ceramic ball bearings
Timken® Fafnir® hybrid ball bearings combine ceramic rolling elements with superfinished steel rings. This “hybrid” combination provides superior ceramic performance at a cost-effective price. This design also enables ceramic bearings to deliver outstanding service life and operating characteristics at high spindle speeds.
Size range: 10 mm - 200 mm (0.3937 in. - 7.874 in.) bore
Design Attributes
Design combines ceramic rolling elements with superfinished steel rings to run faster, cooler and longer.
Advanced design and materials help improve rigidity while reducing noise, vibration and operating temperature.
Can be ordered with or without seals.
Expanded options include custom preloads, 15° or 25° contact angles, and designs to ISO/ABMA 02, 10, 19 specifications.
Applications
Aircraft generators
Biotechnology equipment
High speed machining and grinding spindles
high speed mills
Precision instruments
Pumps and compressors
•High speed, faster acceleration comes from a material only 40% as dense as steel, yet strong enough to deliver 30-50% higher running speeds with reduced skidding and a lower volume of lubrication
•Greater accuracy is the result of balls with a 50% higher modulus of elasticity than steel. This greater rigidity means less of the deformation that leads to vibration and spindle deflection, thus increasing both component quality and productivity
•Reduced friction leads to a host of benefits: longer life, less lubrication, energy efficiency, reduced sound levels and less heat
•Non-conductive properties of a nonmetal like silicon nitride eliminate the pitting and fluting of raceways common in electric motor applications
•Corrosion resistance of silicon nitride makes it more effective than steel bearing balls in the presence of water or corrosive chemicals
•Longer operating life ...5 to 10 times longer than standard metal bearings
