1 Properties of full ceramic materials
Ceramic Bearings, including components made from ceramic, have the special properties that steel bearings do not have, such as being non-magnetic or insulating. They can be used in new applications where conventional bearings have not been practical.
Ceramic Bearings are highly heat resistant, enabling a rolling bearing to be practical in a high temperature environment. The low density of ceramic decreases the centrifugal force induced by rolling elements (balls or rollers), contributing to an increased speed of the apparatus.
2 Structure of full ceramic Bearings
Full ceramic (All-ceramic) bearing of Si3N4 material
Full ceramic bearing made with Si3N4 have some better performance than ZrO2, the rings and balls made by full ceramic material:Si3N4, as a standard construction, the cage made by PTFE, Compares than the material of ZrO2 ,The SiN4 ceramics bearings could endure heavier load and could be used in higher temperature environment.
3 Dementions
Item: 6902CE
Bore Dia (d): 15 mm
Outer Dia (D): 28 mm
Width (B): 7 mm
Cage Material: PEFT
Bearing Material: Silicon Nitride
Dynamic Load Rating (Cr) (N): 3025
Static Load Rating (Cor) (N): 1581
Max Speed (X1000 RPM): 45
Ball Qty: 10
Weight (g): 6.3
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