• Ronstan Series 40 Orbit Cheek Block - RF45151
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Brand: Ronstan

Ronstan Series 40 Orbit Cheek Block - RF45151

Ronstan Series 40 Orbit Cheek Block - RF45151

$33.71
$33.71
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About this product

The Ronstan Series 40 Orbit Cheek Block features an ultra-lightweight design with a 2-stage orbital ball bearing system, providing high working loads and low friction performance. Engineered for efficiency, this compact block is ideal for various rigging applications on small to medium-sized vessels.

Key Features:

  • High-performance 2-stage bearing system with acetal ball bearings
  • Lightweight, stress-optimized fiber-reinforced load frame
  • Base designed to accommodate curved mounting surfaces
  • Low mounting points to ensure maximum strength
  • Recommended mounting: 3 x 4mm (5/32 in.) countersunk head screws

Specifications and Applications:

  • Mainsheet and spinnaker sheet systems for dinghies up to 5m (16 ft.)
  • Halyard, vang, and backstay applications for boats up to 8m (26 ft.)
  • Control line applications for larger yachts
  • Ball bearings: Carbon black Acetal
  • Stage 2 bearing: Glass fiber reinforced, MoS2 impregnated Nylon
  • Frame and cheeks: Glass fiber reinforced Nylon
  • Sheave: Carbon fiber reinforced, PTFE impregnated Nylon

Manuals & videos

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

Product facts

CT SKU
CT-106469
Model / MPN
RF45151
UPC / GTIN
9316800393602
Package dimensions (H × W × L)
1" X 2" X 5"
Package weight
0.2 lb

Specifications

Type
Ronstan Series 40 Ball Bearing Orbit Block - Cheek

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.