Page 52 - Parker - Gearheads and Gearmotors

Stealth MultiDrive Gearheads
®

MultiDrive RT/RD/RB Output Shaft Load Rating

RT90/RD90/RB90 Formulas to calculate radial load
3.2k 700 (Prx) at any distance "X" from
the gearhead mounting surface:
2.8k
Radial Pr* 600
2.4k Radial load (P ) @ 21.5mm (0.85in)
Axial
Load, P (N) 1.6k from the mtg surface 500 Load, P (lb) Prx = Pr * 121 mm / (100 mm + X)
r
2.0k
400
Prx = Pr * 4.76 in / (3.94 in + X)
300
1.2k
800 200
400 100
0 0
0 500 1000 1500 2000 2500 3000
Speed, n (rpm)

RT115/RD115/RB115
5.0k
1.0k
4.0k Radial Pr*
Axial
Radial load (P ) @ 26.5mm (1.04in) 800
r
from the mtg surface Prx = Pr * 151 mm / (125 + X)
Load, P (N) 2.0k 600 Load, P (lb) Prx = Pr * 5.94 in / (4.92 in + X)
3.0k
400
1.0k
200
0 0
0 500 1000 1500 2000 2500
Speed, n (rpm)

RT142/RD142/RB142
10k
2.0k
8.0k Radial Pr*
Axial 1.5k
Load, P (N) 6.0k from the mtg surface 1.0k Load, P (lb) Prx = Pr * 201 mm / (160 + X)
Radial load (P ) @ 41.5mm (1.63in)
r
Prx = Pr * 7.91 in / (6.30 in + X)
4.0k

2.0k 500

0 0
0 500 1000 1500 2000 2500
Speed, n (rpm)

52 Parker Hannifin Corporation • Electromechanical Automation Division • 800-358-9070 • www.parkermotion.com