Ronstan Series 30 Ball Bearing Stand-Up Orbit Block™, RF35141
Ronstan
AUD $34.95
AUD $40.92
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AUD $5.97
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The Ronstan Series 30 Ball Bearing Stand-Up Orbit Block™ (RF35141) delivers lightweight strength and smooth performance in a compact design. Engineered for high-performance dinghies, small keelboats, and sportsboats, this stand-up block is perfect for mainsheets, vang, or spinnaker control systems where a fixed, low-profile block is needed.
Featuring acetal ball bearings running on stainless steel races, the Series 30 Orbit Block™ provides low friction and exceptional durability under load. The stand-up base keeps the block aligned and ready for action, while the fibre-reinforced polymer housing ensures maximum strength with minimal weight. Designed for reliability and precision, the RF35141 performs flawlessly under the high dynamic loads typical of racing environments.
Whether you’re fine-tuning your control systems or upgrading your deck layout, the Ronstan Series 30 Stand-Up Orbit Block™ is a trusted, race-proven choice for sailors who demand responsive, high-quality rigging hardware.
Single sheave stand-up block with non-swivel head. Requires 2 x 5mm (3/16") fasteners.
FEATURES
Lightweight.
Highest working load in its class.
Secure, versatile attachment.
Ultra low profile thru-sheave becket.
Low friction 2-stage ball bearing system provides consistent performance over the full working load range.
SP versions feature a Nylatron® sheave suitable for both rope and wire
Specifications
| Type of Block | Stand-Up |
|---|---|
| Sheave diameter (mm) | 30mm |
| B.L. (kg) | 500 |
| M.W.L. (kg) | 250 |
| Max. Rope diameter (mm) | 8 |
| Weight (g) | 36 |
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