rigid shaft-to-shaft coupling medium capacity three-part design compact design self-releasing tapers, greased with MoS2 (μ = 0.05). Oiled tapers (self-locking) up to size 14×44 screws greased with MoS2 (μ = 0.10) connection of shafts with different diameters is possible, through stepped bore inner ring or adapter sleeve shafts tolerance: h7 – h9 shafts surface finish Ra < 3.2 μm shafts – coupling contact surfaces: oiled (μ = 0.12) Composition slotted inner ring front outer ring rear outer ring set of hexagonal head cap screws, grade 10.9 (size < M6 of grade 8.8)