R4zz High Quality Low Noise Miniature Deep Groove Ball Bearing

• Contact Angle：Normal
• Aligning：Non-Aligning Bearing
• Separated：Unseparated
• Rows Number：Single
• Load Direction：Radial Bearing
• Material：Bearing Steel

=== Base Info ===

• Model NO.：R4ZZ
• Rotations：Smoothy
• Transport Package：Industrial Packing+Carton+Pallet
• Specification：R4 Open-ZZ-2RS 6.35X15.875X4.978mm
• Trademark：Normal
• Origin：Cixi, Ningbo, China
• HS Code：8482102000
• Production Capacity：1200000PCS a Month

=== Description ===
MaterialsStationCarbon steel   (Grinded bore/Not grinded bore)Station: not availableChrome steel  (Z1 Z2 Z3)Station: availableCeremic materials (White/Black)Station:  availableStainless steel  (SUS420/304)Station: available
Remark:   diffierent using enviroment required diffierent kinds of bearing.
Carbon steel:  low speed of RPM and without stress required environment.
Chrome steel:   widely used,but it has diffierent kinds of grade.
Ceremic materials: corrosion resitant,food machine parts,   As the elastic modulus of ceramic is higher than that of steel, it is not easy to deform when force, so it is helpful to improve working speed and achieve high precision.
Stainless steel:    corrosion resitant.









 

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