ML Masts & Rigging Ltd South Lockside Port Solent PO6 4TJ Portsmouth United Kingdom
0239 2371157

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Plain Bearing Blocks

Reliable, compact blocks for control lines, tackles and general deck hardware

Browse Seldén and Harken plain bearing blocks for dependable line handling in control systems, tackles and general deck applications. Choose the block size and configuration that best suits your line diameter, load and installation.

Selden & Harken Plain Bearing Blocks – Durable, High-Performance Rigging Solutions

Looking for reliable plain bearing blocks for your yacht or sailing vessel? At Martin Leaning, we stock a comprehensive range of Selden and Harken plain bearing blocks, trusted by sailors worldwide for their strength, efficiency, and low-maintenance performance.

Selden Plain Bearing Blocks – Built for Static Loads and Cruising Comfort

Selden’s plain bearing blocks are engineered for high-load, low-friction applications, making them ideal for halyard tuning, mainsheet systems, boom vangs, and other static rigging setups. Key features include:

Glass fiber-filled composite cheeks for torsional rigidity and smooth operation
Stainless steel straps for added safety and durability
Teflon-bushed sheaves for excellent performance under static loads
Quick-Lock options for temporary line locking on select models

Available in sizes from 16mm to 100mm, Selden blocks are a cost-effective solution for cruisers and club racers seeking dependable gear that lasts.

Harken Plain Bearing Blocks – Lightweight, Versatile, and Race-Ready

Harken’s plain bearing blocks are known for their lightweight design and smooth rotation, making them a favorite among performance sailors. Ideal for applications where dynamic loads are minimal, Harken blocks offer:

Composite or aluminum cheeks for strength-to-weight optimization
Delrin or composite sheaves for consistent, low-friction movement
Versatile mounting options including single, double, and fiddle configurations

Whether you're upgrading your deck layout or fine-tuning your sail handling systems, Harken blocks deliver precision and reliability across a wide range of rigging setups.

Why Choose Martin Leaning?

We specialize in premium yacht rigging hardware, offering expert advice and fast delivery across the UK. Our curated selection of Selden and Harken blocks ensures you’ll find the right fit for your boat—whether you're cruising the Solent or racing offshore.

Explore our full range of plain bearing blocks today and optimize your rig with trusted brands like Selden and Harken.

Need help choosing a block? Read our guide to sailing block types and our sailing block sizing guide.