Product Description
High Quality Worm Gear Reducer
Suitable for three-phase asynchronous motors, servo motors, and stepper motors
Blue Version (Optional) Silver Version (Default)
Upgraded Details
One-piece molding
Powder-coated/painted aluminum alloy housing
Corrosion resistant
Thickened 94 copper/12-2 tin bronze worm gear
Wear resistant
20Cr steel, carburized treatment
Durable
Imported SKF oil seal
Leak-proof
Internal Structure
Cover Plate Vent HCH Bearings Input Flange
Worm Wheel Input Worm Gear Housing
(94 Copper/12-2 Imported (20Cr Steel) (Aluminum Alloy/Cast Iron)
Tin Bronze) SKF Oil Seal
Product Type Diagram
| Input Circular Flange | Input Square Flange | Input Hole Without Flange | Dual Input (Flange/Shaft) |
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Dual Input Shaft | Single Input Shaft | Input Flange/Output Flange | Dual-Stage Linkage |
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Multiple Accessories Available
Note: Please contact customer service for accessories.
Input Output
Flange Flange
Output Shaft Torque Arm Dust Cover
Pre-purchase Notes
Information Provided & Quick Service
1. Gearbox Model, Speed Ratio
2. Gearbox Input Hole Size, Input Flange Size, Output Hole Size
3. Gearbox Installation Method
[Default Installation Method B3]
4. Required Accessories: Torque Arm, Output Flange, Output Shaft
[Product Price Does Not Include Accessory Prices]
5. Required to Use with a Three-Phase Asynchronous Motor
[Motor Power, Shaft Size, Flange Size, Installation Method]
Motor Nameplate Location
RV Nameplate Location
Diagonal Pitch
Input Bore Diameter
Flange Diameter Flange Spigot
Flange Side Length
Output Bore Diameter
RV Measurement Required Location
Product parameters
RV30 (Upgraded Version)

Core Information
· Configuration: Imported SKF oil seals, HCH bearings
· Material: Aluminum housing
· Speed ratio: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80
Flange Type | Input Bore Diameter | Output Bore Diameter | Flange Diameter | Motor Power |
Circular Flange | 9mm | 14mm | 80mm Small | 60w/90w |
120mm Large | ||||
11mm | 90mm Small | 120w | ||
140mm Large | 180w |
Flange Type | Input Bore Diameter | Flange Side Length | Flange Spigot | Diagonal Pitch |
Square Flange | 9/11mm | 57mm | 38.1mm | 67mm |
60mm | 50mm | 67/70mm | ||
80mm | 70/73mm | 90/94mm | ||
90mm | 83mm | 104mm | ||
104mm | 94mm | 120mm |
RV30 Upgraded Version +Three-Phase Motor

Motor poles: 380V/4 poles
RV Flange Diameter | RV Input Bore Diameter | RV Output Bore Diameter | RV Weight | Motor Power | Motor Weight | |
RV30 Upgraded Version + 180W Three-Phase Motor | 90mm Small | 11 | 14 | Approx. 1.3kg | 180w | Approx. 4.5kg |
RV40 (Upgraded Version)

Core Information
· Configuration: Imported SKF oil seals, HCH bearings
· Material: Aluminum housing
· Speed ratio: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Flange Type | Input Bore Diameter | Output Bore Diameter | Flange Diameter | Motor Power |
Circular Flange | 9mm | 18mm | 120mm Large | 90w |
11mm | 90mm Small | 120w/180w | ||
140mm Large | ||||
14mm | 105mm Small | 250w/370w | ||
160mm Large |
Flange Type | Input Bore Diameter | Flange Side Length | Flange Spigot | Diagonal Pitch |
Square Flange | 9/11/14mm | 60mm | 50mm | 67/70mm |
86mm | 73mm | 95mm | ||
90mm | 83mm | 104mm | ||
104mm | 94mm | 120mm |
RV40 Upgraded Version + Three-Phase Motor

