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Series 20 Ball Bearing Block - Single - Loop Top
Features:
Low friction
High static and dynamic load capacity
Lightweight
Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
Can be fitted with a shackle in either of two planes to allow correct alignment of the block
Applications:
Dinghy control lines
Dinghy Vangs
Cunninghams
Traveller controls
Materials:
U.V. Stabilized Acetal sheaves
Stainless steel ball bearings
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
=Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
M.W.L.: 250kg(550lbs)
B. L.: 550kg(1,210lbs)
Weight: 16g(0.6oz)
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9.40 |
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Series 20 Ball Bearing Block - Single - Loop Top Becket
Features:
Low friction
High static and dynamic load capacity
Lightweight
Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
Can be fitted with a shackle in either of two planes to allow correct alignment of the block
Applications:
Dinghy control lines
Dinghy Vangs
Cunninghams
Traveller controls
Materials:
U.V. Stabilized Acetal sheaves
Stainless steel ball bearings
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
M.W.L.: 250kg(550lbs)
B. L.: 550kg(1,210lbs)
Weight: 18g(0.6oz)
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11.99 |
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Series 30 Ball Bearing Block - Single - Loop Top
Features:
Low friction 2-stage ball bearing system provides consistent performance over the full working load range
High static and dynamic load capacity
Light weight
Versatile head fittings
Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction
Can be fitted with a shackle in either of two planes to allow correct alignment of the block
Applications:
Primary lead blocks on dinghies and catamarans
Control lines on larger yachts
Materials:
U.V. stabilized Acetal sheaves
Acetal ball bearings
Impact modified, fiber reinforced and U.V. stabilized Nylon cheeks
Grade 316 stainless steel load straps and head fittings
Specifications:
Sheave Ø: 30mm(1-3/16")
Max. Rope Ø: 8mm(5/16")
M.W.L.: 300kg(660lbs)
B. L.: 750kg(1,650lbs)
Weight: 28g(1.0oz)
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15.66 |
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Series 40 Ball Bearing Block - Single - Loop Top
Features:
Low friction Acetal or Torlon® bearing system
Lightweight
Cheek cut-outs for easy bearing maintenance
Low friction, 2-stage ball bearing system
High static and dynamic load capacity
Lightweight
Cheek cut-outs for easy bearing maintenance
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.
Applications:
Mainsheet
Halyard
Vang
Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
Mainsheet
Halyard
Vang
Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
Materials:
Acetal ball bearings
UV stabilised Acetal sheave
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
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19.26 |
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Series 40 Ball Bearing Block - Single Loop Top - Becket
Features:
Low friction Acetal or Torlon® bearing system
Lightweight
Cheek cut-outs for easy bearing maintenance
Snap fit removable becket pin
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.Becket pin is removable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools.
Applications:
Mainsheet
Halyard
Vang
Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
Materials:
Acetal ball bearings
UV stabilized Acetal sheave
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
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26.98 |
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Series 20 Ball Bearing Block - Single, Loop Mount
Features:
Low friction
High static and dynamic load capacity
Lightweight
Single point mounting
Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.
Applications:
Dinghy control lines
Dinghy vangs
Cunninghams
Traveller controls
Materials:
Stainless steel ball bearings
UV stabilized Acetal sheave
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
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14.98 |
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Series 20 Ball Bearing Block- Single, Stand-Up Loop Top
Features:
Low friction
High static and dynamic load capacity
Lightweight
Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.
