HK 4020 ASI 22UZ21121 L Proper lubrication and alignment help

Proper lubrication and alignment help distribute high radial loads evenly across all needles

offering a clear quality jump above standard Chinese nuts such as WERB

designed for use with 8 mm precision shafts

Heavy-duty SHAC linear guide block for 35 mm rails

The housing is made from robust metal and machined to DSG 32H dimensions for reliable fit with WERB ball screw nuts

HK 4020 ASI 22UZ21121 L Proper lubrication and alignment helpYFB HK 4020 ASI Needle Roller Bearing Drawn Cup Bearing HK Series The YFB HK 4020 ASI is a compact and robust drawn cup needle roller bearing from the HK Series, designed for industrial machinery where space saving installation and dependable radial load support are required. Supplied by Abdul Traders, this is an original YFB product from a registered brand range trusted across Pakistan. It is suitable for applications that need smooth rotation,