The 50 mm Plain Bearing Block – Triple Swivel with Cam is a high-performance rigging block designed for complex sail handling and multi-directional alignment at sea. Featuring a 50 mm plain bearing sheave, this block delivers smooth, low-friction rotation under load, helping to reduce line wear while improving control and responsiveness across diverse rigging scenarios.
Selden Block PBB50 Triple-Cam
50 mm plain bearing triple swivel block with cam grip — smooth, low-friction rotation with maximum directional flexibility and secure line holding. Ideal for halyards, control leads, traveller and tackle systems onboard.
Ref Seashop
264050019
Manufacturer ref
405-001-09R
EAN code manufacturer
7350044270512
€151.72
Details
Its triple swivel head allows the block to orient freely in three axes, offering exceptional flexibility where load directions shift frequently — such as on halyard runs, control lines or traveller systems. The integrated cam grip provides secure and positive holding of lines under tension, supporting controlled sail adjustments without slip.
Engineered for demanding marine environments, this triple swivel block with cam grip combines rugged construction with dependable performance — ideal for cruising and performance yachts alike.
Key Features
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50 mm plain bearing sheave for smooth, low-friction rotation
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Triple swivel top for maximum directional flexibility
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Cam grip for secure line holding
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Durable build suited for marine environments
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Perfect for halyards, control leads, traveller and tackle systems
More Information
| Becket | Yes |
|---|---|
| Bearing | Plain bearing |
| Cam cleat | Yes |
| Max rope diameter | 36446 |
| Number of sheaves | 3 |
| Supplier ref | 405-001-09R |
| Manufacturer ref | 405-001-09R |
| EAN code manufacturer | 7350044270512 |
| Block type | Standard |
| Diameter sheave block | 23761 |
| Brand | Selden |
| Swivel | Yes |
| Breaking load block | 1200 kg |
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