BK29by Wachendorff AutomationBellow coupling for encoders with shaft sizes ø 6mm, 8mm, 10mm or 12mm* Max. offset of shafts radial: ± 0,25 mm or ± 0,30 mm* Torsion spring stiffness: 150 Nm/rad or 130 Nm/rad* Specifications Max. operating speed 10,000 rpm Max. torque 80 Ncm Max. offset of shafts radial ± 0.25 mm, ± 0.10 mm Max. offset of shafts axial ± 0.4 mm Max. offset of shafts angular ± 4° Torsion spring stiffness 150 Nm/rad, 130 Nm/rad* Radial spring stiffness 25 N/mm Moment of inertia 9 gcm² Max. clamping torque 100 Ncm Weight 15g Material Flange: Aluminum, anodized Bellows: Stainless steel Configurations BK290606 Bellow coupling: ø d1 = 6mm, ø d2 = 6mm BK290610 Bellow coupling: ø d1 = 6mm, ø d2 = 10mm BK290612 Bellow coupling: ø d1 = 6mm, ø d2 = 12mm BK290808 Bellow coupling: ø d1 = 8mm, ø d2 = 8mm BK291010 Bellow coupling: ø d1 = 10mm, ø d2 = 10mm BK291012 Bellow coupling: ø d1 = 10mm, ø d2 = 12mm BK291212 Bellow coupling: ø d1 = 12mm, ø d2 = 12mm
