JTEKT-KOYO 6004-Z Deep Groove Ball Bearing - 20 mm ID, 42 mm OD, 12 mm Width refrigerant testing tools Featuring a durable diaphragm pump

Featuring a durable diaphragm pump powered by a brushless DC motor

This rough surface "bites" into the screw head which avoids unintentional slipping out of the screw

The Whittet-Higgins RTDM-28 is a metric rethreading die used to clean

as well as extracting internal bearings

JTEKT-KOYO 6004-Z Deep Groove Ball Bearing - 20 mm ID, 42 mm OD, 12 mm Width refrigerant testing tools Featuring a durable diaphragm pumpDeep Groove Ball Bearing JTEKT KOYO deep groove ball bearings are versatile, robust, and accommodate radial and axial loads in both directions. Their simple design, low friction, and high speed capability make them suitable for a wide range of industrial applications, from electric motors to gearboxes. Sealed and shielded variants protect against contamination, while open versions allow easy lubrication.