Ronstan Acetal Ball Bearing Sheaves

Ronstan Acetal Ball Bearing Sheaves

These UV resistant Acetal sheaves have Acetal ball bearings for minimum friction under moderate loads.

Part # Diameter Bore Width Max Rope Diameter Max Wire Diameter Block Suited
mm in mm in mm in mm in mm in
RF1020 28 1 1/8 5.0 3/16 11.1 7/16 6.0 1/4 - - -
RF1766 38 1 1/2 8.0 5/16 15.0 19/32 10.0 3/8 - - -
RF1767 50.4 2 8.0 5/16 14.3 9/16 10.0 3/8 - - -


RF1020 28mm Acetal Ball Bearing Sheave Price: $5.91 RF1766 38mm Acetal Ball Bearing Sheave Price: $13.56
RF1767 50.4mm Acetal Ball Bearing Sheave Price: $22.91
Ronstan Acetal Oilite Bearing Sheave

Ronstan Acetal Oilite Bearing Sheave

This sheave features a self lubricating Oilite bearing produced from oil-impregnated high strength bronze, which ensures that the surface is always lubricated. Great for higher load applications.

Part # Diameter Bore Width Max Rope Diameter Max Wire Diameter Block Suited
mm in mm in mm in mm in mm in
RF431 73 2 7/8 12.7 1/2 21.2 27/32 14.0 9/16 - - Series 75 AP


RF431 73mm Acetal Oilite Bearing Sheave Price: $20.78
Ronstan Acetal Solid Bearing Sheaves

Ronstan Acetal Solid Bearing Sheaves

Acetal is well suited to the application, with characteristics of high strength and resistance to impact and wear. It also exhibits excellent low friction properties for bearing applicatons. Molded from a specially modified ultra-violet resistant grade of material to provide a long service life in a tough marine environment.

Part # Diameter Bore Width Max Rope Diameter Max Wire Diameter Block Suited
mm in mm in mm in mm in mm in
RF1741 19 3/4 6.6 1/4 6.4 1/4 6 1/4 - - -
RF1743 19 3/4 8.1 11/32 9.5 3/8 6 1/4 - - -
RF578 25 1 6.5 1/4 9.5 3/8 6 1/4 - - -
RF1746 25 1 9.9 3/8 11.9 7/16 8 5/16 - - -
RF128 29 1 1/8 7.9 5/16 15.1 19/32 12 1/2 - - -
RF129 29 1 1/8 6.6 1/4 9.9 3/8 8 5/16 - - -
RF1749 29 1 1/8 11.3 7/16 15.6 19/32 12 1/2 - - -
RF51002 34 1 11/32 8.0 5/16 18.0 23.32 12 1/2 - - Series 50 AP Fiddle
RF1750 36 1 3/8 11.3 7/16 19.1 3/4 12 1/2 - - Series 60 AP Fiddle
RF251 38 1 1/2 6.5 1/4 9.9 3/8 8 5/16 - - -
RF41000 38 1 1/2 8.2 11/32 14.2 9/16 10 13/32 - - Series 40 AP
RF1006 38 1 1/2 12.7 1/2 15.5 19/32 12 1/2 - - Series 38 Deck Organizers
RF1751 38 1 1/2 8.2 11/32 10.2 13/32 6 1/4 - - -
RF1757 48 1 7/8 9.9 3/8 19.8 25/32 16 5/8 - - Series 60 AP Fiddle
RF7040 49 1 15/16 16.0 5/8 40.7 1 9/16 2 x 14 2 x 9/16 - - RC73232 (was RF3186) Genoa Lead Car
RF1759 50 1 15/16 8.1 11/32 15.6 19/32 14 9/16 - - -
RF51000 50 1 31/32 10.1 13/32 18.0 23/32 12 1/2 - - Series 50 AP
RF51001 54 2 5/32 10.1 13/32 18.0 23/32 12 1/2 - - Series 50 AP Fiddle
RF127 55 2 3/16 11.3 7/16 15.6 19/32 12 1/2 - - -
RF130 55 2 3/16 8.5 11/32 14.2 9/16 6 1/4 - - -
RF437 60 2 3/8 11.4 7/16 19.0 3/4 16 5/8 - - Series 60 AP
RF1765 66 2 5/8 8.2 11/32 15.1 15/32 5 3/16 - - -
RFPNP98L 75 2 15/16 10.0 13/32 19.0 3/4 14 9/16 - - -
RFPNP98M 120 4 3/4 12.5 1/2 19.0 3/4 14 9/16 - - -
RFPNP98N 150 5 7/8 12.5 1/2 19.0 3/4 14 9/16 - - -


RF1006 38mm Acetal Solid Bearing Sheave Price: $3.78 RF128 29mm Acetal Solid Bearing Sheave Price: $3.36
RF129 29mm Acetal Solid Bearing Sheave Price: $3.78 RF1741 19mm Acetal Solid Bearing Sheave Price: $2.08
RF1743 19mm Acetal Solid Bearing Sheave Price: $2.08 RF1746 25mm Acetal Solid Bearing Sheave Price: $5.06
RF1749 29mm Acetal Solid Bearing Sheave Price: $2.81 RF1751 38mm Acetal Solid Bearing Sheave Price: $5.91
RF1759 50mm Acetal Solid Bearing Sheave Price: $4.89 RF1765 66mm Acetal Solid Bearing Sheave Price: $8.03
RF251 38mm Acetal Solid Bearing Sheave Price: $3.83 RF41000 38mm Acetal Solid Bearing Sheave Price: $5.91
RF437 60mm Acetal Solid Bearing Sheave Price: $7.61 RF51001 54mm Acetal Solid Bearing Sheave Price: $4.71
RF578 25mm Acetal Solid Bearing Sheave Price: $3.78 RF7040 49mm Acetal Plain Bearing Sheave Price: $16.57
RFPNP98M 120mm Acetal Solid Bearing Sheave Price: $34.49 RFPNP98N 150mm Nylon Plain Bearing Sheave Price: $48.40
Ronstan Glass Reinforced Nylon Sheaves

Ronstan Glass Reinforced Nylon Sheaves

These larger diameter sheaves are made with glass reinforced Nylon for greater strength and abrasion resistance.

