RBC Thin Section Ball Bearings

RBC thin section ball bearings are engineered to solve a variety of design problems that cannot be solved with conventional ball bearings.

bearing material comparison

   K N P S
 Material Type Rings  52100  52100 + TDC 17 - 4 PH   440C
Balls  440C Si3N4 
 Typical Hardness HRc 58 - 66 HRc 70-72 H900 HRc 58 - 64
 Corrosion Resistant Material
Poor Good Very Good Good
 Fatigue Resistance
Good Good Poor Good
 Fretting Resistance
Good Very Good Poor Very Good
 Preservative
Yes  May be supplied with or without preservative