B7020-C-T-P4S-UL

The B7020-C-T-P4S-UL spindle bearing is a super-precision, single-row angular contact ball bearing designed for the most demanding applications, particularly main spindles in machine tools. With a 100mm bore, 150mm outer diameter, and 24mm width, this FAG/Schaeffler bearing features a 15-degree contact angle (C) and a robust textile laminated phenolic resin cage (T), providing excellent high-speed capabilities and thermal stability up to 100°C. The P4S precision class signifies boundary dimensions better than ISO 4, while the UL designation indicates a universal design for single bearings, often used in light preload arrangements or paired for enhanced rigidity and load capacity in tandem or back-to-back configurations. Its construction with large steel balls ensures a superior combination of high load carrying capacity, exceptional rigidity, and precise guidance, making it ideal for applications requiring extreme accuracy and smooth operation.

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