NPT025 MF

Mechanical data	1-stage
Ratio	3	4	5	7	8	10
Efficiency under full load ŋ [%]	97
Running noise L_PA[dB] at n1 = 3000 rpm without load	≤ 61
Service life L_h [h]	> 20000
Weight [kg] Depending on the clamping hub diameter and selected adapter plate	4.4
Mass moment of inertia J₁ [kgcm²] Based on the drive Letters = specification of the clamping hub diameter
C = 14 mm	0.75	0.57	0.44	0.33	0.3	0.27
D = 16 mm	0.9	0.72	0.59	0.46	0.45	0.42
E = 19 mm	0.99	0.8	0.67	0.56	0.53	0.5
G = 24 mm	2	1.8	1.7	1.6	1.6	1.5
H = 28 mm	1.7	1.5	1.4	1.3	1.3	1.2
Torques and speeds
Maximum torque T_2a[Nm]	128	152	160	160	144	144
Nominal output torque T_2N [Nm] At n_1N	40	48	50	50	45	45
Maximum acceleration torque T_2B [Nm] Maximum 1000 cycles per hour	80	95	100	100	90	90
EMERGENCY STOP torqueT_2Em.stop [Nm] Possible 1000 times during the service life of the gear unit	190
Nominal input speedn_1N [min^-1]	3100	3300	3400	3600	3700	3900
Maximum input speed n_1Max [min^-1]	7000
Idle torque T₀₁₂ [Nm] Based on the drive	0.43	0.35	0.3	0.24	0.23	0.2
Torsion and forces
Maximum torsional backlash j_t [arcmin]	Standard ≤ 8
Maximum torsional rigidity C_t21[arcmin]	9.5	9.5	9.5	9.5	8.5	8.5
Maximum axial forceF_2AMax[N] In relation to the shaft center at the output	1900
Maximum breakdown torque M_2Max [Nm]	79
Temperature [°C]
Maximum housing temperature	+ 90
Ambient temperature	-15 to +40
Housing
Properties	Heat-treated steel
Color	Anthracite gray; RAL 7016
Seal	Sealed bearing disks

Mechanical data	2-stage
Ratio	9	12	15	16	20	25	28	30
Efficiency under full load ŋ [%]	95
Running noise L_PA[dB] at n1 = 3000 rpm without load	≤ 59
Service life L_h [h]	> 20000
Weight [kg] Depending on the clamping hub diameter and selected adapter plate	4.7
Mass moment of inertia J₁ [kgcm²] Based on the drive Letters = specification of the clamping hub diameter
A = 9 mm	0.28	0.23	0.22	0.22	0.21	0.2	0.2	0.19
B = 11 mm	0.3	0.25	0.23	0.24	0.23	0.22	0.21	0.21
C = 14 mm	0.37	0.32	0.31	0.31	0.3	0.29	0.29	0.29
D = 16 mm	0.5	0.45	0.44	0.44	0.43	0.42	0.42	0.41
E = 19 mm	0.58	0.53	0.52	0.52	0.51	0.51	0.51	0.5
Torques and speeds
Maximum torque T_2a[Nm]	128	128	128	152	152	160	152	128
Nominal output torque T_2N [Nm] At n_1N	40	40	40	48	48	50	48	40
Maximum acceleration torque T_2B [Nm] Maximum 1000 cycles per hour	80	80	80	95	95	100	95	80
EMERGENCY STOP torqueT_2Em.stop [Nm] Possible 1000 times during the service life of the gear unit	190
Nominal input speedn_1N [min^-1]	3300	3500	3700	3500	3700	3700	4000	4300
Maximum input speed n_1Max [min^-1]	8000
Idle torque T₀₁₂ [Nm] Based on the drive	0.16	0.13	0.12	0.11	0.1	0.09	0.09	0.08
Torsion and forces
Maximum torsional backlash j_t [arcmin]	Standard ≤ 10
Maximum torsional rigidity C_t21[arcmin]	10	10	10	10	10	9.5	10	10
Maximum axial forceF_2AMax[N] In relation to the shaft center at the output	1900
Maximum breakdown torque M_2Max [Nm]	79
Temperature [°C]
Maximum housing temperature	+ 90
Ambient temperature	-15 to +40
Housing
Properties	Heat-treated steel
Color	Anthracite gray; RAL 7016
Seal	Sealed bearing disks

Mechanical data	2-stage
Ratio	32	35	40	50	64	70	100
Efficiency under full load ŋ [%]	95
Running noise L_PA[dB] at n1 = 3000 rpm without load	≤ 59
Service life L_h [h]	> 20000
Weight [kg] Depending on the clamping hub diameter and selected adapter plate	4.7
Mass moment of inertia J₁ [kgcm²] Based on the drive Letters = specification of the clamping hub diameter
A = 9 mm	0.19	0.19	0.19	0.19	0.19	0.19	0.19
B = 11 mm	0.21	0.21	0.21	0.21	0.21	0.21	0.21
C = 14 mm	0.29	0.29	0.28	0.28	0.28	0.28	0.28
D = 16 mm	0.41	0.41	0.41	0.41	0.41	0.41	0.41
E = 19 mm	0.5	0.5	0.49	0.49	0.49	0.49	0.49
Torques and speeds
Maximum torque T_2a[Nm]	152	160	152	160	144	160	144
Nominal output torque T_2N [Nm] At n_1N	48	50	48	50	45	50	45
Maximum acceleration torque T_2B [Nm] Maximum 1000 cycles per hour	95	100	95	100	90	100	90
EMERGENCY STOP torqueT_2Em.stop [Nm] Possible 1000 times during the service life of the gear unit	190
Nominal input speedn_1N [min^-1]	4100	4000	4300	4300	4100	4300	4300
Maximum input speed n_1Max [min^-1]	8000
Idle torque T₀₁₂ [Nm] Based on the drive	0.08	0.08	0.08	0.07	0.07	0.06	0.06
Torsion and forces
Maximum torsional backlash j_t [arcmin]	Standard ≤ 10
Maximum torsional rigidity C_t21[arcmin]	10	9.5	10	9.5	8.5	9.5	8.5
Maximum axial forceF_2AMax[N] In relation to the shaft center at the output	1900
Maximum breakdown torque M_2Max [Nm]	79
Temperature [°C]
Maximum housing temperature	+ 90
Ambient temperature	-15 to +40
Housing
Properties	Heat-treated steel
Color	Anthracite gray; RAL 7016
Seal	Sealed bearing disks

Further Information