Austlift manually operated snatch blocks are popular in the mining, construction, off shore rigging and heavy duty lifting applications. Complies with AS/NZS 2089. Made from hi-tensile steel body and cast steel sheave. Application Building construction sites Ship building yards Crane production sites Mine production sites Engineering Workshops Features Quality bush, ball or tapered bearings Identification tag with serial number Proof tested to 2 x WLL with certificate Fitted with hook head Robust construction & powder coated A roller bearing is a type of rolling-element bearing that uses a cylinder (roller) instead of a ball. These cylindrical bearings allow for greater radial loads and they are made to handle heavier loads than ball bearings.