Model: 90JB-B
Description of Gear Speed Reducer 90JB-B:
Belonging to "0" series gear speed reducer developed by our company, our Gear Speed Reducer 90JB is made by high precision spiral gear, complete hermetic structure, special heat treatment, and lube immersion.
Feature of Gear Speed Reducer 90JB-B:
Our Gear Speed Reducer 90JB-B has the advantages of high intension, high efficiency, anti-abrasive, and low noise, etc.
Application of Gear Speed Reducer 90JB-B:
90JB-B Gear Speed Reducer is ideal for electric motor's reducing mechanism whose power is less than 120W. Common specification of reduction ratio and output shaft turning sees the parameter table. Special reduction ratio can be made as per user's demand.

| 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 | 65 | Same with the motor | 1:30 | 65 | Same with the motor |
| 1:3.6 | 1:36 | ||||
| 1:5 | 1:40 | ||||
| 1:6 | 1:50 | ||||
| 1:7.5 | 1:60 | ||||
| 1:10 | Opposite with the motor | 1:75 | |||
| 1:12.5 | 1:90 | ||||
| 1:15 | 1:100 | ||||
| 1:18 | 1:120 | ||||
| 1:20 | 1:150 | ||||
| 1:25 | Same with the motor | 1:180 |