· Motor poles: 380V/4 poles
RV Flange Diameter | RV Input Bore Diameter | RV Output Bore Diameter | RV Weight | Motor Power | Motor Weight | |
RV40 Upgraded Version + 250W Three-Phase Motor | 105mm Small | 14 | 18 | Approx. 2.4kg | 250w | Approx. 5.6kg |
RV40 Upgraded Version + 370W Three-Phase Motor | 105mm Small | 14 | 18 | Approx. 2.4kg | 370w | Approx. 6kg |
RV50 (Upgraded Version)

Core Information
·Configuration: Imported SKF oil seals, HCH bearings
·Material: Aluminum shell
·Speed ratio: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Flange Type | Input Bore Diameter | Output Bore Diameter | Flange Diameter | Motor Power |
Circular Flange | 11mm | 25mm | 140mm Large | 120w/180w |
14mm | 105mm Small | 250w/370w | ||
160mm Large | ||||
19mm | 120mm Small | 550w/750w | ||
200mm Large |
Flange Type | Input Bore Diameter | Flange Side Length | Flange Spigot | Diagonal Pitch |
Square Flange | 11/14/19mm | 80mm | 60/70mm | 90/94mm |
86mm | 60/70/73mm | 95mm | ||
90mm | 80/83mm | 104mm | ||
104mm | 94mm | 120mm | ||
110mm | 85/95mm | 130mm | ||
130mm | 110mm | 145mm |
RV50 Upgraded Version + Three-phase motor

·Motor poles: 380V/4 poles
RV Flange Diameter | RV Input Bore Diameter | RV Output Bore Diameter | RV Weight | Motor Power | Motor Weight | |
RV50 Upgraded Version + 370W Three-Phase Motor | 105mm Small | 14 | 25 | Approx. 3.6kg | 370w | Approx. 6kg |
RV50 Upgraded Version + 550W Three-Phase Motor | 120mm Small | 19 | 25 | Approx. 3.6kg | 550w | Approx. 9kg |
RV50 Upgraded Version + 750W Three-Phase Motor | 120mm Small | 19 | 25 | Approx. 3.6kg | 750w | Approx. 10kg |
RV63 (Upgraded Version)

Core Information
·Configuration: Imported SKF oil seals, HCH bearings
·Material: Aluminum housing
·Speed ratio: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Flange Type | Input Bore Diameter | Output Bore Diameter | Flange Diameter | Motor Power |
Circular Flange | 14mm | 25mm | 105mm Small | 250w/370w |
160mm Large | ||||
19mm | 120mm Small | 550w/750w | ||
200mm Large | ||||
24mm | 140mm Small | 1.1kw/1.5kw | ||
200mm Large |
Flange Type | Input Bore Diameter | Flange Side Length | Flange Spigot | Diagonal Pitch |
Square Flange | 14/19/22/24mm | 86mm | 73/80mm | 95mm |
110mm | 85/95mm | 130mm | ||
130mm | 100/110mm | 145mm |
RV63 Upgraded Version + Three-phase motor

·Motor poles: 380V/4 poles
RV Flange Diameter | RV Input Bore Diameter | RV Output Bore Diameter | RV Weight | Motor Power | Motor Weight | |
RV63 Upgraded Version + 550W Three-Phase Motor | 120mm Small | 19 | 25 | Approx. 6.3kg | 550w | Approx. 9kg |
RV63 Upgraded Version + 750W Three-Phase Motor | 120mm Small | 19 | 25 | Approx. 6.3kg | 750w | Approx. 10kg |
RV63 Upgraded Version + 1.1kW Three-Phase Motor | 140mm Small | 24 | 25 | Approx. 6.3kg | 1.1kw | Approx. 12.5kg |
RV63 Upgraded Version + 1.5kW Three-Phase Motor | 140mm Small | 24 | 25 | Approx. 6.3kg | 1.5kw | Approx. 14.5kg |
RV75 (Upgraded Model)

