Ronstan
SKU:55171
Ronstan Series 30 Ball Bearing Block - Single - Loop Top – Marine Boat Replacement Part
Ronstan Series 30 Ball Bearing Block - Single - Loop Top – Marine Boat Replacement Part
Ronstan Series 30 Ball Bearing Block - Single - Loop Top – Marine Boat Replacement Part is organized for lighting & visibility shoppers who need a clear, professional marine parts buying experience.
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 fitting
Fitment & Product Details
- Brand / Manufacturer: Ronstan
- Material: stainless steel, nylon
- Search-optimized by brand, system, part type, and fitment cues.
- Verify compatibility with your original part number, engine model, and application before ordering.
- Built for boat owners, e-commerce shoppers, and professional marine service teams.
Installment options at checkout are provided by Shop Pay and its partners and are subject to eligibility. Options depend on your purchase amount and may require a credit check by the financing partner. Terms, rates, and eligibility are determined by the financing partner. For details, see the Shop Pay Installments terms during checkout.
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