- Inner locking material: 52100 chromium steel, hard chrome plated, HRC 58-64 - Outer locking material: carbon steel - Sliding contact surface: steel / PTFE - This section bearing offers smooth operation, low noise, and long service life Benefits and features - High wear resistance and load capability from the hardened 52100 steel with hard chrome finish - Strong outer shell provides structural durability and reliable performance - Low friction, durable sliding surface combines steel with PTFE for smooth, quiet movement - Designed for long service life with consistent performance in demanding applications Use scenarios - Precision linear guides and actuators in CNC machines and automation setups requiring smooth, reliable motion - Robotic arms and automation fixtures with repeated sliding movements needing quiet operation and wear resistance - Heavy-duty conveyors, sliding fixtures, or equipment where durable, low-maintenance sliding joints are essential