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Specification
Brand : HJCMOONB
BulletPoint1 : Bearings
BulletPoint2 : Model Number: 6909 Full Ceramic Si3N4; Torque Capacity: 45x68x12mm
BulletPoint3 : Surface Roughness: Ra 0.05; Structure: PTFE Cage; Coatings: Non-magnetic
BulletPoint4 : Material: Si3N4 Ceramic; Ball Qty: 15; Weight (g): 102.9
BulletPoint5 : Bearing Material: Silicon Nitride; Dynamic Load Rating (Cr) (N): 9870
BulletPoint6 : Static Load Rating (Cor) (N): 7581; Max Speed (X1000 RPM): 17
Color : One Color
ExternallyAssignedProductIdentifier : 9039039578533
ItemName : HJCMOONB Power Transmission Products 6909 6909CE Full Ceramic Bearing Si3N4 Material All Silicon Nitride Ceramic Ball Bearings 456812 mm Ball Bearings
ItemPackageDimensions_Height : 1 centimeters
ItemPackageDimensions_Length : 1 centimeters
ItemPackageDimensions_Width : 1 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : magnetic-bearings
Manufacturer : HJCMOONB
ModelNumber : HJCMOONB
NumberOfItems : 1
PartNumber : HJCMOONB
ProductDescription : Bearings
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: 6909CE
Bore Dia (d): 45 mm
Outer Dia (D): 68 mm
Width (B): 12 mm
Cage Material: PEFT
Bearing Material: Silicon Nitride
Dynamic Load Rating (Cr) (N): 9870
Static Load Rating (Cor) (N): 7581
Max Speed (X1000 RPM): 17
Ball Qty: 15
Weight (g): 102.9
ProductSiteLaunchDate : 2025-05-13T08:29:12.340Z
Size : One Size
UnitCount : 1