Spindles can be supplied in various sizes and conditions. Spindle type would be typically hexagonal or round. Below are the most popular spindle types as requested by our customers. it is possible to have a combination of spindle conditions. As an example, Spring Loaded plus Threaded.
In most cases rollers are supplied with spring loaded spindle. These can be both, hexagonal or round. The hexagonal prevents the spindle from rotating in the side frame, it also prevents the bearing inner race from rotating on the spindle.
‘Cross drilled’ spindles are supplied loose and allow several rollers to be wired together in a sideframe to prevent spindle rotation and to retain the roller.
Both round and hexagonal spindles can be drilled and tapped at each end to enable the roller to be bolted between the conveyor sideframes, thus increasing the rigidity of the conveyor.
Round spindles with 2 milled flats are used in conveyors with slotted side frames where rollers are lowered into position. In most cases the spindle is supplied fixed within the roller.
External circlips can be used to captivate a spindle within a roller. This method of retention is usually found on heavy duty rollers and drums.
Round spindles can be threaded at either end to suit a metric or imperial nut. In most cases the spindle is supplied loose.