20mm kogelgelagerd enkel blok met beugel en hondsvot

Dual stage bearing means low friction ballbearing at low loads and plain bearing at hi loads which makes the working load extremely high. Can be fitted with a shackle in either of two planes to allow correct alignment of the block.------- lijndiameter: 6mm schijfdiameter: 20mm breekbelasting: 550kg werkbelasting: 250kg