Model: 90JB
Description of Gear Speed Reducer 90JB:
As the "0" series gear speed reducer released by our company, our Gear Speed Reducer 90JB adopts high precision spiral gear, complete hermetic structure, special heat treatment, and lube immersion.
Feature of Gear Speed Reducer 90JB:
Our Gear Speed Reducer 90JB has the advantages of high intension, high efficiency, anti-abrasive, and low noise, etc.
Application of Gear Speed Reducer 90JB:
90JB Gear Speed Reducer is perfect for electric motor's reducing mechanism whose power is up to 60W. You can find the common specification of reduction ratio and output shaft turning from the following parameter table. Special reduction ratio can be made according to user's requirements.

Technical specification of Gear Speed Reducer 90JB:
| Service condition | Storage environment condition |
| a. Air temperature: -20℃~+130℃ b. Relative humidity: <90% | a. Air temperature: -5℃~+35℃ b. Relative humidity: <70% c. Away from corrosive gas d. Well ventilation |
| Reduction ratio | L mm | Output axle direction of rotation | Reduction ratio | L mm | Output axle direction of rotation |
| 1:3 | 42 | Opposite with the motor | 1:30 | 60 | Same with the motor |
| 1:3.6 | Same with the motor | 1:36 | |||
| 1:5 | 1:40 | Opposite with the motor | |||
| 1:6 | 1:50 | ||||
| 1:7.5 | 1:60 | ||||
| 1:10 | 1:75 | ||||
| 1:12.5 | 1:90 | ||||
| 1:15 | 1:100 | ||||
| 1:18 | 60 | Opposite with the motor | 1:120 | ||
| 1:20 | 1:150 | ||||
| 1:25 | 1:180 |