
Ronstan
Ronstan Series 20 Ball Bearing Block - Swivel Hook Head
SKU 55138·Blocks
$26.49
Series 20 Ball Bearing Block - Swivel Hook HeadFeatures: Low friction High static and dynamic load capacity Lightweight Low profile swivelling hook for quick and easy attachment Hook suits rope, stainless steel an...
1
Sold out
·Ships from US distribution
Authorized dealerGenuine Ronstan
Secure checkoutPowered by Shopify
Expert supportTalk to a rigger
Will it fit your boat?
Size it to your vessel first
Run your loads through the Energy Planner to confirm this gear covers your daily draw — and see if you need more panels or battery.
Open the Energy Planner →Series 20 Ball Bearing Block - Swivel Hook Head
Features:
Applications:
Materials:
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
M.W.L.: 135kg(300lbs)
B. L.: 270kg(590lbs)
Weight: 21g(0.7oz)
Features:
- Low friction
- High static and dynamic load capacity
- Lightweight
- Low profile swivelling hook for quick and easy attachment
- Hook suits rope, stainless steel and webbing fixing points
- Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
Applications:
- Dinghy control lines
- Dinghy vangs
- Cunninghams
- Traveller controls
Materials:
- Stainless steel ball bearings
- UV Stabilized Acetal sheave
- Grade 316 stainless steel load strap and head fitting
- Impact and UV resistant, fiber reinforced Nylon cheeks
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
M.W.L.: 135kg(300lbs)
B. L.: 270kg(590lbs)
Weight: 21g(0.7oz)
BrandRonstan
SKU55138
UPC9316800416622
TypeBlocks
Weight0.05 lb
Good to know
- Genuine Ronstan product from an authorized dealer.
- Ships from US distribution.
- Questions about fit or installation? Contact us before you order.
What's in the box
★★★★★
No reviews yet
Be the first to review the Ronstan Series 20 Ball Bearing Block - Swivel H.... Bought one? We'd love to hear how it's working aboard.
Share your experience