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Plain Bearing 100mm

Selden’s 100mm Plain Bearing Blocks are built to handle heavy loads on larger yachts (40ft to 60ft), offering reliable performance for demanding applications. Designed for ropes 14mm to 16mm, these blocks are perfect for halyards, vangs, backstays, and other heavy-duty systems. The plain bearing system provides smooth operation for static loads, with minimal friction and low maintenance.

Each block features a 10mm shackle and can be fixed or allowed to rotate freely, offering flexible rigging options. While not designed for high-performance trimming, they excel in straightforward, heavy-duty applications.

Common Uses:

  • Halyards, Mast Foot Blocks
  • Vangs, Backstays
  • Mainsheets, Preventers

Key Features:

  • Stainless steel strap for strength
  • 100mm acetal sheave for smooth operation
  • Reinforced composite body for durability

Selden’s 100mm Plain Bearing Blocks offer durability and reliability, making them an ideal choice for larger yachts and tough, static load applications.

There are 6 products.

Showing 1-6 of 6 item(s)

100mm Single - Plain Bearing

A plain bearing block handling up to 4 ton load. The block features a plain bearing with acetal bushing and two axial Delrin bearings - these stabilize the sheave when the rope enters or exits the block with an angle. Machined, black anodised aluminium sheave and cheeks. The swivel pin is hollow and chamfered to reduce weight and all stainless parts are insulated from aluminium to prevent corrosion. The blocks are quick and easy to dismantle for maintenance. 

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100mm Single + Becket -...

A plain bearing block handling up to 4 ton load.The block features a plain bearing with acetal bushing and two axial Delrin bearings - these stabilize the sheave when the rope enters or exits the block with an angle.Machined, black anodised aluminium sheave and cheeks.The swivel pin is hollow and chamfered to reduce weight and all stainless parts are insulated from aluminium to prevent corrosion.The blocks are quick and easy to dismantle for maintenance.

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100mm Single...

A plain bearing block handling up to 4 ton load. The block features a plain bearing with acetal bushing and two axial Delrin bearings. - these stabilize the sheave when the rope enters or exits the block with an angle. Machined, black anodised aluminium sheave and cheeks. The swivel pin is hollow and chamfered to reduce weight and all stainless parts are insulated from aluminium to prevent corrosion. The blocks are quick and easy to dismantle for maintenance. 

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100mm Double - Plain Bearing

A plain bearing block handling up to 4 ton load. The block features a plain bearing with acetal bushing and two axial Delrin bearings - these stabilize the sheave when the rope enters or exits the block with an angle. Machined, black anodised aluminium sheave and cheeks. The swivel pin is hollow and chamfered to reduce weight and all stainless parts are insulated from aluminium to prevent corrosion. The blocks are quick and easy to dismantle for maintenance. 

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100mm Cheek - Plain Bearing

A plain bearing block handling up to 4 ton loadThe block features a plain bearing with acetal bushing and two axial Delrin bearings - these stabilize the sheave when the rope enters or exits the block with an angleMachined, black anodised aluminium sheave and cheeksThe swivel pin is hollow and chamfered to reduce weight and all stainless parts are insulated from aluminium to prevent corrosionThe blocks are quick and easy to dismantle for maintenance

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100mm Double Cheek - Plain...

A plain bearing block handling up to 4 ton load. The block features a plain bearing with acetal bushing and two axial Delrin bearings -these stabilize the sheave when the rope enters or exits the block with an angle. Machined, black anodised aluminium sheave and cheeks. The swivel pin is hollow and chamfered to reduce weight and all stainless parts are insulated from aluminium to prevent corrosion. The blocks are quick and easy to dismantle for maintenance. 

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