The Rigging Shop
Ronstan Series 40 Utility
Ronstan Series 40 Utility
Ronstan Series 40 Ball Bearing Block Single Universal Head RF40100 Sailboat
Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.Captive Lock universal head can be fixed in either of two planes or free to swivel as required.
Features:
- Low friction Acetal or Torlon bearing system
- Lightweight
- Cheek cut-outs for easy bearing maintenance
- Captive Lock universal head
- Slotted pin shackle eliminates fouled lines
Applications:
- Mainsheet
- Halyard
- Vang
- Spinnaker control lines on off-the-beach catamarans one design classes and sportsboats up to 8M(26')
Materials:
- U.V. Stabilized Acetal sheaves
- Acetal ball bearings
- Impact and U.V. resistant fiber reinforced Nylon cheeks
- Grade 316 St Steel load strap and head fitting
Specifications:
Sheave Ø: 40mm(1-9/16")
Max. Rope Ø: 10mm(7/16")
Pin Ø: 5mm(3/16")
M.W.L.: 350kg(770lbs)
B. L.: 1,000kg(2,200lbs)
Weight: 70g(2.5oz)
Ronstan Series 40 Ball Bearing Block Single Universal Head with Becket RF40110 Sailboat
Series 40 BB Single block with becket
Pulley diameter: 40mm
Maximum line diameter: 10mm
Pin diameter: 5mm
Maximum working load: 350kg
Breaking load: 1000kg
Weight: 79g
Reinforced grips in nylon fiber
Structure in stainless steel
40 series
A series of blocks for various uses, thanks to the high quality they guarantee a good duration over time.
Widely used for control lines, main halyards, cunninghams, vangs, spinnakers on sailing dinghies, catamarans and cabin cruisers.
The balls placed on a double line greatly reduce friction, making sliding easier.