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Our major products include full ceramic bearings, hybrid bearings, plastic bearings, stainless steel bearings, ceramic parts, plastic parts & bearing units.

Our goal:Our bearings, Your solutions!

2004

be founded in

NO.396 JIAHE ROAD XIAMEN CHINA

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professional manufacturer and distributor for special materials bearings

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Silicon Nitride (Si3N4)-Inch Size-1/4"

Silicon Nitride (Si3N4)-Inch Size
Part Number :1/4"
Grade :G5
Max Temp.(°C) :800
Density :3.20~3.30 g/cm
Hardness( HRC) :75~80
Ball Dia Tolerance :0.000010"
Sphericity :0.000005"
Weight :0.4317g
Material :Silicon Nitride(Si3N4)
Color :Black
Poisson's ratio :0.26
Coefficien t of thermal expansio n(10-6/K) :3.2
Metrology system :Imperial
RoHS :YES
REACH :YES

High-performance bearings with exceptional strength (1,200 MPa), thermal shock resistance, and electrical insulation. Ideal for aerospace, medical, and industrial applications requiring inch-sized precision and extreme durability.