![[GGM] — K8G Gearhead for □80 25/40W Geared Motors (□80mm, 1/3–1/250 + Decimal, Cap 8 N·m, ø10 Keyed Shaft)](https://img.prosourcemro.com/2026/06/0604-33-952x1024.png)
Gearheads
GGM
[GGM] — K8G Gearhead for □80 25/40W Geared Motors (□80mm, 1/3–1/250 + Decimal, Cap 8 N·m, ø10 Keyed Shaft)
Family ID: GGM-K8G
GGM K8G parallel-shaft gearhead for □80mm 25W/40W GGM geared motors (induction, reversible, brake, speed-control), sold separately from the motor. 25 gear ratios 1/3–1/250 plus decimal gearhead K8G10BX (1/10), ø10 (h7) keyed output shaft, max permissible torque 8 N·m / 80 kgf·cm.
26 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| K8G3B | GGM K8G gearhead K8G3B — ratio 1/3, output 500/600 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/3 | Output Speed: 500 rpm @50Hz / 600 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G3.6B | GGM K8G gearhead K8G3.6B — ratio 1/3.6, output 416/500 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/3.6 | Output Speed: 416 rpm @50Hz / 500 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G5B | GGM K8G gearhead K8G5B — ratio 1/5, output 300/360 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/5 | Output Speed: 300 rpm @50Hz / 360 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G6B | GGM K8G gearhead K8G6B — ratio 1/6, output 250/300 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/6 | Output Speed: 250 rpm @50Hz / 300 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G7.5B | GGM K8G gearhead K8G7.5B — ratio 1/7.5, output 200/240 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/7.5 | Output Speed: 200 rpm @50Hz / 240 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G9B | GGM K8G gearhead K8G9B — ratio 1/9, output 166/200 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/9 | Output Speed: 166 rpm @50Hz / 200 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G10B | GGM K8G gearhead K8G10B — ratio 1/10, output 150/180 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/10 | Output Speed: 150 rpm @50Hz / 180 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G12.5B | GGM K8G gearhead K8G12.5B — ratio 1/12.5, output 120/144 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/12.5 | Output Speed: 120 rpm @50Hz / 144 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G15B | GGM K8G gearhead K8G15B — ratio 1/15, output 100/120 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/15 | Output Speed: 100 rpm @50Hz / 120 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G18B | GGM K8G gearhead K8G18B — ratio 1/18, output 83/100 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/18 | Output Speed: 83 rpm @50Hz / 100 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G20B | GGM K8G gearhead K8G20B — ratio 1/20, output 75/90 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/20 | Output Speed: 75 rpm @50Hz / 90 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G25B | GGM K8G gearhead K8G25B — ratio 1/25, output 60/72 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/25 | Output Speed: 60 rpm @50Hz / 72 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G30B | GGM K8G gearhead K8G30B — ratio 1/30, output 50/60 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/30 | Output Speed: 50 rpm @50Hz / 60 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G36B | GGM K8G gearhead K8G36B — ratio 1/36, output 41/50 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/36 | Output Speed: 41 rpm @50Hz / 50 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G40B | GGM K8G gearhead K8G40B — ratio 1/40, output 37/45 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/40 | Output Speed: 37 rpm @50Hz / 45 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G50B | GGM K8G gearhead K8G50B — ratio 1/50, output 30/36 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/50 | Output Speed: 30 rpm @50Hz / 36 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G60B | GGM K8G gearhead K8G60B — ratio 1/60, output 25/30 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/60 | Output Speed: 25 rpm @50Hz / 30 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G75B | GGM K8G gearhead K8G75B — ratio 1/75, output 20/24 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/75 | Output Speed: 20 rpm @50Hz / 24 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G90B | GGM K8G gearhead K8G90B — ratio 1/90, output 16/20 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/90 | Output Speed: 16 rpm @50Hz / 20 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G100B | GGM K8G gearhead K8G100B — ratio 1/100, output 15/18 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/100 | Output Speed: 15 rpm @50Hz / 18 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G120B | GGM K8G gearhead K8G120B — ratio 1/120, output 12.5/15 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/120 | Output Speed: 12.5 rpm @50Hz / 15 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G150B | GGM K8G gearhead K8G150B — ratio 1/150, output 10/12 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/150 | Output Speed: 10 rpm @50Hz / 12 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G180B | GGM K8G gearhead K8G180B — ratio 1/180, output 8.3/10 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/180 | Output Speed: 8.3 rpm @50Hz / 10 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G200B | GGM K8G gearhead K8G200B — ratio 1/200, output 7.5/9 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/200 | Output Speed: 7.5 rpm @50Hz / 9 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G250B | GGM K8G gearhead K8G250B — ratio 1/250, output 6/7.2 rpm (50/60Hz), □80mm | GGM | Type: Gearhead (Parallel Shaft) | Gear Ratio: 1/250 | Output Speed: 6 rpm @50Hz / 7.2 rpm @60Hz (4-pole AC input) | Max Permissible Torque: 8 N·m / 80 kgf·cm | ||
| K8G10BX | GGM K8G decimal gearhead K8G10BX — 1/10 sub-ratio, □80mm | GGM | Type: Decimal Gearhead | Gear Ratio: 1/10 (sub-ratio) | Max Permissible Torque: 8 N·m / 80 kgf·cm (6 N·m / 60 kgf·cm with 1/25–1/40 gearhead) | Note: Installed between motor and gearhead for ratios finer than 1/3 |
