p strong Series 1 Single Upright Block - 30mm strong p p strong Plain Bearing Blocks strong p p 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 p p strong Specifications strong p ul li Sheave size 30mm x 12mm li li Max rope diameter 8mm li li Safe working load 355kg 782lbs li li Breaking load 712kg 1565lbs li li Length 53mm li li Weight 64g li ul --- cis2 mmxtmJVt --- br
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