PG series Small Planetary Gearbox

We manufacture PG series small planetary gearboxes with size from 22mm to 52mm. Wide gear ratios selection from 3 to 3736. Mainly match with coreless motor, dc brush motor, BLDC motor and small stepper motor. Planetary gears option: plastic, steel gears, powder metallurgy. PG series belong to transmission type gear reducer which need low cost and high output torque application.
PG series Small Planetary Gearbox
PG series Small Planetary Gearbox

Product Description

Standard model: PG22/PG25/PG28/PG32/PG36/PG42/PG45/PG52.

Wide gear ratio selection and all size on stock.

 

 

Features:

 

Metal housing material

Compact structure with low noise working

Backlash less than 1°

Bearing option: sleeve bearing and ball bearing

Stage option: 1 stage, 2 stage, 3 stage, 4 stage, 5 stage

Output shaft option: round, key, D shape

Gear ratio: 3-3736

Diameter: 22mm/25mm/28mm/32mm/36mm/42mm/45mm/52mm

Planetary gears option: plastic gears, steel gears, sintered gears

 

 

Typical Model Data

 

Model

Gear Ratio

Rate Torque

Max Torque

Efficiency

Stages

Gearbox Length

 

 

 

PG22

3.5; 4

1 kgf.cm

3 kgf.cm

90%

1

13.9mm

12.3; 16; 19

2 kgf.cm

6 kgf.cm

81%

2

17.5mm

42.8; 64; 90

4 kgf.cm

12 kgf.cm

73%

3

21.1mm

150; 256; 304; 361; 428

4 kgf.cm

12 kgf.cm

65%

4

24.7mm

712; 1024; 1263; 1444; 1500; 2036

4 kgf.cm

12 kgf.cm

59%

5

28.3mm

 

 

 

PG28

3.3; 4.6

5 kgf.cm

15 kgf.cm

90%

1

20.2mm

11.2; 15.5; 21.5

10 kgf.cm

30 kgf.cm

81%

2

25.9mm

37.7; 52.1; 72; 100

25 kgf.cm

75 kgf.cm

73%

3

31.7mm

126; 174; 241; 334; 462

25 kgf.cm

75 kgf.cm

65%

4

37.5mm

423; 585; 810; 1120; 1549; 2142

25 kgf.cm

75 kgf.cm

59%

5

43.3mm

 

 

 

PG36

3.7; 5.2

10 kgf.cm

30 kgf.cm

90%

1

25.1mm

13.7; 19.2; 26.9

20 kgf.cm

60 kgf.cm

81%

2

32.3mm

50.9; 71.2; 99.5; 139

50 kgf.cm

150 kgf.cm

73%

3

38.5mm

188; 264; 369; 516; 721

50 kgf.cm

150 kgf.cm

65%

4

44.7mm

699; 977; 1367; 1911; 2672

3736

50 kgf.cm

150 kgf.cm

59%

5

50.9mm

 

 

PG42

3.7

20 kgf.cm

60 kgf.cm

90%

1

31.8mm

10.2; 13.7; 19.2

60 kgf.cm

180 kgf.cm

81%

2

43.1mm

32.5; 50.9; 71.2; 99.5

120 kgf.cm

360 kgf.cm

73%

3

54.4mm

139; 188; 264; 369; 516

120 kgf.cm

360 kgf.cm

65%

4

65.7mm

699; 977; 1367; 1911; 2672

120 kgf.cm

360 kgf.cm

59%

5

77mm

 

 

Size Drawing:

 

 

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