Part # Diameter Bore Width Max Rope Diameter Max Wire Diameter Block Suited
mm in mm in mm in mm in mm in
RFPNP98JR 75 2 15/16 12.0 15/32 15.8 19/32 10 3/8 - - -
RFPNP98KR 100 3 15/16 12.0 15/32 19.0 3/4 12 1/2 - - -
RFPNP98NR 150 5 7/8 12.5 1/2 19.0 3/4 14 9/16 - - -


RFPNP98JR 75mm Glass Reinforced Nylon Sheave Price: $13.97 RFPNP98KR 100mm Glass Reinforced Nylon Sheave Price: $14.41
Ronstan Nylatron Plain Bearing Sheaves

Ronstan Nylatron Plain Bearing Sheaves

These sheaves are made from a unique plastic material which is suitable for use with wire. Nylatron is a cast, partially cross-linked polymide compound which has been modified with a MoS2 filler. If has excellent wear resistance, self lubrication and low fictin properties.

Part # Diameter Bore Width Max Rope Diameter Max Wire Diameter Block Suited
mm in mm in mm in mm in mm in
RF20000HL 20 13/16 8.1 5/16 8.8 11/32 6 1/4 3 1/8 Series 20 HL
RF30000HL 30 1 3/16 8.1 5/16 11.4 7/16 8 5/16 3 1/8 Series 30 HL
RF430 32 1 1/4 6.5 1/4 6.5 1/4 - - 5 5/32 Series 30 HL
RF40000HL 40 1 1/2 8.1 5/16 13.4 17/32 10 3/8 4 5/32 Series 40 HL
RF132 45 1 3/4 8.0 5/16 9.5 3/8 - - 6 1/4 RF103, RF104
RF50000HL 50 1 31/32 10.2 13/32 18.0 23.32 12 1/2 5 3/16 Series 50 HL


RF132 45mm Nylatron Sheave Price: $16.96 RF20000HL 20mm Nylatron Plain Bearing Sheave Price: $9.31
RF30000HL 30mm Nylatron Plain Bearing Sheave Price: $8.16 RF40000HL 40mm Nylatron Plain Bearing Sheave Price: $20.36
RF430 32mm Sheave Nylatron Price: $12.71 RF50000HL 50mm Nylatron Plain Bearing Sheave Price: $23.76
Ronstan Aluminum Oilite Bearing Sheaves

Ronstan Aluminum Oilite Bearing Sheaves

Sheaves are anodised for corrosion resistance and self lubricating Oilite Bronze bearings provide a high load capacity and long service life. Suitable for use with rope or wire.

Part # Diameter Bore Width Max Rope Diameter Max Wire Diameter Block Suited
mm in mm in mm in mm in mm in
RF436 62 2 7/16 11.2 7/16 19.0 3/4 12.0 1/2 6 1/4 Series 60 AP
RF2855 76 3 9.6 3/8 15.6 19/32 12.0 1/2 6 1/4 -
RF1060 76 3 16.0 5/8 22.2 7/8 14.0 9/16 18 23.32 -
RF2857 102 4 11.3 7/16 18.2 23/32 14.0 9/16 8 5/16 -


RF1060 76mm Aluminum Oilite Bearing Sheave Price: $63.79 RF2855 76mm Aluminum Oilite Bearing Sheave Price: $52.47
RF2857 102mm Aluminum Oilite Bearing Sheave Price: $91.58 RF436 62mm Aluminum Oilite Sheave Price: $51.36
Ronstan Nickel-Plated Brass Solid Bearing Sheaves

Ronstan Nickel-Plated Brass Solid Bearing Sheaves

Nickel-Plated for corrosion and wear resistance. Suitable for use with rope or wire.

Part # Diameter Bore Width Max Rope Diameter Max Wire Diameter Block Suited
mm in mm in mm in mm in mm in
RF580 57 2 1/4 9.8 3/8 15.8 5/8 - - 6 1/4 -
RF579 74 2 5/16 12.9 1/2 12.7 1/2 - - 6 1/4 RF69, RF69S, RF71


RF579 74mm Nickel-Plated Brass Sheave Price: $25.69
Discontinued Ronstan Sheaves

Discontinued Ronstan Sheaves



Sailing Clothing: Foul Weather Gear | Sailing Footwear | Sailing Life Jackets & PFDs | Sailing Shorts and Pants | Sailing Shirts and Rash Guards | Dry Suits and Wet Suits

Sailing Equipment: Sailboat Blocks | Sailboat Cam Cleats | Shackles and Fids | Sailboat Tillers & Wheels | Mainsheet and Traveler Parts | Sailboat Winches and Winch Handles

Sailing Gear: Sailing Watches and Timers | Sailboat Maintenance | Boat Speed, Wind & Weather Instruments | Sailing Gear Bags & Backpacks | Tools, Knives & Tension Gauges | Sailboat Compasses

Sailing Line: Hi-Tech Single Braids | Dyneema Cored Lines | Dyneema Single Braids | Vectran Cored Lines | Polyester Cored Lines | Small Diameter Lines
Annapolis Performance Sailing Limited Copyright© 2013. All Rights Reserved.

Annapolis Performance Sailing
104 Severn Avenue
Annapolis, MD 21403
(410) 268-3676