Ronstan RF41000 Series 40 AP Sheave Acetal Solid Bearing 40mm OD

The Ronstan RF41000 is a precision-molded Series 40 AP sheave featuring solid acetal bearing construction for reliable performance in marine applications. With a 40mm (1-9/16") outer diameter, this sheave combines high strength and durability with the self-lubricating properties of acetal material.

Key Features:

• Precision-molded acetal construction for dimensional accuracy and consistency
• Solid acetal bearing design provides self-lubrication and maintenance-free operation
• UV-resistant material withstands prolonged sun exposure in marine environments
• Low friction operation for smooth line handling and efficient load transfer
• 40mm (1-9/16") outer diameter suitable for Series 40 blocks and applications
• High strength construction for reliable service life

Ronstan's Series 40 sheaves are engineered for sailors and marine professionals who demand reliable hardware. The solid bearing design eliminates the need for maintenance while the acetal material provides excellent wear resistance and chemical compatibility with marine environments.