Looking for the hardened KRGF rack family? These models are listed separately from the thermal refined KRG range.
Customer: Which family should I specify?
KAYO: Use the complete model designation to identify the module and rack format. Confirm the mating pinion and mounting geometry from the manufacturer drawings.
Customer: Which models and sizes are shown?
KAYO: The current Japanese selection table lists 16 model codes for this group. Module values: 1.5, 2, 2.5, 3. Representative dimensions are shown below, followed by the complete model list.
| Model | Module | Overall length (mm) | Face width (mm) | Mass (kg) |
|---|---|---|---|---|
| KRGF1.5-500H | 1.5 | 499.51 | 15 | 1.09 |
| KRGF2.5-500H | 2.5 | 502.65 | 25 | 2.71 |
| KRGFD1.5-500HJ | 1.5 | 499.51 | 15 | 1.07 |
| KRGFD2.5-500HJ | 2.5 | 502.65 | 25 | 2.64 |
| KRGFD3-1000HJ | 3 | 999.03 | 30 | 7.32 |
Customer: What should I check before installation?
KAYO: Keep the H suffix in the requested code and compare the exact model ratings. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.
Customer: What are the exact model numbers?
KAYO: KRGF1.5-500H, KRGF1.5-1000H, KRGF2-500H, KRGF2-1000H, KRGF2.5-500H, KRGF2.5-1000H, KRGF3-500H, KRGF3-1000H, KRGFD1.5-500HJ, KRGFD1.5-1000HJ, KRGFD2-500HJ, KRGFD2-1000HJ, KRGFD2.5-500HJ, KRGFD2.5-1000HJ, KRGFD3-500HJ, KRGFD3-1000HJ.
Customer: What should I send for an enquiry?
KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.
References: KHK KRGF-H / KRGFD-H official selection page | KHK rack product range.