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All Categories > Planetary Reducer Gearboxes > Servobox Series Model FB Planetary Reducer Gearboxes > Model Number FB50-4  
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Model Number FB50-4, Servobox Series Model FB50 1-Stage, 4 Ratio, and Standard Output Bearing Planetary Reducer Gearbox


Integrated Planetary Arm Bracket
The planetary arm bracket and the output shaft are one-piece constructed to increase torsional rigidity and accuracy. The entire structure is machined for controlling accuracy in the specified tolerance.

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.




Specifications  · Dimensions  · Features

Specifications

Brands
Pelonis Technologies

Model
50

Ratio
4

Output Bearing
Standard (Keyway)

Stage
1-Stage

Rated Output Torque (Nominal Output Torque) (T2N)
15 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)
5000 rpm

Backlash
≤ 8 arc·min

Torsional Rigidity
2.3 N·m/arc·min

Maximum Radial Force (F2rB)
750 N

Maximum Axial Force (F2aB)
325 N

S5 Cycle Operation Service Life (LH)
>30000 hours

S1 Continuous Operation Service Life (LH)
>15000 hours

Efficiency (η)
≥ 97 %

Operating Temperature
-25 to +90 ºC

Lubrication
Synthetic Grease

Protection Class
Ingress Protection (IP65)

Mounting Position
Any

Noise Level
≤ 62 dB

Weight
0.63 kg

Weight Tolerance (±)
3 %

Mass Moments of Inertia
0.04 kg·cm²


Dimensions

Dimension A1
50 mm

Dimension A2
4.5 mm

Dimension A3
13 mm

Dimension A4
35 mm

Dimension A5
5 mm

Dimension A6
M4 x P0.7

Dimension A7
5 mm

Dimension A8
15 mm

Dimension B1
50 mm

Dimension B2
4 mm

Dimension B3
15 mm

Dimension B4
20 mm

Dimension B5
25 mm

Dimension B6
6 mm

Dimension B7
100.5 mm

Dimension C1
46 mm
60 mm
63 mm

Dimension C2
M3
M4
M5

Dimension C3
8 mm
9 mm
11 mm

Dimension C4
26 mm

Dimension C5
30 mm
40 mm
50 mm

Dimension C6
M4 x P0.7

Dimension C7
46 mm
55 mm


Features
High Precision Gear Machining
The planetary gear and sun gear are manufactured from high quality Ni-Cr-Mo alloy steel (SNCM220), precision machined and carburizing heat treatment to hardness 57-60 HRC. Precision teeth grinding or skiving ensures gear accuracy reaches DIN6 class.

One-piece Gear Box Housing
The gear box and internal ring gear are one-piece constructed. High gear accuracy meets DIN6 class.


Cooling

Heating

Motors