Key Features

• John Deere External Snap Ring (T40189) — a metal retaining ring sprung into a groove to securely locate and retain components.
• Supports both internal and external groove configurations, enabling versatile use as a retainer in shafts and bores.
• Provides reliable axial retention to prevent unwanted movement of assembled parts in rotating or sliding assemblies.
• Requires standard retaining ring pliers for installation and removal, facilitating maintenance and replacements.
• Traceable part reference (T40189) for compatibility checks and field replacements.

Product Details

• Material: metal (type unspecified); designed to maintain preloaded tension when seated in a groove.
• Designation: T40189.
• Function: serves as a retaining ring to locate and secure components relative to a groove on a shaft or inside a bore.
• Form factor: suitable for external groove seating on a shaft or internal groove seating in a bore, depending on installation orientation.

Compatibility

• Designed to fit groove profiles that accept external snap rings (shaft grooves) or internal snap rings (bore grooves) corresponding to the T40189 specification.
• Groove dimensions and seating depth must align with the T40189 reference to ensure proper retention and seating.
• Installation practice: ensure grooves are clean and free of burrs; use appropriate retaining ring pliers and verify secure seating after installation.