Sheaves

Harken Sheave Assembly - 57mm Black Magic Block Delrin Sheave assembly. Captive delrin ball bearings carry side loads. Part Number Weight HKN-438 20.7g

Harken Midrange Sheave, 51mm Self-contained sheaves are designed for sailors to use in custom applications. Midrange sheaves come in either Delrin® or aluminum for wire. Delrin® is a registered trademark of E. I. du Pont de Nemours and...

Harken 38mm Big Bullet Sheave Self-contained sheaves are designed for sailors to use in custom applications. The Micro, Bullet, and Big Bullet sheaves are Delrin with Delrin® ball bearings. They are scored for rope. Delrin is a registered...

Ronstan Glass-Reinforced Sheave - Suits 12mm Rope Made from glass-reinforced nylon for greater strength and abrasion resistance. For use with high load applications. Part Number Colour Max. Rope...

Ronstan Series 50 Nylatron Sheave 50mm Nylatron® Sheave, Suitable for Wire or Rope Excellent wear resistance These sheaves are made from a unique plastic material which is suitable for use with wire.  Nylatron® is a cast, partially...

Harken 29mm Bullet Sheave Self-contained sheaves are designed for sailors to use in custom applications. The Micro, Bullet, and Big Bullet sheaves are Delrin® with Delrin® ball bearings. They are scored for rope. Delrin® is a registered...

Riley Single Sheave Ball Bearing Block with Becket Safe Working Load: 150kg Breaking Load: Single Ferrule Bore: Delrin Ball Bearings Bearings: No Max. Working Load: Plain Safe Working Load: Single Part...

Ronstan Series 40 Nylatron Sheave Suitable for use with wire or rope. Excellent wear resistance  Specifications Bore (mm) 8.1 Diameter Ø (mm) 40 Max. Rope diameter (mm) 10 Weight...

Harken 16mm Sheave Self-contained sheaves are designed for sailors to use in custom applications. 16 mm AirBlock® sheaves are Delrin® and feature stainless ball bearings that ride in a grooved race. Delrin® is a registered trademark of E. I...

Ronstan manufactures an extensive range of sheave boxes for use with rope and wire. Plain bearing sheaves are ideal for halyards and other applications where high static loads are likely to be encountered. Application: Ideal for applications where...

Ronstan Series 40 Ball Bearing Sheave Acetal Sheave Only, 40mm Diameter  Specifications M.W.L. (kg) 400 Max. Rope diameter (mm) 10 Weight (g) 30 Part Number RON-RF48000

Riley Single Sheave Single Sheave Ball Bearing Block Safe Working Load: 150kg Breaking Load: Single Ferrule Bore: Plain Part Number Size RLY-RM846 25 x 13 mm

Flanged block for wire internal halyards 25mm x 5mm Part Number Material RLY-RM005 Bronze RLY-RM005A Plastic

Ronstan Series 75 Pulley Sheave, Acetal Sheave, acetal (POM)-75mm diam., suits 14mm rope Features Load rated. Choice of fixed or swivel head models. Durable, low friction acetal polymer sheave. Head bolt, single sheave models: 3/8" UNC...

Ronstan Sheave Acetal - Brass Bearing. Ronstan’s range of Acetal sheaves is moulded from a specially modified ultra-violet resistant grade of material to provide a long service life in the tough marine environment. Acetal is well suited to the...

Ronstan Upright Lead Block, 32mm Removable Sheave Features Upright mount, requires 2x 6mm (1/4") fasteners.  Removable sheave.    Ideal for small runabouts where hydraulic steering is not needed...

Ronstan 45mm Nylatron Sheave These sheaves are made from a unique plastic material which is suitable for use with wire.  Nylatron® is a cast, partially cross-linked polyamide compound which has been modified with a MoS2 filler. It has...

Ronstan Rope Sheaves Acetal - Ball Bearing Precision moulded Acetal sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. Features: Minimum friction under moderate loads U.V. resistant acetal...

Ronstan Series 30 Nylatron Sheave 30mm Nylatron® sheave, suitable for wire or rope Excellent wear resistance These sheaves are made from a unique plastic material which is suitable for use with wire. Nylatron® is a cast, partially...

Riley Single Sheave Plain Bearing Block with Becket Safe Working Load: 200kg Safe Working Load: Single Ferrule Bore: Plain Max. Work Load: Plain Overall Length: 200kg Part Number Size RLY-RM840B 25 x 13 mm