CW55175

<p><strong>Ronstan Series 30 Stand Up Swivel Ball Bearing Block</strong></p><p>The Ronstan Series 30 Ball Bearing Orbit Block is engineered for high performance with a superior strength-to-weight ratio. Utilizing advanced composite materials, this block is designed to minimize friction while maintaining a lightweight structure. Featuring multiple attachment options and precision bearings, it is perfect for a variety of marine applications.</p><p><strong>Applications:</strong></p><ul><li>Ideal for mainsheet and spinnaker systems on dinghies up to 5M (16')</li><li>Suitable for halyard, vang, and backstay applications on vessels up to 5M (16')</li><li>Effective for control line applications on larger yachts</li></ul><p><strong>Materials:</strong></p><ul><li>Sheave: High compression strength carbon black Acetal</li><li>Ball Bearings: High compression strength Acetal</li><li>Frame/Cheeks: Toughened, glass fiber reinforced Nylon</li><li>Link: UV stabilized, multi-strand impregnated SK75 Dyneema&reg;</li></ul><p><strong>Specifications:</strong></p><ul><li>Sheave Ø: 30mm (1-3/16")</li><li>Max. Rope Ø: 8mm (5/16")</li><li>M.W.L.: 300kg (660lbs)</li><li>B. L.: 600kg (1,320lbs)</li><li>Weight: 33g (1.2oz)</li></ul>