4-Arm with Interchangeable Claws MECHANICAL PULLERS BETEX 56 Internal 4-arm bearing pullers with interchangeable claws (with case) for total 66 bearings till ø105 mm This 4-arm bearing puller has been specially developed to extract ball bearings from casings and shafts using a single action. This concerns the 6000, 6200, 6300 and 6400 series. 66 different ball bearings can be removed with these three sets of pullers.