Overview

Class Rack Type Quality
Total pitch 
error 
( ±µm/m)
Applications
Helical 
Toothed
Straight 
Toothed
Ultra-High 
Precision Rack 
( UHPR)
hardened   
ground
3 12
High precision machine tools 
with electrical pre-load
Series 48 Series 46
case hardened 
ground
5 26
Machine tools 
Lifting axes 
Multiple pinion contact
Series 29 Series 28
High 
Precision 
( HPR)
hardened 
ground
6 36
Wood working machines 
Plastic working machines 
Aluminium working machines 
Machine tools, water cutting machines 
Plasma cutting machines

Series 29

Series 29

Series 28

Series 28

7 52
Wood working machines 
Linear axes with high requirement for 
smooth running
Series 29 Series 28
Precision 
Rack 
( PR)
hardened 
ground
8 60
Portals 
Handling 
Linear axes
Series 39 Series 34
milled  
quenched + 
tempered
8 100 Series 38 Series 33
Basic 
Rack 
( BR)
milled 9 150
Linear axes with low load  
Feed units for adjustment 
Lifting axes, handling, welding robots
Series 47 Series 25
hardened 10 200 Series 39 Series 34

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