• Ronstan Series 30 Orbit Block - Cheek, 30mm
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Brand: Ronstan

Ronstan Series 30 Orbit Block - Cheek, 30mm

Ronstan Series 30 Orbit Block - Cheek, 30mm

$19.25
$19.25
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About this product

The Ronstan Series 30 Ball Bearing Orbit Block is a cheek-mount block engineered for a high strength-to-weight ratio. It features a precision design that optimizes the number of ball bearings to minimize friction, utilizing fiber-reinforced composites to reduce overall weight.

Key Features and Specifications:

  • Sheave diameter: 30mm (1-3/16 in.)
  • Maximum rope diameter: 8mm (5/16 in.)
  • Maximum Working Load (M.W.L.): 300kg (660 lbs.)
  • Breaking Load (B.L.): 600kg (1,320 lbs.)
  • Weight: 21g (0.7 oz.)
  • Sheave material: High compression strength carbon black Acetal
  • Ball bearing material: High compression strength Acetal
  • Frame and cheek material: Toughened, glass fiber reinforced Nylon
  • Link material: UV stabilized, multi-strand impregnated SK75 Dyneema
  • Design features: Lightweight, low profile, and compact construction

Recommended Applications:

  • Mainsheet and spinnaker sheet systems on dinghies up to 5m (16 ft.)
  • Halyard, vang, and backstay applications on boats up to 5m (16 ft.)
  • Control line applications on larger yachts

Manuals & videos

  • Secure checkout
  • 21-day return requests
  • Free standard shipping $100+

Product facts

CT SKU
CT-103696
Model / MPN
RF35151
UPC / GTIN
9316800404964
Package dimensions (H × W × L)
1" X 2" X 4"
Package weight
0.06 lb
Country of origin
INDONESIA

Shipping & returns

Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.

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.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.