Changshu Junhui Import & Export Trading Co., Ltd.

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ceramic shafts and bearings

Product Details:

Place of Origin	Jiangsu, China (Mainland)

Payment & Shipping Terms:

Payment Terms:	L/C,T/T

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Detailed Product Description

shafts and bearings for pumps or other precision machines

The alumina ceramic bar and rod. ( Seal gaskets & ceramic shafts:
sealing assembly for all kinds of water pumps and oil pumps especially in corrosive and abrasive services driving shafts for all kinds of small pumps for application in corrosive and abrasive services. )

      ItemIndex
      Al2O3 (%)≥95
      Direct Current Breakdown Strength (Kv/mm)   ≥20
      Dielectric Constant(ε 0.5-5MHz)   8.5-9.6
      Specific Volume Resistance ( Ω·m 25Ω·)    5 x 1012
      Coefficient of Heat Conductivity (W/mk 25)    21.8
      Thermal Expansivity (room temperature to 500 )     7 x 10-6
      Max. working temperature (C)   1540
      Hardness     ≥87
      Bulk Density (g/cm3)    ≥3.6

Property:

roughness: 0.002

precision of outside circle: 0.005

precision of inside circle: 0.01

tolerance on fit for axle with its seat: 0.01