
Ronstan
Ronstan Series 40 Ball Bearing Block - Single - Stand Up
SKU 55211·Blocks
$44.56
Series 40 Ball Bearing Block - Single - Stand UpSheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the ...
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 40 Ball Bearing Block - Single - Stand Up
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.Captive Lock universal head can be fixed in either of two planes, or free to swivel as required.
Features:
Applications:
Materials:
Specifications:
Sheave Ø: 40mm(1-9/16")
Max. Rope Ø: 10mm(7/16")
M.W.L.: 350kg(770lbs)
B. L.: 800kg(1,7600lbs)
Weight: 71g(2.5oz)
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.Captive Lock universal head can be fixed in either of two planes, or free to swivel as required.
Features:
- Low friction Acetal or Torlon® bearing system
- Lightweight
- Cheek cut-outs for easy bearing maintenance
- Captive Lock universal head
- High static and dynamic load capacity
Applications:
- Mainsheet
- Halyard
- Vang
- Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8M(26')
Materials:
- U.V. Stabilized Acetal sheaves
- Acetal ball bearings
- Impact and U.V. resistant, fiber reinforced Nylon cheeks
- Grade 316 stainless steel load strap and head fitting
Specifications:
Sheave Ø: 40mm(1-9/16")
Max. Rope Ø: 10mm(7/16")
M.W.L.: 350kg(770lbs)
B. L.: 800kg(1,7600lbs)
Weight: 71g(2.5oz)
BrandRonstan
SKU55211
UPC9316800244379
TypeBlocks
Weight0.2 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 40 Ball Bearing Block - Single -.... Bought one? We'd love to hear how it's working aboard.
Share your experience