High-precision bearings specifically designed for air conditioning compressors, ensuring smooth rotation, low friction, and long service life under high-speed and high-temperature conditions.
Category: B70 Series Bearing Angular Contact Ball Bearings
Rolling Element: Steel Ball, Ceramic Balls
Generally, the steel balls are recommended for medium or high speed while the ceramic balls are recommended for high speed or special working conditions.
Sealed: No Structural

Speed Factor when the rolling elements are steel ball,
Grease :DmN120000 (that is, limit speed N1200000/Dm
Oil (minimum) : DmN1800000 when the rolling elements are ceramic ball,
Grease : DmN140000 (that is, limit speed N1400000/Dm
Oil (minimum) : DmN2200000

Applications: mainly used for high rotating accuracy and high rotational speed.
For example, CNC lathe spindle, high speed electrical spindle for grinding, grinding wheel spindle, high speed and high precision machinery, etc.
Compatible with rotary, scroll, and reciprocating compressor types.