Core Information
·Configuration: Imported SKF Oil seals,HCH bearings
·Material: Aluminum housing
·Speed ratio: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Flange Type | Input Bore Diameter | Output Bore Diameter | Flange Diameter | Motor Power |
Circular Flange | 14mm | 28mm | 160mm Large | 250w/370w |
19mm | 120mm Small | 550w/750w | ||
200mm Large | ||||
24mm | 140mm Small | 1.1kw/1.5kw | ||
200mm Large | ||||
28mm | 160mm Small | 2.2kw/3kw/4kw | ||
250mm Large |
Flange Type | Input Bore Diameter | Flange Side Length | Flange Spigot | Diagonal Pitch |
Square Flange | 19/22/24/28mm | 86mm | 70/73mm | 95mm |
110mm | 85/95mm | 130mm | ||
130mm | 100/110mm | 145mm |
RV75 Upgraded Model + Three-Phase Motor

·Motor poles: 380V/4 poles
RV Flange Diameter | RV Input Bore Diameter | RV Output Bore Diameter | RV Weight | Motor Power | Motor Weight | |
RV75 Upgraded Version + 550W Three-Phase Motor | 120mm Small | 19 | 28 | Approx. 9kg | 550w | Approx. 9kg |
RV75 Upgraded Version + 750W Three-Phase Motor | 120mm Small | 19 | 28 | Approx. 9kg | 750w | Approx. 10kg |
RV75 Upgraded Version + 1.1kW Three-Phase Motor | 140mm Small | 24 | 28 | Approx. 9kg | 1.1kw | Approx. 12.5kg |
RV75 Upgraded Version + 1.5kW Three-Phase Motor | 140mm Small | 24 | 28 | Approx. 9kg | 1.5kw | Approx. 14.5kg |
RV75 Upgraded Version + 2.2kW Three-Phase Motor | 160mm Small | 28 | 28 | Approx. 9kg | 2.2kw | Approx. 21kg |
RV90 (Upgraded Model)

Core Information
·Configuration: Imported SKF oil seals, HCH bearings
·Material: Aluminum shell / Cast Iron
· Speed Ratio: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Flange Type | Input Bore Diameter | Output Bore Diameter | Flange Diameter | Motor Power |
Circular Flange | 19mm | 35mm | 120mm Small / 200mm Large | 550w/750w |
24mm | 140mm Small / 200mm Large | 1.1kw/1.5kw | ||
28mm | 160mm Small / 250mm Large | 2.2kw/3kw/4kw |
Flange Type | Input Bore Diameter | Flange Side Length | Flange Spigot | Diagonal Pitch |
Square Flange | 19/22/24/28mm | 86mm | 70/73mm | 95mm |
110mm | 85/95mm | 130mm | ||
130mm | 100/110mm | 145mm |
RV90 Upgrade + Three-Phase Motor

· Motor Pole: 380V/4 Pole
RV Flange Diameter | RV Input Bore Diameter | RV Output Bore Diameter | RV Weight | Motor Power | Motor Weight | |
RV90 Upgraded Version + 750W Three-Phase Motor | 120mm Small | 19 | 35 | Approx. 13kg | 750w | Approx. 10kg |
RV90 Upgraded Version + 1.1kW Three-Phase Motor | 140mm Small | 24 | 35 | Approx. 13kg | 1.1kw | Approx. 12.5kg |
RV90 Upgraded Version + 1.5kW Three-Phase Motor | 140mm Small | 24 | 35 | Approx. 13kg | 1.5kw | Approx. 14.5kg |
RV90 Upgraded Version + 2.2kW Three-Phase Motor | 160mm Small | 28 | 35 | Approx. 13kg | 2.2kw | Approx. 21kg |
RV90 Upgraded Version + 3.0kW Three-Phase Motor | 160mm Small | 28 | 35 | Approx. 13kg | 3kw | Approx. 24.8kg |
RV110 (Upgraded Model)

