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All Categories > Planetary Reducer Gearboxes > Servobox Series Model SFL Planetary Reducer Gearboxes > Model Number SFL142-20N-P0-2ph  
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Model Number SFL142-20N-P0-2ph, Servobox Series Model SFL142 2-Stage, 20 Ratio, Solid Output Shaft Bearing, and P0 Backlash Class Planetary Reducer Gearbox


Quiet Operation
Helical gears reduce vibration and noise.

High Precision
Backlash ≤ 3 arc·min reaches precision alignment.

High Rigidity and Torque
High rigidity and high torque are achieved by integrant needle roller bearings and a one-piece construction.




Specifications  · Dimensions  · Features

Specifications

Brands
Pelonis Technologies

Model
142

Ratio
20

Output Bearing
Solid Output Shaft (No Keyway)

Backlash Class
P0

Stage
2-Stage

Rated Output Torque (Nominal Output Torque) (T2N)
555 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
≤ 7 arc·min

Torsional Rigidity
60 N·m/arc·min

Maximum Radial Force (F2rB)
12750 N

Maximum Axial Force (F2aB)
10840 N

S5 Cycle Operation Service Life (LH)
>30000 hours

S1 Continuous Operation Service Life (LH)
>15000 hours

Efficiency (η)
≥ 92 %

Operating Temperature
-25 to +90 ºC

Lubrication
Synthetic Grease

Protection Class
Ingress Protection (IP65)

Mounting Position
Any

Noise Level
≤ 74 dB

Weight
21.5 kg

Weight Tolerance (±)
3 %

Mass Moments of Inertia
6.85 kg·cm²


Dimensions

Dimension A1
165 mm

Dimension A2
11 mm

Dimension A3
40 mm

Dimension A4
130 mm

Dimension A5
10 mm

Dimension A6
M12 x P1.75

Dimension A7
12 mm

Dimension A8
43 mm

Dimension B1
142 mm

Dimension B2
112 mm

Dimension B3
27 mm

Dimension B4
70 mm

Dimension B5
82 mm

Dimension B6
12 mm

Dimension B7
240 mm

Dimension B8
300 mm

Dimension B9
412 mm

Dimension C1
115 mm
145 mm
165 mm

Dimension C2
M6
M8
M10

Dimension C3
24 mm
28 mm
32 mm

Dimension C4
67 mm

Dimension C5
95 mm
110 mm
130 mm

Dimension C6
M8 x P1.25

Dimension C7
122 mm
130 mm
150 mm

Dimension C8
141 mm

Dimension C9
212 mm


Features
High Load-Bearing Capacity
High load-bearing capacity is achieved by a dual tapper bearing.

One-Piece Helical Gear Box
The gear box and internal ring gear 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.

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.

Integrated Planetary Arm Bracket
The planetary arm bracket and the output shaft are a one-piece construction design that increases torsional rigidity and accuracy.


Cooling

Heating

Motors