![Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]](http://boatpartsdepot.com/cdn/shop/files/op_blade_hero_icast2024_1.png?v=1758553857&width=3840)
![Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]](http://boatpartsdepot.com/cdn/shop/files/lumitec.png?v=1758638733&width=3840)
![Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]](http://boatpartsdepot.com/cdn/shop/files/garmin.webp?v=1758640530&width=3840)
![Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-27T113233.566.png?v=1724740371&width=3840)
![Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]](http://boatpartsdepot.com/cdn/shop/files/kraken.jpg?v=1758232543&width=3840)
![13 Fishing AL13 Spinning Reel - 5.2:1 - 3.0 [AL13-5.2-3.0]](http://boatpartsdepot.com/cdn/shop/files/105635XL.jpg?v=1726202266&width=3840)
![13 Fishing AL13 Spinning Reel - 5.2:1 - 3.0 [AL13-5.2-3.0]](http://boatpartsdepot.com/cdn/shop/files/105635BXL.jpg?v=1726202268&width=3840)
![13 Fishing AL13 Spinning Reel - 5.2:1 - 6.0 [AL13-5.2-6.0]](http://boatpartsdepot.com/cdn/shop/files/105637XL.jpg?v=1726202347&width=3840)
![13 Fishing AL13 Spinning Reel - 5.2:1 - 6.0 [AL13-5.2-6.0]](http://boatpartsdepot.com/cdn/shop/files/105637BXL.jpg?v=1726202349&width=3840)
![13 Fishing AL13 Spinning Reel - 6.2:1 - 6.0 [AL13-6.2-6.0]](http://boatpartsdepot.com/cdn/shop/files/105639XL.jpg?v=1726202411&width=3840)
![13 Fishing AL13 Spinning Reel - 6.2:1 - 6.0 [AL13-6.2-6.0]](http://boatpartsdepot.com/cdn/shop/files/105639BXL.jpg?v=1726202413&width=3840)
![13 Fishing Concept A Baitcast Reel - 5.6:1 - RH [A2-5.6-RH]](http://boatpartsdepot.com/cdn/shop/files/105556XL.jpg?v=1726201865&width=3840)
![13 Fishing Concept A Baitcast Reel - 5.6:1 - RH [A2-5.6-RH]](http://boatpartsdepot.com/cdn/shop/files/105556BXL.jpg?v=1726201867&width=3840)
![13 Fishing Concept A Baitcast Reel - 6.8:1 - RH [A2-6.8-RH]](http://boatpartsdepot.com/cdn/shop/files/105558XL.jpg?v=1726201884&width=3840)
![13 Fishing Concept A Baitcast Reel - 6.8:1 - RH [A2-6.8-RH]](http://boatpartsdepot.com/cdn/shop/files/105558BXL.jpg?v=1726201886&width=3840)
![13 Fishing Concept A Baitcast Reel - 8.3:1 - RH [A2-8.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105562XL.jpg?v=1726201928&width=3840)
![13 Fishing Concept A Baitcast Reel - 8.3:1 - RH [A2-8.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105562BXL.jpg?v=1726201930&width=3840)
![13 Fishing Concept A3 Baitcast Reel - 8.1:1 - RH [CA3-8.1-RH]](http://boatpartsdepot.com/cdn/shop/files/105573XL.jpg?v=1726202072&width=3840)
![13 Fishing Concept A3 Baitcast Reel - 8.1:1 - RH [CA3-8.1-RH]](http://boatpartsdepot.com/cdn/shop/files/105573BXL.jpg?v=1726202074&width=3840)
![13 Fishing Inception G2 Baitcast Reel - 6.6:1 - RH [ING2-6.6-RH]](http://boatpartsdepot.com/cdn/shop/files/105581XL.jpg?v=1726202089&width=3840)
![13 Fishing Inception G2 Baitcast Reel - 6.6:1 - RH [ING2-6.6-RH]](http://boatpartsdepot.com/cdn/shop/files/105581BXL.jpg?v=1726202091&width=3840)
![13 Fishing Inception G2 Baitcast Reel - 7.3:1 - RH [ING2-7.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105583XL.jpg?v=1726202107&width=3840)
![13 Fishing Inception G2 Baitcast Reel - 7.3:1 - RH [ING2-7.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105583BXL.jpg?v=1726202109&width=3840)
Built for the Water
Lighting the Way Below – Enhancing Every Dive
Underwater Glow, Unmatched Visibility
![Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]](http://boatpartsdepot.com/cdn/shop/files/55174XL_180x.jpg?v=1723138413)
Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing HeadBall Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their...
