Precision gear racks and pinions — ground to DIN quality 5
Helical and straight racks in module 1.5 to 10, ground and induction hardened or milled, with matching pinions and installation gauges. Direct equivalents for Güdel, Atlanta, GAM and other major brands.
Download the RackPro catalog (PDF, 26 pages) · Overview brochure (PDF)
One supplier for the whole axis
Ground helical racks
19°31'42" helix, C45 induction hardened HRC 50–55, ground teeth and surfaces. DIN Q5–Q7.
Straight racks
Ground and milled straight-tooth racks for lifting axes, gantries and handling.
Milled racks
Induction hardened, quenched & tempered or soft — DIN Q8–Q10 for cost-effective linear axes.
Pinions & gauges
Ground 16CrMo4 case-hardened pinions (Q5), milled C45 pinions, flanged pinions and installation gauges.
A grade for every axis
Ground racks (DIN quality 5–7) are CNC ground on dedicated rack grinders with induction-hardened teeth. Milled racks cover quality 8–10 for handling, lifting and long-travel axes.
- DIN 3962/3967 quality classes 5 through 10
- Ground racks and milled Q10 racks: teeth induction hardened, HRC 50–55
- Milled Q8 racks: quenched and tempered; milled Q9 and Q10 soft racks: not heat treated
- Standard lengths 500, 1000, 1500 and 2000 mm; matched ends for continuous axes
- Mounting holes and pinning on standard pitch
Find a RackPro rack
| RackPro part | Tooth | Finish | Module | DIN Q | Length (mm) | Weight (kg) |
|---|
Not sure which module? Size it from your load, speed and acceleration · Pinions and installation gauges: see pinions · Part numbers read like the spec: RP-HR-G-M2-Q5-1000 = helical rack, ground, module 2, quality 5, 1000 mm.
Engineering guides
Practical articles from our engineers on specifying, installing and maintaining these parts.
How to Size a Rack and Pinion Drive: Force, Factors and Module
A step-by-step guide to sizing a rack and pinion drive: the tangential force on the pinion, the service factors that apply, the reversing-lo
Read the guide →Custom Gears 101: Gear Types, How They Are Made and When Custom Makes Sense
The main gear types and where each is used, how custom gears are manufactured, and when a gear made to your print beats a standard catalog g
Read the guide →Pinions Should Never Be an Afterthought: Matching the Pinion to a Geared Slewing Ring
Why the pinion should be specified with the geared slewing ring, the bore and mounting types to choose from, and what has to match for the g
Read the guide →Optimizing Industrial Automation with Precision Gearing Solutions
Optimize industrial automation with custom gears. Boost efficiency and precision in production lines, packaging systems, and robotics with t
Read the guide →Talk to an engineer
Tell us the rack you use today — Güdel, Atlanta, GAM or another brand — and we will match it and quote it.
Not in the catalog? We design to your application, with no engineering charge.