Power Transmission Products 6905 Full Ceramic Bearing 25429 mm Si3N4 Material 6905CE All Silicon Nitride Ceramic 6905 Ball Bearings Ball Bearings

Bearings1 Properties of full ceramic materialsCeramic 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 BearingsFull ceramic (All-ceramic) bearing of Si3N4 materialFull 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 DementionsItem: 6905CEBore Dia (d): 25 mmOuter Dia (D): 42 mmWidth (B): 9 mmCage Material: PEFTBearing Material: Silicon NitrideDynamic Load Rating (Cr) (N): 4901Static Load Rating (Cor) (N): 3178Max Speed (X1000 RPM): 29Ball Qty: 13Weight (g): 33

• Bearings
• Model Number: 6905 Full Ceramic Si3N4; Torque Capacity: 25x42x9mm
• Material: Si3N4 Ceramic; Coatings: Non-magnetic; Structure: PTFE Cage
• Bearing Material: Silicon Nitride; Dynamic Load Rating (Cr) (N): 4901
• Static Load Rating (Cor) (N): 3178; Max Speed (X1000 RPM): 29
• Surface Roughness: Ra 0.05; Ball Qty: 13; Weight (g): 33