Available:
In stock
Guaranteed safe checkout:
Same-Day shipping
This item is available for 2 day shipping
Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing Head
Ball Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options.
Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber-reinforced composites in the block head, cleat arms and beckets.
Features:
- Lightweight
- Highest working load in its class
- Secure, versatile and secure attachement
- Low profile and compact
- Ultra low profile thru-sheave becket
- RF35101 accepts RF1850S shackle in both orientations to create a conventional loop top block
- Self-lubricating Nylatron® sheave and full contact bearing for high dynamic loads
Applications:
- Mainsheet systems and spinnaker sheets on dinghies to 5M(16')
- Halyard, vang and backstay applications on boats to 5M(16')
- Control line applications on larger yachts
Materials:
- Sheave: High compression strength carbon black Acetal
- Ball Bearings: High compression strength Acetal
- Frame/Cheeks: Toughened, glass fiber reinforced Nylon
- Link: UV stabilized, multi-strand impregnated SK75 Dyneema®
Specifications:
=Sheave Ø: 30mm(1-3/16")
Max. Rope Ø: 8mm(5/16")
M.W.L.: 300kg(660lbs)
B. L.: 600kg(1,320lbs)
Weight: 22g(0.8oz)
Quick Guide (pdf)
Related product
![13 Fishing Inception G2 Power Model Casting Reel - 5.3:1 - RH [ING2P-5.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105586XL.jpg?v=1726202137&width=3840)
![13 Fishing Inception G2 Power Model Casting Reel - 5.3:1 - RH [ING2P-5.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105586BXL.jpg?v=1726202139&width=3840)
$110.99
$168.99
-34%
Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]
RECENTLY VIEWED PRODUCTS
![Navionics NAUS008R - U.S. West - Navionics+ [010-C1371-30]](http://boatpartsdepot.com/cdn/shop/files/92610XL.jpg?v=1723564743&width=3840)
![Navionics Platinum+ NPUS007R - U.S. East [010-C1370-40]](http://boatpartsdepot.com/cdn/shop/files/92656XL.jpg?v=1723565178&width=3840)
![C-MAP 4D SA-D501 Gulf of Paria to Cape Horn [M-SA-D501-MS]](http://boatpartsdepot.com/cdn/shop/files/80867XL.jpg?v=1723513261&width=3840)
![C-MAP M-SA-Y038-MS Discover South America Caribbean [M-SA-Y038-MS]](http://boatpartsdepot.com/cdn/shop/files/79656XL.jpg?v=1723508037&width=3840)
![C-MAP 4D NA-D064 Gulf of Mexico - microSD/SD [M-NA-D064-MS]](http://boatpartsdepot.com/cdn/shop/files/76125XL.jpg?v=1723204219&width=3840)
![C-MAP 4D NA-D065 Caribbean Central America -microSD/SD [M-NA-D065-MS]](http://boatpartsdepot.com/cdn/shop/files/76126XL.jpg?v=1723204228&width=3840)
![C-MAP 4D NA-063 Chesapeake Bay to Cuba - microSD/SD [M-NA-D063-MS]](http://boatpartsdepot.com/cdn/shop/files/76123XL.jpg?v=1723204200&width=3840)
![C-MAP 4D NA-D061 Great Lakes St Lawrence Seaway -microSD/SD [M-NA-D061-MS]](http://boatpartsdepot.com/cdn/shop/files/76124XL.jpg?v=1723204210&width=3840)
![C-MAP 4D NA-D062 Nova Scotia to Chesapeake Bay - microSD/SD [M-NA-D062-MS]](http://boatpartsdepot.com/cdn/shop/files/76122XL.jpg?v=1723204190&width=3840)
![C-MAP 4D SA-D500 Costa Rica to Chile to Falklands [M-SA-D500-MS]](http://boatpartsdepot.com/cdn/shop/files/71429XL.jpg?v=1723185811&width=3840)
![C-MAP 4D NA-D025 - Canada West Including Puget Sound [M-NA-D025-MS]](http://boatpartsdepot.com/cdn/shop/files/60780XL.jpg?v=1723155457&width=3840)
![C-MAP 4D NA-D021 - Canada North & East [M-NA-D021-MS]](http://boatpartsdepot.com/cdn/shop/files/60779XL.jpg?v=1723155448&width=3840)
![Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-28T110403.265.png?v=1724825283&width=3840)
