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Description
Ronstan Orbit Series 40 Single Becket Block w/ Swivel Head & CleatProduct Description Ronstan Orbit Series 40 Single Becket Block w Swivel Head & Cleat Features Ultra Lightweight Low friction 2 stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Sheave 1 9 16 in. Max. Rope 5 16 in. Max. Cable in Pin in. M. W. L. 715 lb. B. L. 1540 lb. Weight 3. 7 oz. Product Information Lightweight Kilogram for kilogram of working load, BB and RT Orbit Blocks are the
Product Description
Ronstan Orbit Series 40 Single Becket Block w/ Swivel Head & Cleat
Features
Ultra Lightweight
Low friction 2-stage Orbital ball bearing system
Highest working load in its class
Low profile and compact
High performance cleating
Sheave - 1 9/16 in.
Max. Rope - 5/16 in.
Max. Cable - in
Pin - in.
M.W.L. - 715 lb.
B. L. - 1540 lb.
Weight - 3.7 oz.
Product Information
Lightweight
Kilogram for kilogram of working load, BB and RT Orbit Blocks are the world's lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimizes the mass of the inactive return race and hub.
Weight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.
Multi-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement. This gives a 30% weight saving advantage over the nearest competitor. Other brands just link together their single blocks. This results in unnecessary double cheeks between each sheave, held together by a heavy steel channel across the top of the block.
Highest working load in its class
The orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximizes load performance. The proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range.
The floating sheave and bearing system is supported by a fiber-reinforced load frame. The design was computer modeled to be stress optimized.
Applications
Mainsheet systems on spinnaker sheet on dinghies to 5m (16ft)
Spinnaker sheets on dinghies, sportsboats and small keel boats to 5m (16ft)
Halyard, vang and backstay applications on boats to 8m (26ft)
Control line applications on larger yachts
Materials
Ball Bearings - High compression strength carbon black Acetal.
Stage 2 Bearing - Glass fiber reinforced, MoS2 impregnated Nylon
Frame/Cheeks - Toughened, glass fiber reinforced Nylon
Sheave - Carbon fiber reinforced, PTFE impregnated Nylon
Features
Sheave - 1 9/16 in.
Max. Rope - 5/16 in.
Max. Cable - in
Pin - in.
M.W.L. - 715 lb.
B. L. - 1540 lb.
Weight - 3.7 oz.
Product Information
Kilogram for kilogram of working load, BB and RT Orbit Blocks are the world's lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimizes the mass of the inactive return race and hub.
Weight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.
Multi-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement. This gives a 30% weight saving advantage over the nearest competitor. Other brands just link together their single blocks. This results in unnecessary double cheeks between each sheave, held together by a heavy steel channel across the top of the block.
The orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximizes load performance. The proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range.
The floating sheave and bearing system is supported by a fiber-reinforced load frame. The design was computer modeled to be stress optimized.
Applications
Materials
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 4
Great quality, color is ok.
Color: Cream Brown, Size: 2 x 6 ft Sheepskin
The quality, texture, feel and smell of the rug is very good. The hairs adhere to the back lining well and don't shed even with my cat trying to bite it out. The only downside unfortunately is aesthetic— the cream brown I ordered, in natural light/sun shining on it, looks more yellowish - gold.
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Reviewed in the United States on February 6, 2026
★★★★★ 5
Great Quality!
Color: Ivory White, Size: 2' x 6' (Sheepskin Shape), Color: Ivory White, Size: 2' x 6' (Sheepskin Shape)
I have owned many sheepskins before and this one is by far the best deal. Cheaper than similar sizes, but not in a bad way! It’s a beautiful creamy white, super plush, and is very long. We keep it on the back of our couch and it gives a very cozy vibe. I haven’t had any issues with it shedding.
Word of advice for cat owners: When we first got it, it did have a sheepskin smell but it isn’t a gross smell and it went away within a few days; however, my cat was very attracted to that smell and was “attacking” the sheepskin. We trained her not to do it just by spraying her with water—after a few times of that she stopped going anywhere near it. Now that the smell has dissipated, she isn’t attracted to it anymore but does like to sit on it every once and awhile (I can’t blame her, it’s sooooo soft). I saw someone else say their cat ruined their rug, so I wanted to give our story on how we prevented that and hopes it helps another cat owner. You just have to be alert for the first day, maybe even let it off-gas outside first, then keep a spray bottle nearby and the cat should stop messing with it!
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Reviewed in the United States on January 10, 2025
★★★★★ 5
Great little rug!
Color: Ivory White, Size: 2' x 3' (Sheepskin Shape), Color: Ivory White, Size: 2' x 3' (Sheepskin Shape)
This nice little sheepskin rug is the perfect finishing touch to my little reading nook. It’s soft and thick. Follow the enclosed instructions to fluff it up. I was going to order a second one but saw that the price jumped nearly $10 in a week. It’s nice but it’s not worth that amount. I’d buy it on sale though. Five stars.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Furnished Apartment? Quality!! Instant upgrade
Size: 2'6" x 6'6", Color: Ivory White, Size: 2'6" x 6'6", Color: Ivory White
I was concerned about ordering sheepskin online. So many scams & faux fur. And Wow!
Holy Moly - I’m so impressed. I’m from Hudson Valley NY - lots of sheep farmers - I know fur!
These are fabulous!
Bigger than the others online
Thick and full piles and beyond soft
These are beautiful - I’ve now ordered 3
If you’re a renter and furniture came with the rental - these can transform your space!
The colors are beautiful and appear very natural
PS: Do not expect bleached white color
And you really wouldn’t want it
I have allergies and chemical reactions
These are beautiful, supple and natural
They come with a linen bag, cleaning brush and care instructions
I’m so pleasantly surprised and maybe a bit obsessed with the quality of the pieces that arrived. You won’t regret this one!
I’ve ordered the white - over 6ft long draping my love seat. The brown - for two dining chairs that I easily move around. The photos explain - enjoy.
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Reviewed in the United States on February 7, 2026
★★★★★ 5
Gorgeous
Size: 2'10" x 3'10" (Rectangular), Color: Grey Tip
This is gorgeous!! Looks and feels wonderful on our armchair. Nice and thick- sooo soft! I believe it's also machine washable.
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Reviewed in the United States on March 27, 2026