Description
Sprenger 8mm Ball Bearing Blocks Ø27 mm
The Sprenger 8mm Ball Bearing Block Series is engineered for sailors who demand exceptional performance, efficiency, and reliability from their running rigging systems. Featuring precision ball bearings, marine-grade stainless steel construction, and high-strength composite sheaves, these blocks deliver ultra-smooth operation under load while maintaining outstanding durability in harsh marine environments.
Designed for ropes up to 8 mm and equipped with 27 mm sheaves, this versatile range includes single, double, and triple sheave blocks, swivel models, becket versions, cam cleat assemblies, mast-mounted blocks, and replacement swivels. Whether used on cruising sailboats, racing dinghies, or performance yachts, these blocks provide efficient load handling and precise sail control.
⚙️ Features
- ⛵ Precision ball bearing system for minimal friction
- 🛡️ Marine-grade A2-AISI 304 stainless steel construction
- ⚫ High-strength composite sheaves
- 🌊 Excellent corrosion resistance
- 🧵 Suitable for ropes up to 8 mm
- 🔧 Available in multiple mounting configurations
- ⚓ Smooth operation under dynamic loads
- 🏆 Ideal for cruising and racing applications
📊 Technical Specifications
- 📐 Sheave Diameter: 27 mm
- 🧵 Maximum Rope Diameter: 8 mm
- 💪 Breaking Load: 600 kg
- ⚖️ Safe Working Load: 150 kg
- 🛡️ Material: A2-AISI 304 Stainless Steel / Composite
- 🏭 Manufacturer: Sprenger
📦 Available Variants
- 🔹 8146133-01 – Single Block with Bow
- 🔹 8146133-02 – Single Block with Swivel
- 🔹 8146133-04 – Single Block with Hollow Axle
- 🔹 8146133-05 – Single Block with Bow & Becket
- 🔹 8146133-06 – Single Block with Swivel & Becket
- 🔹 8146133-07 – Double Block with Bow
- 🔹 8146133-08 – Double Block with Bow & Becket
- 🔹 8146133-09 – Double Block with Swivel & Becket
- 🔹 8146133-10 – Triple Block with Bow
- 🔹 8146133-11 – Triple Block with Swivel
- 🔹 8146133-12 – Triple Block with Bow & Becket
- 🔹 8146133-13 – Triple Block with Swivel & Cam Cleat
- 🔹 8146133-16 – Mast Mounted Block for 25 mm Tube
- 🔹 8146133-17 – Replacement Swivel for 8 mm Blocks
⚓ Recommended Applications
- Mainsheet systems
- Traveler controls
- Boom vang systems
- Cunningham controls
- Outhaul systems
- Control lines
- Dinghies and keelboats
- Performance sailing applications
- General marine rigging
⭐ Why Choose Sprenger?
- 🇩🇪 German-engineered quality trusted by sailors worldwide
- 🏆 Decades of expertise in premium sailing hardware
- ⚙️ Precision manufacturing for superior reliability
- 🌊 Designed specifically for demanding marine environments
- 🛡️ High-quality stainless steel for maximum corrosion resistance
- ⛵ Proven performance in cruising and racing applications
- 🔧 Long service life with minimal maintenance
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