NR (Right-Angle)
 | Ratio | Units | Frame Size |
NR23 | NR34 | NR42 |
| Nominal Output Torque, Tnom r | 1-3 | in lb | 16 | 64 | 123 |
Nm | 2 | 7 | 14 |
5 | in lb | 27 | 107 | 205 |
Nm | 3 | 12 | 23 |
8-10 | in lb | 40 | 142 | 250 |
Nm | 5 | 16 | 28 |
15 | in lb | 46 | 170 | 300 |
Nm | 5 | 19 | 34 |
20-100 | in lb | 50 | 180 | 350 |
Nm | 6 | 20 | 40 |
Max. Acceleration Output Torque,
Tacc r | 1-3 | in lb | 24 | 95 | 185 |
Nm | 3 | 11 | 21 |
5 | in lb | 40 | 160 | 307 |
Nm | 5 | 18 | 35 |
8-10 | in lb | 60 | 210 | 375 |
Nm | 7 | 24 | 42 |
15 | in lb | 70 | 255 | 450 |
Nm | 8 | 29 | 51 |
20-100 | in lb | 75 | 270 | 525 |
Nm | 9 | 31 | 59 |
| Nominal Input Speed, Nnom r | All | RPM | 4,000 | 4,000 | 4,000 |
| Max. Input Speed, Nmax r | All | RPM | 5,500 | 5,000 | 4,500 |
| Standard Backlash | 1, 3, 5, 8, 10 | arc min | 30 | 25 | 25 |
15-100 | arc min | 20 | 20 | 20 |
| Low Backlash | 1,3, 5, 8, 10 | arc min | 15 | 15 | 15 |
15-100 | arc min | 10 | 10 | 10 |
| Efficiency at Nominal Torque | All | % | 95 | 95 | 95 |
| Moment of Inertia | All | oz in sec2 | 0.0001 | 0.0009 | 0.007 |
gm cm sec2 | 0.0072 | 0.065 | 0.05 |
| Maximum Weight | All | lb | 1 | 3 | 6 |
kg | 0.5 | 1.4 | 3 |
| Radial Load (1) | All | lb | 150 | 250 | 500 |
N | 670 | 1,100 | 2,200 |
| Axial Load | All | lb | 75 | 125 | 250 |
N | 335 | 550 | 1,100 |
(1) Radial Loads are measured at 12.7mm (0.5in) from the gearhead mounting surface. These ratings are based on gearhead making more than one revolution on output shaft.
Note: Ratio 1:1 is available with coupling drive only. |