The Range of Self-Lube bearing units offers a wide choice of cast iron, pressed steel, synthetic rubber, thermoplastic or stainless steel housings fitted with spherical outside diameter Self-Lube bearing inserts. They will generally accommodate initial housing misalignment up to 0.030 radians but are not recommended for running misalignment in excess of 0.001 radians. SpecificationsMeasurement Unit: MetricShaft Diameter (d): 55.00mmBolt Centres (J): 178.5-162.5mmShaft Height (H): 63.5mmHousing Length (L): 219.5mmOverall Height: 129.5mm.