NSK - Self-Lube, Cast Iron Bearing Four bolt flange bearing units from NSK. Made from cast iron these self lubricated units are robust and long lasting. These bearing units are easy to fit and can be removed without any breakage allowing for easy re-fitting. Made from cast iron to BS1452
Spherical bearing insert accommodates initial misalignment
Nitrile/fabric seals
C3 internal radial clearance