
KHK MSGA / MSGB Ground Spur Gears
Looking for ground spur gears?
KHK MSGA / MSGB is part of the KHK standard gear range. Carburized and ground teeth for precise transmission.
What should I check when choosing this series?
Material: SCM415 alloy steel.
Module / pitch options: 1, 1.5, 2, 2.5, 3, 4.
Teeth across the listed models: 15–100.
Outside diameter across the listed models: 20–208 mm.
Examples from the model range
| Model | Module / pitch | Teeth | Outside diameter (mm) |
|---|---|---|---|
| MSGA1-18 | 1 | 18 | 20 |
| MSGA1.5-20 | 1.5 | 20 | 33 |
| MSGA2-25 | 2 | 25 | 54 |
| MSGB3-20 | 3 | 20 | 66 |
| MSGB4-50 | 4 | 50 | 208 |
Which models are included?
MSGA1-18, MSGA1-20, MSGB1-20, MSGB1-24, MSGA1-25, MSGB1-25, MSGA1-30, MSGB1-30, MSGB1-40, MSGA1-48, MSGB1-48, MSGA1-50, MSGB1-60, MSGA1-70, MSGA1-80, MSGA1-100, MSGA1.5-15, MSGA1.5-18, MSGB1.5-18, MSGA1.5-20, MSGB1.5-20, MSGB1.5-24, MSGB1.5-25, MSGB1.5-30, MSGB1.5-36, MSGA1.5-40, MSGA1.5-50, MSGB1.5-50, MSGB1.5-60, MSGA1.5-70, MSGA1.5-80, MSGB1.5-80, MSGA1.5-100, MSGB2-15, MSGA2-18, MSGB2-18, MSGA2-20, MSGB2-20, MSGB2-24, MSGA2-25, MSGB2-25, MSGB2-30, MSGA2-35, MSGA2-40, MSGB2-40, MSGA2-60, MSGA2.5-15, MSGB2.5-15, MSGB2.5-20, MSGB2.5-24, MSGB2.5-25, MSGB2.5-36, MSGA2.5-40, MSGB2.5-40, MSGA2.5-55, MSGB2.5-60, MSGA2.5-70, MSGA3-15, MSGB3-15, MSGB3-20, MSGB3-25, MSGA3-30, MSGB3-30, MSGA3-40, MSGB3-40, MSGA3-45, MSGA3-60, MSGB4-15, MSGA4-20, MSGB4-20, MSGA4-24, MSGA4-25, MSGB4-25, MSGA4-30, MSGB4-30, MSGA4-40, MSGB4-40, MSGB4-45, MSGB4-50
How do I select the correct gear?
Start with the module or circular pitch and number of teeth, then confirm the mating gear or rack, shaft bore, mounting dimensions and required load capacity. Dimensions and ratings vary by model. Check the individual drawing and operating conditions before ordering.










