Ronstan
Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head
In StockNewSKU: RF30100
$32.50$38.24per unit
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Description
Series 30 Utility Ball Bearing Block - Single, 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
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.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 fittings
Accessories
No accessories listed for this product.
Specifications
| SKU | RF30100 |
| UPC | 9316800258284 |
| Brand | Ronstan |
| Category | Sailing |
| Country of Origin | — |
| Weight | 0.08 |
| Dimensions | 4 x 2 x 1 |
| Status | Active |
| Last Synced | 10/7/2026, 2:06:00 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, Swivel Shackle Head CURRENT |  Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket |  Harken 57mm Carbo Air Block w/Swivel |  Barton Marine Ratchet Block - 55mm |  Harken 16mm Block |
|---|---|---|---|---|---|
| Price | $32.50 | $57.81 | $53.93 | $111.66 | $17.21 |
| Brand | Ronstan | Ronstan | Harken | Barton Marine | Harken |
| Condition | New | New | New | New | New |
| Availability | In Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 0.08 | 0.19 | 0.3 | 0.3 | 0.1 |
| Dimensions | 4 x 2 x 1 | 4 x 2 x 2 | 6 x 3 x 1 | 6 x 3 x 2 | 3 x 2 x 1 |
| SKU | RF30100 | RF35312 | 2600 | 90500 | 404 |
| Country | — | INDONESIA | UNITED STATES | — | UNITED STATES |
| View Item | View Item | View Item | View Item | View Item |
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Price
$32.50