Showing 1–16 of 24 results
Series 20 Ball Bearing Block – Double – 2-Axis Shackle Head 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 Two-Way head can be fixed at 0 or 90 Applications: Dinghy control lines Dinghy vangs Cunninghams Traveller…
Series 20 Ball Bearing Orbit Block – Single – Dyneema Lashing – Becket Option The incredible Series 20 Orbit Block is capable of loads up to 250kg (550lb) while weighing a mere 9 grams. It’s so light that it needs to be lashed down! Features: Integrated stainless steel hub to accept lashing attachment and through-sheave…
Compatible with the following instruments: ST70* ST60+ ST290 Compatible hull material: wood and fiberglass Cable: 45 ft. cable Hole diamater for installation: 7/8″ Includes fairing block. *Using with ST70 requires purchase of ST70 Depth Pod, sold seperately. Specifications: Cable Length (Feet): 45′ Speed Included: No Mounting Style: Thru-Hull Chirp: No Temperature: No Box Dimensions: 4″H…
Series 30 Ball Bearing Orbit Block – Cheek Ball Bearing Orbit 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 fiber-reinforced composites in…
Series 55 Ball Bearing Orbit Block – Single – Becket – Swivel Head LightweightKilogram for kilogram of working load, BB and RT Orbit Blocks are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race…
Series 25 Utility Block – Single – Swivel Shackle Head Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase. Features: Lightweight durable construction Economical Maintenance free…
Series 50 All Purpose Block – Single – Universal Head 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,…
Series 40 All Purpose Block – Single – Universal Head 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,…
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…
Series 30 Ball Bearing Orbit Block – Double Ball Bearing Orbit 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 fiber-reinforced composites in…
Series 75 Core Block – Single Core Blocks are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package….
Series 55 Ratchet Orbit Block – Single – Swivel Head – Auto Manual Automatic Ratchet BlockNow you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes. In the auto mode of the ratchet mechanism…
Series 30 Ball Bearing Orbit Block – Single – Becket – Swivel Shackle Head Ball Bearing Orbit 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…
Series 30 High Load Exit Box for Single Rope or Wire Plain bearing sheaves are ideal for halyards and other applications where high static loads are likely to be encountered Applications: Ideal applications where lines (rope or wire) need to be led through decks, bulkheads or spars minimizing friction and chafing Materials: Nylatronregl sheave Grade…
Series 30 Ball Bearing Orbit Block – Triple Ball Bearing Orbit 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 fiber-reinforced composites in…
Series 30 Ball Bearing Orbit Block – Stand Up Swivel Ball Bearing Orbit 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 fiber-reinforced…
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