Chogori disk dampers provide smooth mechanical motion damping using silicone fluid resistance. It is reliable with a life of over 50,000 cycles. Suitable for a diverse range of application including fixed chairs, public dustbins, medical beds,etc. Diameter: 57 mm (2.24 in) Height: 14,2 mm (0.6 in) Specifications: Part No. Torque (Kgf.cm/N.m) CD57N- L/R 303 30 / 3.0 CD57N- L/R 403 40 / 4.0 CD57N- L/R 503 50 / 5.0 CD57N- L/R 603 60 / 6.0 CD57N- L/R 703 70 / 7.0 CD57N- L/R 803 80 / 8.0 CD57N- L/R 903 90 / 9.0 L - Rotate in Counter clockwise direction, R - Rotate in clockwise direction Note: Rated data is measured when the rotation speed is 20 rpm and the ambient temperature is 23â??�±3â??. * Max rotation speed 50 rpm. * Max cycle rate 12 cycles per min ( 1 cycle is turning 360�º or reverse 360�º) * Temperature range -10~50â?? * Weight: 98g * Body and cap material: steel (SPFC) * Rotating shaft material: Nylon(contained glass fiber ) * Oil type: Silicone oil