New Barton Block Range Series 2: 35 mm Blocks
A strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft.
A comprehensive range of multiple sheave options, together with fiddles and cam cleat blocks, allows powerful, lightweight tackles to be achieved.
Plain bearing blocks
Barton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.
Ball bearing blocks
With our unique super-low friction ball race systems, featuring acetal sheaves and delrin ball bearings, running on a large diameter centre boss. This allows us to fit more load-bearing balls, which ensure extremely low friction performance, even under high loads.
| Overview | |
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Single 35mm x 12mm (1 3 /8 x 7/16″) Fiddle 30/45mm x 12mm (1 3 /16 x 1 3/4″ x 7/16″) |
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Max rope diameter 8mm ( 5 /16″) |
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SWL 370Kg (815 lbs) |
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Break load 740Kg (1630 lbs) |
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Max rolling load (ball bearing blocks) 260kg 573 lbs) |
Important note – break loads
Where break and safe working loads are stated, it is assumed that all sheaves are evenly loaded as in a purchase tackle. Uneven loading, or loading of one sheave in a double or triple block, will severely affect strength quoted. If unsure, please seek further assistance.
Maximum rolling load on ball bearing blocks is the maximum free running load before ball bearings will distort.
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