Ceramic Miniature Deep Groove Balls Bearings Model 620 Series
Race Material Zirconia Or Silicon Nitride Or Silicon Carbide Ball Material ZrO2/Si3N4/SSiC
Precision P6/ABEC3 To P4/ABEC7 Clearance C0/C3 Or Customized
Pacage Plastik Box+carton Box MOQ 50 Pieces
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silicon nitride ceramic ball bearings

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624 ceramic bearing

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626 ceramic bearings
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Product Description

 

ZrO2/Si3N4/SSiC Miniature Deep Groove Balls Bearings Of 620 Series

 

Material properties of ceramic material:

 

Ceramic Bearing are anti strong acid, strong alkali,salt and other corrosive media erosion, high temperature resistance, wear resistance, light structure, high speed limit, low noise, electricity insulation, the dimension keep stable under high temperature, smaller startup torque, keep working under bad lubricant condition, having longer using lifespan, and common metal incomparable advantages.

 

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)

 

Reference data of 620 series Miniature Ceramic Deep Groove Balls Bearings:

 

Bearings model Form size
d (mm)		 Form size
D (mm)		 Form size
B (mm)		 Load
Cr (N)		 Load
Cor (N)		 Max.Speed
Grease (rpm)		 Max. Speed
Oil (rpm)
624CE 4 13 5 1145 488 40000 48000
625CE 5 16 5 1522 675 36000 43000
626CE 6 19 6 2056 896 32000 40000
627CE 7 22 7 2893 1379 30000 36000
628CE 8 24 8 2930 1423 28000 34000
629CE 9 26 8 4026 1983 28000 34000

 

Silicon Nitride Mini Small Ceramic Bearings Deep Groove 624 625 626 627 628 629 0

 

Silicon Nitride Mini Small Ceramic Bearings Deep Groove 624 625 626 627 628 629 1

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626 ceramic bearings

6200 ceramic bearing

6302 ceramic bearing