PG25 Planetary Gearbox

PG25 Series

The PG25 planetary gearbox has a 25 mm diameter and a ball-bearing output shaft. Gearbox length and continuous torque vary across the listed reduction stages.

Product Highlights

Listed gear ratios: 4–1026:1
Gearbox diameter: 25 mm
Output bearing: ball bearing
Gearbox length: 25–40.3 mm

Customization Available

Custom shaft diameter, length and features
Mounting and mechanical integration
Gear ratios
Special lubricants

Shop Now Customize

Product Specifications

Model	PG25-4K	PG25-4.8K	PG25-19K	PG25-24K	PG25-28.5K	PG25-64K	PG25-96K	PG25-144K	PG25-304K	PG25-576K	PG25-1026K
Gearbox Type	Planetary Gear Motor	Planetary Gear Motor	Planetary Gear Motor	Planetary Gear Motor	Planetary Gear Motor	Planetary Gear Motor	Planetary Gear Motor	Planetary Gear Motor	Planetary Gear Motor	Planetary Gear Motor	Planetary Gear Motor
Gearbox Model	PG25-4K	PG25-4.8K	PG25-19K	PG25-24K	PG25-28.5K	PG25-64K	PG25-96K	PG25-144K	PG25-304K	PG25-576K	PG25-1026K
Gear Ratio (:1)	4	4.8	19	24	28.5	64	96	144	304	576	1026
Max. Input Speed (rpm)	—	—	—	—	—	—	—	—	—	—	—
Number Of Gear Stages	1	1	2	2	2	3	3	3	4	4	4
Gearbox Diameter (mm)	25	25	25	25	25	25	25	25	25	25	25
Gearbox Length (mm)	25	25	28.7	28.7	28.7	34.5	34.5	34.5	40.3	40.3	40.3
Max Continuous Torque (mN·m)	294.20	294.20	490.33	490.33	490.33	980.67	980.67	980.67	980.67	980.67	980.67
Breaking Torque (mN·m)	882.60	882.60	1471.00	1471.00	1471.00	2942.00	2942.00	2942.00	2942.00	2942.00	2942.00
Gearbox Efficiency (%)	90	90	81	81	81	72	72	72	72	72	72
Gearbox Weight (kg)	0.0501	0.0501	0.0679	0.0679	0.0679	0.0834	0.0834	0.0834	0.0976	0.0976	0.0976
Shaft Diameter (mm)	6	6	6	6	6	6	6	6	6	6	6
Pinion Hole Diameter (mm)	φ2	φ2	φ2	φ2	φ2	φ2	φ2	φ2	φ2	φ2	φ2
Operating Temperature Range (°C)	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65	-30 ~ 65
Gearbox Housing Material	Powder Metallurgy (Fe)	Powder Metallurgy (Fe)	Powder Metallurgy (Fe)	Powder Metallurgy (Fe)	Powder Metallurgy (Fe)	Powder Metallurgy (Fe)	Powder Metallurgy (Fe)	Powder Metallurgy (Fe)	Powder Metallurgy (Fe)	Powder Metallurgy (Fe)	Powder Metallurgy (Fe)
Gear Material	Powder Metallurgy (Fe) / Plastics	Powder Metallurgy (Fe) / Plastics	Powder Metallurgy (Fe) / Plastics	Powder Metallurgy (Fe) / Plastics	Powder Metallurgy (Fe) / Plastics	Powder Metallurgy (Fe) / Plastics	Powder Metallurgy (Fe) / Plastics	Powder Metallurgy (Fe) / Plastics	Powder Metallurgy (Fe) / Plastics	Powder Metallurgy (Fe) / Plastics	Powder Metallurgy (Fe) / Plastics
Gear Design	Helical Gear / Spur Gear	Helical Gear / Spur Gear	Helical Gear / Spur Gear	Helical Gear / Spur Gear	Helical Gear / Spur Gear	Helical Gear / Spur Gear	Helical Gear / Spur Gear	Helical Gear / Spur Gear	Helical Gear / Spur Gear	Helical Gear / Spur Gear	Helical Gear / Spur Gear
Output Shaft Bearing	Ball Bearing	Ball Bearing	Ball Bearing	Ball Bearing	Ball Bearing	Ball Bearing	Ball Bearing	Ball Bearing	Ball Bearing	Ball Bearing	Ball Bearing
Lubricant In Gearbox	Graphene oil	Graphene oil	Graphene oil	Graphene oil	Graphene oil	Graphene oil	Graphene oil	Graphene oil	Graphene oil	Graphene oil	Graphene oil
Axial Play (mm)	≤ 0.2	≤ 0.2	≤ 0.2	≤ 0.2	≤ 0.2	≤ 0.2	≤ 0.2	≤ 0.2	≤ 0.2	≤ 0.2	≤ 0.2
Radial Play (mm)	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1
Backlash (°)	≤ 1.5	≤ 1.5	≤ 1.5	≤ 1.5	≤ 1.5	≤ 1.5	≤ 1.5	≤ 1.5	≤ 1.5	≤ 1.5	≤ 1.5
Gear Module (M)	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4