专业的光学球罩制造商
福州富兰机电技术开发有限公司
（http://www.fjsmt.com）

工业导电滑环的专业制造商
杭州全盛电气有限公司
（http://www.hzqs.com）
 

28J*20K Planetary gear

Click to download the product information

 Technique parameter
housing material metal
Bearing At Output Sleeve Bearings
Radial Load(10mm from flange) ≤3.5kg
Shaft Axial Load ≤2.5kg
Radial Play Of Shaft ≤0.04mm
Thrust Play Of Shaft ≤0.3mm
Backlash,At No-Load ≤3°
Shaft Press Fit Force,Max ≤10kg
Motor Specification  
Module                0.5
No.of teeth 11 17
Pressure angle        20°
Hole diameter       Φ2.02                 Φ2.32
Reduction ratio

1/5.2 1/27
1/139 1/720

1/3.7 1/14 1/19 1/51 1/71
1/100 1/189 1/264 1/369 1/516
Technique Specification 

Reduction Ratio

Exact Reduction Ratio

Rated Tolerance Torque

Max Momentary Tolierance Torque

Efficiency

L
(mm)

Weight（g）

1/3.7 1/5.2

1/3.71 1/5.18

 2kg.cm

6kg.cm
90%
 31.5±0.5

59

1/14 1/19 1/27

1/13.76 1/19.22 1/26.83
4kg.cm
12kg.cm
81%
 40.0±0.5
82

1/51 1/71 1/100 1/139

1/51.06 1/71.30 1/99.55 1/138.99
10kg.cm
30kg.cm
73%
 48.5±0.5
92

1/189 1/264 1/369
1/516 1/720
1/189.45 1/264.52 1/369.32 1/515.66 1/719.98
20kg.cm
60kg.cm
66%
 57.5±0.5
107
Dimensions



 

 


 

 
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