• Item: 61888M Ball Bearings;
• Type: Deep Groove Ball Bearings;
• Brand: RDRJ
• Material:
Outer ring: High-carbon chrome bearing steel (Fully quench-hardened);
Inner ring: High-carbon chrome bearing steel (Fully quench-hardened);
Ball: High-carbon chrome bearing steel (Fully quench-hardened);
Retainer: High-carbon chrome steel stamping;
Seals: Cold-reduced electrolytic tinplate;
• Dimensions: 440mm x 540mm x 46mm;
• ID (inner diameter)/Bore: 440mm;
• OD (outer diameter): 540mm;
• Width/Height/Thickness: 46mm;
• Precision Rating: ISO Class 6/ ABEC-3/ DIN P6/JIS Class 6;
• Basic static load capacity: 228Cor(KN);
• Basic dynamic load capacity: 355Cr(KN);
• Limiting Speed: 2600 rpm (Grease lubricated); 1200 rpm (Oil lubricated);
• Type of Retainer:Center-punch riveted;
• Number of Row: Single Row.








