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the 23156EW33 outer diameter is 460mm and the 23156EW33 width is 146mm
Ten-Pack 5/32 inch Ceramic Si3N4 Bearing Balls
Dynamic load rating Cr: 94
Oil Lubrication: 570 RPM
the NJ312 outer diameter is 130mm
61801-2RS1 Hybrid Ceramic Bearing Si3N4 Sealed Premium ABEC-5 12x21x5mm Ball Diameter - 11/32 inch (0.34375") the 23156EW33 outer diameter isHybrid ceramic sealed ball bearing 12mm x 21mm x 5mm ABEC 5 S61801 2RS premium Si3N4 ceramic ball bearing for smooth high speed work This single S61801 2RS hybrid ceramic bearing gives you stainless steel raceways paired with Si3N4 ceramic balls, a nylon cage, and double rubber seals for clean, low friction rotation. Built to ABEC 5 precision with C3 clearance, its a handy choice for electric motors, 3D printers, performance equipment, and any setup
