![Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100]](http://boatersemporium.com/cdn/shop/products/55210XL.jpg?v=1574562748&width=1000)
![Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100]](http://boatersemporium.com/cdn/shop/products/55210XL_1024x.jpg?v=1574562748)
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:
- 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:t40mm(1-9/16")
Max. Rope Ø:t10mm(7/16")
Pin Ø: 5mm(3/16")
M.W.L.:t350kg(770lbs)
B. L.:t1,000kg(2,200lbs)
Weight:t70g(2.5oz)
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