Number of gear stages 2
Gear ratio i 70
Nominal output torque T2N [Nm] 355.0
Max. output torque T2max [Nm] 568.0
Emergency switch-off torque T2stop [Nm] 1300
Idle torque [Nm] at 20°C and 3000 rpm 0.75
Max. average drive speed n1N50% [rpm] at 50% T2N and S1 3500
Max. average drive speed n1N100% [rpm] at 100% T2N and S1 3500
Max. drive speed n1max [rpm] 8500
Max. backlash Jt [arcmin] 5
Reduced backlash Jt [arcmin] less than 1
Torsional rigidity Ct21 [Nm/arcmin] 180.0
Tilting rigidity C2K [Nm/arcmin] 621.0
Max. breakdown torque M2Kmax [Nm] 1018.0
Max. radial force Frmax [N] for 30,000 h 11000
Max. radial force Frmax [N] for 20,000 h 12000
Max. axial force Famax [N] for 30,000 h 7500
Max. axial force Famax [N] for 20,000 h 8500
Operating noise LPA [dB(A)] 66
Efficiency at full load ŋ [%] 95
Min. operating temperature BTempmin [°C] -25
Max. operating temperature BTempmax [°C] 90
Mounting orientation Any
Degree of protection IP 65
Weight m [kg] 13.50
Moment of inertia J1 [kgcm2] 0.891
Material number:
Flange PG, i = 070, 2-stage, IP65
Documentation Version (Date) Download
8GF70 motor mounting instructions PDF / 426 KB
Datasheet 8GF70-064 PDF / 155 KB
Datasheet 8GF70-090 PDF / 147 KB
Datasheet 8GF70-110 PDF / 152 KB
Datasheet 8GF70-140 PDF / 144 KB
Datasheet 8GF70-200 PDF / 159 KB
General Version (Date) Download
System overview planetary gearboxes PDF / 3 MB

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