Rotor Clip CG-287SJ External Spiral Retaining Ring

Product Description

The ROTOR CLIP CG-287SJ is an external spiral retaining ring designed to retain components on shafts in a wide range of mechanical assemblies. It seats in a precision-cut external groove on a 2.875-inch diameter shaft, holding a groove diameter of 2.721 inches. Manufactured from AISI 302 stainless steel with an oil finish, the ring delivers corrosion resistance suited to demanding service environments. Ring thickness measures 0.093 inches, and the free outside diameter is 3.152 inches. This part meets AISI 302, AMS-5866, and ISO 13485:2016 standards, making it appropriate for applications where material traceability is required.

The CG-287SJ is used in industrial, mechanical, and motion-control assemblies where a reliable external shaft retainer is needed. Its spiral ring design eliminates the need for special installation tools in many applications and provides a continuous 360-degree contact profile in the groove. Typical installations include pump shafts, gearboxes, motors, and general rotating equipment serviced by maintenance mechanics and machine technicians. The oil finish provides light corrosion protection during storage and handling prior to installation.

Key Features

• External spiral ring design seats in groove on 2.875-inch shaft diameter
• Groove diameter: 2.721 inches with a tolerance of -0.006 to +0.006 inches
• AISI 302 stainless steel construction with oil finish for corrosion resistance
• Meets AISI 302, AMS-5866, and ISO 13485:2016 standards
• Ring thickness: 0.093 inches; groove width: 0.103 inches
• No ears or lugs — spiral profile allows tool-free or low-force installation in many setups

Compatibility

Designed as an OEM-style external spiral retaining ring for shafts with a 2.875-inch nominal diameter and a machined external groove meeting the dimensional specifications listed below.

Installation Notes

Installation is typically performed by maintenance mechanics or machine technicians. De-energize and lock out all power to the equipment before disassembling any shaft assembly. Verify groove dimensions on the shaft match the ring specifications before installation to ensure proper seating and retention load. Inspect the ring for deformation or damage before use and do not reuse a ring that has been removed from service.