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Ball Bearing 40mm

Selden’s 40mm Ball Bearing Blocks are perfect for dinghies, keelboats & yachts (30ft to 40ft) using ropes from 8mm to 10mm. The ball bearing system ensures smooth, low-friction performance for halyards, mainsheets, and general rigging.

With a 6mm shackle, they can be fixed or allowed to rotate freely.

Common Uses

  • Halyards
  • Mainsheets
  • General-purpose tackles

Key Features

  • Ball bearing system for smooth operation
  • 40mm acetal sheave for durability
  • Strong, lightweight design

Selden’s 40mm Ball Bearing Blocks provide reliable, smooth performance for dinghies, keelboats & mid-sized yachts.

There are 26 products.

Showing 1-20 of 26 item(s)

40mm Single + Hook + Fiddle...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Glass fibre reinforced composite.

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40mm Single + Swivel - Ball...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Glass fibre reinforced composite.

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40mm Single + Swivel + Cam...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Glass fibre reinforced composite.

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40mm Single + Swivel +...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads.Acetal bearing cage to prevent ball-to-ball friction and to reduce weight.Glass fibre reinforced composite.Product Code: 404-101-05R

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40mm Double + Loop Head...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Glass fibre reinforced composite.

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40mm Loop Head Double +...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Glass fibre reinforced composite.

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40mm Triple + Swivel - Ball...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Glass fibre reinforced composite.

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40mm Triple + Swivel + Cam...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Glass fibre reinforced composite.

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40mm Triple + Swivel +...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loadsAcetal bearing cage to prevent ball-to-ball friction and to reduce weightGlass fibre reinforced compositeProduct Code: 404-101-11R

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40mm Single + Fiddle - Ball...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Glass fibre reinforced composite.

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40mm Single + Fiddle + Cam...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loadsAcetal bearing cage to prevent ball-to-ball friction and to reduce weightGlass fibre reinforced compositeProduct Code: 404-101-14R

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40mm Single + Becket +...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Glass fibre reinforced composite.

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40mm Single + Hook + Fiddle...

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Glass fibre reinforced composite.

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