
Ronstan
Ronstan Series 40 BB Block Single
- Full name
- RONSTAN SERIES 40 BB BLOCK SINGLE
- Mfg part #
- RF40100
- UPC
- 9316800243891
- SKU
- 55210
$33.11 $38.95
● In stock — 8 available · NJ · FL
🚚 Free shipping over $100
30-day returns. Details
✓ In stock, ready to ship from our NJ & FL warehouses
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Genuine parts from authorized distributors. Questions? getboatparts@gmail.com
- 30-day returns
About this part
The Ronstan Series 40 BB Block Single is a genuine Ronstan part (manufacturer part # RF40100, UPC 9316800243891) in our Blocks range under Sailing. 8 are in stock, shipping from our New Jersey and Florida warehouses. Shipping weight is about 0.17 lb.
Manufacturer description
Series 40 Ball Bearing Block - Single - Universal Head
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")
Pin Ø: 5mm(3/16")
M.W.L.: 350kg(770lbs)
B. L.: 1,000kg(2,200lbs)
Weight: 70g(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
- Slotted pin shackle eliminates fouled lines
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")
Pin Ø: 5mm(3/16")
M.W.L.: 350kg(770lbs)
B. L.: 1,000kg(2,200lbs)
Weight: 70g(2.5oz)



