Ronstan
Ronstan Series 30 Utility Ball Bearing Block - Single, Becket, Swivel Shackle Head
Out of StockNewSKU: RF30110
$51.77$60.91per unit
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This item is currently out of stock.
Special order from Ronstan — Estimated 2–4 weeks.
Description
Series 30 Utility Ball Bearing Block - Single, Becket, Swivel Shackle Head
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
- Cheek cut-outs for easy bearing maintenance
Product Information:
Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.
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 fittings
Accessories
No accessories listed for this product.
Specifications
| SKU | RF30110 |
| UPC | 9316800258307 |
| Brand | Ronstan |
| Category | Sailing |
| Country of Origin | — |
| Weight | 0.1 |
| Dimensions | 4 x 2 x 1 |
| Status | Active |
| Last Synced | 8/26/2026, 2:04:18 AM |
Compliance & Shipping
Returnable
Product Literature
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Frequently Bought Together
Compare Key Features
| Feature |  Ronstan Series 30 Utility Ball Bearing Block - Single, Becket, Swivel Shackle Head CURRENT |  Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek |  Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket |  Harken 40mm Carbo Block 90° Fixed Head |  Barton Marine Ratchet Block - 55mm |
|---|---|---|---|---|---|
| Price | $51.77 | $19.25 | $57.81 | $41.35 | $111.66 |
| Brand | Ronstan | Ronstan | Ronstan | Harken | Barton Marine |
| Condition | New | New | New | New | New |
| Availability | Out of Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 0.1 | 0.06 | 0.19 | 0.11 | 0.3 |
| Dimensions | 4 x 2 x 1 | 4 x 2 x 1 | 4 x 2 x 2 | 5 x 3 x 1 | 6 x 3 x 2 |
| SKU | RF30110 | RF35151 | RF35312 | 2659 | 90500 |
| Country | — | INDONESIA | INDONESIA | UNITED STATES | — |
| View Item | View Item | View Item | View Item | View Item |
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Price
$51.77