The Ronstan Series 30 Ball Bearing Orbit Block with stand-up swivel offers a high strength-to-weight ratio for reliable rigging performance. Designed with precision-engineered components, this block utilizes glass fiber-reinforced materials to minimize friction while maintaining a compact, low-profile footprint.
Features and Specifications:
- Sheave diameter: 30mm (1-3/16")
- Maximum rope diameter: 8mm (5/16")
- Maximum working load: 300kg (660 lbs)
- Breaking load: 600kg (1,320 lbs)
- Weight: 33g (1.2 oz)
- Sheave material: Carbon black Acetal
- Ball bearing material: Acetal
- Frame and cheeks: Glass fiber reinforced Nylon
- Link: UV-stabilized, multi-strand SK75 Dyneema
- Applications: Mainsheet and spinnaker sheets on dinghies up to 5M (16'), halyard, vang, and backstay applications on boats to 5M (16'), and control lines on larger yachts.
Product facts
- CT SKU
- CT-103695
- Model / MPN
- RF35140
- UPC / GTIN
- 9316800415045
- Package dimensions
- 1" X 1" X 4"
- Package weight
- 0.08 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
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