Skip to content
Ronstan Series 40 Utility - Ball Bearing

Ronstan Series 40 Utility - Ball Bearing

by The Rigging Shop
$52.67 - $54.90
$52.67
$52.67 - $54.90
$52.67

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

Specifications:

  • 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.