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Gearbox
Number of gear stages 2
Gear ratio i 9
Nominal output torque T2N [Nm] 210,0
Max. output torque T2max [Nm] 336,0
Idle torque [Nm] at 20°C and 3000 rpm 0,50
Max. average drive speed n1N50% [rpm] at 50% T2N and S1 3500
Max. average drive speed n1N100% [rpm] at 100% T2N and S1 2300
Max. backlash Jt [arcmin] 12
Reduced backlash Jt [arcmin] less than 0
Torsional rigidity Ct21 [Nm/arcmin] 13,0
Tilting rigidity C2K [Nm/arcmin] 0,0
Max. breakdown torque M2Kmax [Nm] 0,0
Max. radial force Frmax [N] for 30,000 h 5400
Max. radial force Frmax [N] for 20,000 h 6000
Max. axial force Famax [N] for 30,000 h 7000
Max. axial force Famax [N] for 20,000 h 8000
Operating noise LPA [dB(A)] 65
Efficiency at full load ŋ [%] 94
Min. operating temperature BTempmin [°C] 25
Max. operating temperature BTempmax [°C] 90
Mounting orientation Any
Degree of protection IP65
Weight m [kg] 8,80
Moment of inertia J1 [kgcm2] 2,627
Material number:
8GP55-120--009S2L5
Description:
two-stage; Planetary gearbox 8GP55; Size 120; i = 009 8LSA motor with size 5; Backlash: 12 arcmin; Degree of protection IP 65 Shaft with keyway DIN6885; Output shaft diameter: 32,0 mm Nominal output torque: 210,0 Nm; Max. output torque: 336,0 Nm Ø input speed 100% T2n: 2300 min-1; Max. input speed: 6500 rpm
Documentation Version (Date) Download
8GP55 motor mounting instructions PDF / 435 KB
Datasheet 8GP55-060 PDF / 147 KB
Datasheet 8GP55-080 PDF / 148 KB
Datasheet 8GP55-120 PDF / 147 KB
General Version (Date) Download
System overview planetary gearboxes PDF / 914 KB

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