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All Categories > Planetary Reducer Gearboxes > Servobox Series Model PB-A Planetary Reducer Gearboxes > Model Number PB-A90A-30  
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Model Number PB-A90A-30, Servobox Series Model PB90A 2-Stage, 30 Ratio, and Standard Output Bearing Planetary Reducer Gearbox


Quiet Operation
Helical gears reduce vibration and noise.

High Torque
High output torque is compared to spur gear planetary gear reducers.

High Efficiency
Efficiency for 1-stage model exceeds 97%; 2-stage model exceeds 94%.




Specifications  · Dimensions  · Features

Specifications

Brands
Pelonis Technologies

Model
90A

Ratio
30

Output Bearing
Standard (Keyway)

Stage
2-Stage

Rated Output Torque (Nominal Output Torque) (T2N)
125 N·m

Maximum Acceleration Torque (T2B)
1.8 Times of Rated Output Torque

Maximum Output Torque (Emergency Stop Torque) (T2NOT)
3 Times of Rated Output Torque

Rated Input Speed (n1N)
3000 rpm

Maximum Input Speed (n1B)
6000 rpm

Backlash
≤ 10 arc·min

Torsional Rigidity
14 N·m/arc·min

Maximum Radial Force (F2rB)
3040 N

Maximum Axial Force (F2aB)
1520 N

S5 Cycle Operation Service Life (LH)
>30000 hours

S1 Continuous Operation Service Life (LH)
>15000 hours

Efficiency (η)
≥ 94 %

Operating Temperature
25 to +90 ºC

Lubrication
Synthetic Grease

Protection Class
Ingress Protection (IP65)

Mounting Position
Any

Noise Level
≤ 60 dB

Weight
5.48 kg

Weight Tolerance (±)
3 %

Mass Moments of Inertia
0.46 kg·cm²


Dimensions

Dimension A1
100 mm

Dimension A2
6.8 mm

Dimension A3
22 mm

Dimension A4
80 mm

Dimension A5
9 mm
23.5 mm

Dimension A6
M8 x P1.25

Dimension A7
6 mm

Dimension A8
24.5 mm

Dimension B1
90 mm

Dimension B2
48 mm

Dimension B3
10 mm

Dimension B4
30 mm

Dimension B5
36 mm

Dimension B6
10 mm

Dimension C1
90 mm
100 mm
115 mm
145 mm

Dimension C2
M5
M6
M8

Dimension C3
19 mm
22 mm
24 mm

Dimension C4
59 mm
73.5 mm

Dimension C5
70 mm
80 mm
95 mm
110 mm

Dimension C6
M6 x P1.0

Dimension C7
92 mm
110 mm
130 mm

Dimension C8
208 mm
222.5 mm


Features
Integrated Planetary Arm Bracket
The planetary arm bracket and the output shaft are one-piece constructed to increase torsional rigidity and accuracy.

Full Needle Roller Bearings Design
The planetary gear transmission employs full needle roller bearings without a retainer to increase the contact surface. This greatly improves structural rigidity and service life.

Collet Locking Mechanism
The input-end and the motor are coupled through a collet locking mechanism. The mechanism is dynamically balanced to ensure concentricity and balance on the connection and has no backlash for power transmission while running at a high speed.

One-Piece Helical Gear Box
The gear box and internal ring are a one-piece construction design. The speed reduction mechanism employs helical gears that provide two times the meshing rate of teeth compared to regular spur gears. It operates very smoothly, has low noise, high output torque, and low backlash


Cooling

Heating

Motors