RBC SRF45 Caged Roller Follower Bearing 31.75x57.15x25.273mm Heavy Duty Needle Roller Track Bearing

SRF45 is a heavy-duty caged roller follower manufactured by RBC Bearings. It features a flat outer roller surface and a cage-guided needle roller design, providing high radial load capacity and smooth rolling performance.

• High Load Capacity: Heavy-duty outer ring and multiple needle rollers support substantial radial loads.

• Cage-Guided Design: Provides stable roller guidance and smooth operation.

• Low-Friction Performance: Open construction helps minimize friction and prevent roller skidding in lightly loaded applications.

• Large Grease Storage: Internal grease capacity supports longer relubrication intervals.

• Heavy-Duty Construction: 52100 bearing steel provides excellent strength and wear resistance.

• High-Speed Capability: Designed for operating speeds up to 4,300 rpm under specified conditions.

This bearing is widely used in:

• CNC machine tool spindle
• Grinding machine spindle
• High‑speed precision rotating equipment
• Precision machining center

• 25+ years experience in industrial bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM & custom projects
• Strict quality inspection before shipment
• Fast response within 24 hours
• Stable supply for long‑term cooperation

• Raw material inspection
• Precision machining process
• Heat treatment control
• Clearance & rotation testing
• Final inspection before delivery

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