Applications:
Dinghy control lines
Dinghy vangs
Cunninghams
Traveler controls
Materials:
Stainless steel ball bearings
UV stabilized Acetal sheave
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
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16.27 |
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Series 20 Ball Bearing Block - Single
Features:
Low friction
High static and dynamic load capacity
Lightweight
Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
Applications:
Dinghy control lines
Dinghy Vangs
Cunninghams
Traveller controls
Materials:
U.V. Stabilized Acetal sheaves
Stainless steel ball bearings
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
Pin Ø: 3mm(1/8")
M.W.L.: 250kg(550lbs)
B. L.: 550kg(1,210lbs)
Weight: 20g(0.7oz)
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16.46 |
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Series 20 Ball Bearing Block - Single - Cheek
Features:
Low friction
High static and dynamic load capacity
Lightweight
Double through-bolt mounting for maximum load capacity
Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
Applications:
Dinghy control lines
Dinghy Vangs
Cunninghams
Traveller controls
Materials:
U.V. Stabilized Acetal sheaves
Stainless steel ball bearings
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
M.W.L.: 250kg(550lbs)
B. L.: 550kg(1,210lbs)
Weight: 14g(0.5oz)
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12.84 |
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Series 20 Ball Bearing Block - Single - Cheek Rivet Mount
Features:
Low friction
High static and dynamic load capacity
Lightweight
Suitable for screw or pop rivet mounting
Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
Applications:
Dinghy control lines
Dinghy Vangs
Cunninghams
Traveller controls
Materials:
U.V. Stabilized Acetal sheaves
Stainless steel ball bearings
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
M.W.L.: 200kg(440lbs)
B. L.: 550kg(1,210lbs)
Weight: 17g(0.6oz)
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16.27 |
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Series 20 Ball Bearing Block - Single - Exit Cover Plate
Features:
Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
Applications:
Exit blocks minimise friction in lines passing through the deck or exiting masts and booms
Materials:
UV Stabilized Acetal sheave
Grade 316 stainless steel load strap and head fitting
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
PinØ: 4mm(5/32")
M.W.L.: 250kg(550lbs)
B. L.: 1,000kg(2,200lbs)
Weight: 22g(0.8oz)
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24.83 |
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Series 30 Ball Bearing Block Single Becket Option Lashing
Ball Bearing Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.
Highest Working Load in its Class
The proven Ronstan 2-stage bearing system (Series 30 and larger) features high compression grade Acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range.
The sheave and bearing system is supported by a fibre-reinforced load frame, computer modelled and optimised using advanced stress analysis methods. The Dyneema® Link, used in multi-sheave blocks, is produced from high spec SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point.
Simple, Versatile & Secure Attachment
The single block is easily lashed to an attachment point, and can also accept Dyneema® Links and shackles for a variety of efficient attachment alternatives. The Dyneema® Link used in multi-sheave blocks is easily fitted and secured by a removable pin. The Dyneema® Link can also be removed and replaced by a shackle, custom lashing or strop.
These blocks are far more compatible with Dyneema®/Spectra® lines, carbon laminate connection points and webbing than traditional blocks with steel loop tops or shackles.
Low Profile & Compact
The two way head in the single lashing block allows for alignment at 0° or 90° orientation, while the single swivel block allows for full articulation.
The flexible Dyneema® Link used in multi-sheave blocks provides 0° or 90° orientation. It connects directly to the head of the block rather than to an intermediate head post. This reduces weight and gives the lowest possible profile while allowing full articulation. Beckets have been carefully designed to minimise height.
Features:
Lightweight
Highest working load in its class
Secure, versatile and secure attachement
Low profile and compact
Ultra low profile thru-sheave becket
Self-lubricating Nylatron® sheave and full contact bearing for high dynamic loads
Applications:
Mainsheet systems and spinnaker sheets on dinghies to 5M(16')
Halyard, vang and backstay applications on boats to 5M(16')
Control line applications on larger yachts
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82.34 |
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Series 20 Ball Bearing Block - Loop Top Linked
Features:
Low friction
High static and dynamic load capacity
Lightweight
Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.
Applications:
Dinghy control lines
Dinghy vangs
Cunninghams
Traveller controls
Dinghy barber haulers
Spinnaker pole launching systems
Materials:
Stainless Steel ball bearings
UV stabilized Acetal sheave
Grade 316 Stainless Steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
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20.54 |
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Series 40 All Purpose Block - Single - Loop Top
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Features:
Exceptionally high working loads
Low maintenance, long service life
Self-lubricating sheave
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
Impact and U.V. resistant, fiber reinforced Nylon cheeks
Grade 316 stainless steel bearing race
Grade 316 stainless 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.: 400kg(880lbs)
B. L.: 1,000kg(2,200lbs)
Weight: 54g(1.9oz)
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14.88 |
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Series 40 Ball Bearing Block - Single - Universal Head
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 stainless 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)
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23.54 |
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