Barton Marine Plain Bearing Block Single Fixed Eye 00110
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.
Length:39.1mm
Weight: 13g
Sheave size: 20mm x 8mm (25/32 x 5/16") Max rope diameter 5mm (3/16")
Max rope diameter: SWL 275kg (606lbs)
Break load: 550Kg (1210 lbs)
Max rolling load: (ball bearing blocks) 130kg (286lbs)
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