HMK4030 Drawn Cup Needle Roller Bearing HMK 4030 gearbox Bearings
HMK4030 is a Drawn Cup Needle Roller Bearing with open ends, featuring a thin - walled stamped outer ring and precision needle rollers. The open design allows easy lubrication and integration with adjacent components. It is optimized to handle heavy radial loads in compact spaces, with low friction enabled by the needle roller geometry.
Sizes: 40mm ID x 50mm OD x 30mm Width = 1.5748" ID x 1.9685" OD x 1.1811" Width
Interchange: Cross - brand equivalents (e.g., INA HMK4030, NTN HMK4030) matching “drawn cup needle roller + 40×50×30mm open ends” specs
Applications: Light - duty industrial gearboxes, automotive auxiliary shafts (e.g., oil pumps), robotic joints, medical device drives, office machinery (printers, copiers), and compact equipment needing high radial load capacity in limited space.