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Description
Ronstan Orbit Series 40 Single Stand-Up Block w/ Swivel HeadProduct Description Ronstan Orbit Series 40 Single Stand Up Block w Swivel Head Features Ultra Lightweight Low friction 2 stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Swivel shackle head for unlimited block rotation grade 316 stainless steel. Stainless steel shackle head for ultimate durability with harsh fixing points. Sheave 1 9 16 in. Max. Rope 5 16 in. Max. Cable in Pin in.
Product Description
Ronstan Orbit Series 40 Single Stand-Up Block w/ Swivel Head
Features
Ultra Lightweight
Low friction 2-stage Orbital ball bearing system
Highest working load in its class
Low profile and compact
High performance cleating
Swivel shackle head for unlimited block rotation -grade 316 stainless steel.
Stainless steel shackle head for ultimate durability with harsh fixing points.
Sheave - 1 9/16 in.
Max. Rope - 5/16 in.
Max. Cable - in
Pin - in.
M.W.L. - 715 lb.
B. L. - 1430 lb.
Weight - 2.0 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. - 1430 lb.
Weight - 2.0 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
4.5 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Good quality
Color: Brown
Well made, looks high-end. Nice place to put things like wallet, keys, and pocket change.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 3, 2025
★★★★★ 5
Best organizer
Color: Brown
Perfect for when the hubby cleans out his pockets when he gets home and I can just pick up the tray and dust!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 5
Quality!
Color: Brown
Bought this for my husband. It is a bit weighty, which makes it feel substantial.
The covering material feels like velvety suede. We got the brown one. It looks like we spent good money for it but the price was really reasonable.
He just needed something in between small and large and this was perfect for storing his glasses, watch, billfold, etc.
Great quality! Very pleased!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 27, 2024
★★★★★ 5
Stylish
Color: Brown
Stylish, convenient and helps keep the household keys, sunglasses and other items in one place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2026
★★★★★ 5
Great Product
Color: Brown
Looks great. Hope it will last many years!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
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