Core Information
·Configuration: Imported SKF Oil seals, HCH bearings
·Material: Cast iron
·Speed ratio: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Flange Type | Input Bore Diameter | Output Bore Diameter | Flange Diameter | Motor Power |
Circular Flange | 19mm | 42mm | 200mm Large | 550w/750w |
24mm | 140mm Small | 1.1kw/1.5kw | ||
200mm Large | ||||
28mm | 250mm Large | 2.2kw/3kw/4kw | ||
38mm | 200mm Small | 5.5kw/7.5kw | ||
300mm Large |
Flange Type | Input Bore Diameter | Flange Side Length | Flange Spigot | Diagonal Pitch |
Square Flange | 22/24/28/35/38mm | 130mm | 110mm | 145mm |
180mm | 114.3mm | 200mm |
RV110 upgraded version + three-phase motor

·Motor poles: 380V/4 poles
RV Flange Diameter | RV Input Bore Diameter | RV Output Bore Diameter | RV Weight | Motor Power | Motor Weight | |
RV110 Upgraded Version + 3.0kW Three-Phase Motor | 250mm Large | 28 | 42 | Approx. 40kg | 3kw | Approx. 24.8kg |
RV110 Upgraded Version + 4.0kW Three-Phase Motor | 250mm Large | 28 | 42 | Approx. 40kg | 4kw | Approx. 30.5kg |
RV130 (Upgraded Version)

Core Information
·Configuration: Imported SKF oil seals, HCH bearings
·Material: Cast iron
·Speed Ratio: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Flange Type | Input Bore Diameter | Output Bore Diameter | Flange Diameter | Motor Power |
Circular Flange | 24mm | 45mm | 140mm Small / | 1.1kw/1.5kw |
200mm Large | ||||
28mm | 250mm Large | 2.2kw/3kw/4kw | ||
38mm | 200mm Small | 5.5kw/7.5kw | ||
300mm Large |
Flange Type | Input Bore Diameter | Flange Side Length | Flange Spigot | Diagonal Pitch |
Square Flange | 22/24/28/35/38mm | 180mm | 114.3mm | 200mm |
RV130 Upgraded Version + Three-Phase Motor

·Motor poles: 380V/4 poles
RV Flange Diameter | RV Input Bore Diameter | RV Output Bore Diameter | RV Weight | Motor Power | Motor Weight | |
RV130 Upgraded Version + 3.0kW Three-Phase Motor | 250mm Large | 28 | 45 | Approx. 50kg | 3kw | Approx. 24.8kg |
RV130 Upgraded Version + 4.0kW Three-Phase Motor | 250mm Large | 28 | 45 | Approx. 50kg | 4kw | Approx. 30.5kg |
RV150 (upgraded version)

Core information
·Configuration: Imported SKF Oil seals,HCH bearings
• Material: Cast iron
• Speed ratio: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Flange Type | Input Bore Diameter | Output Bore Diameter | Flange Diameter | Motor Power |
Circular Flange | 28mm | 50mm | 250mm Large | 2.2kw/3kw/4kw |
38mm | 200mm Small | 5.5kw/7.5kw | ||
300mm Large | ||||
35mm/42mm | 350mm Large | 11kw/15kw |
Flange Type | Input Bore Diameter | Flange Side Length | Flange Spigot | Diagonal Pitch |
Square Flange | 28/35/38/42mm | 180mm | 114.3mm | 200mm |
Quality Control
3C Certification
Three-Phase Asynchronous Motor
Factory Direct Sales, In Stock Available
Aluminum Alloy Housing
Pure Copper Enameled Wire
Default Motor: 4-Pole - 380V Three-Phase Asynchronous Motor
Other Motors Available - Please Contact Customer Service
Brake Motor Variable Frequency Speed Single-Phase Aluminum
Control Three-Phase Motor Housing Motor
Factory Display
Thickened Copper Worm Gear Imported CNC Machine Tools
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