Planetary gear reducer RP48

coaxialsolid-shaft10 - 20 Nm

Product Overview
RP48 is a 48 mm planetary gear motor / gearbox designed for high-load industrial drives, winches and robotic chassis. Standard ball-bearing output supports radial loads up to 200 N. Available gear ratios range from 1:4.44 to 1:2510 across 1 to 5 stages. Rated torque up to 20 N·m with peak momentary torque up to 60 N·m.

Key Facts for Engineering Buyers

• Product category: Planetary Gear Motors & Gearboxes
• Motor family: Planetary Gear Motor / Gearbox
• Brand / manufacturer: KWC Motor, Dongguan KWC Machinery Co., Ltd.
• Typical applications: industrial drives, winches, robotic chassis

Specification Signals

• Diameter: 48 mm
• Shaft diameter: 10 mm (D-shaft)
• Maximum radial load: 200 N
• Maximum axial load: 100 N

Core Applications & Solutions

• Robotic chassis & mobile platforms: suited for tracked inspection robots, heavy-load AGV chassis and powered exoskeleton modules. Provides 20 N·m continuous torque in higher-stage configurations.
• Industrial hoisting & winches: suitable for compact electric winches, lifts/hoists and solar trackers; ball-bearing output withstands radial pulling forces up to 200 N.

RP48 Gearbox Technical Specifications (table)
Gear Ratio | Stages | Length L (mm) | Rated Torque | Max Momentary Torque | Efficiency
1/4.44 | 1 | 37.8 ±0.5 | 2.0 N·m | 6 N·m | 90%
1/17 ~ 1/22 | 2 | 48.4 ±0.5 | 8.0 N·m | 25 N·m | 81%
1/65 ~ 1/106 | 3 | 58.8 ±0.5 | 16 N·m | 50 N·m | 73%
1/247 ~ 1/515 | 4 | 71.2 ±0.5 | 20 N·m | 60 N·m | 66%
1/945 ~ 1/2510 | 5 | 81.6 ±0.5 | 20 N·m | 60 N·m | 59%

Mechanical Parameters
Gearbox outer diameter: 48 mm. Shaft diameter: 10 mm (D-shaft). Output shaft supported by ball bearings. Maximum radial load: 200 N. Maximum axial load: 100 N. Maximum press-in force: 150 N. Radial backlash ≤ 0.06 mm.

Customization and Manufacturing Notes

• Supports OEM/ODM customization for voltage, speed, torque, shaft design (spline or keyway), cable or connector, gearbox integration, controls and lubrication (e.g., extreme-pressure grease).
• Compatible with 48 mm, 50 mm or higher-power motors (example: 50707 series).
• Precision assembly with radial backlash controlled within 0.06 mm; ball-bearing output for improved life under lateral loads.

Characteristics / Technical Specifications

• Model: RP48
• Gearbox outer diameter: 48 mm
• Shaft diameter: 10 mm (D-shaft)
• Bearing type: Ball bearings (output shaft)
• Maximum radial load: 200 N
• Maximum axial load: 100 N
• Maximum press-in force: 150 N
• Rated torque: up to 20 N·m
• Maximum momentary torque: up to 60 N·m
• Speed ratio range: 1:4.44 to 1:2510 (1 to 5 stages)
• Available stages and typical lengths: 1-stage 37.8 ±0.5 mm; 2-stage 48.4 ±0.5 mm; 3-stage 58.8 ±0.5 mm; 4-stage 71.2 ±0.5 mm; 5-stage 81.6 ±0.5 mm
• Efficiency by stage examples: 1-stage ~90%; 2-stage ~81%; 3-stage ~73%; 4-stage ~66%; 5-stage ~59%