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Protective Bellows are available on select models. For applications challenged by dirt or other harsh conditions, consider protecting valuable RoundRail guides and carriage bearings with collapsible bellows.
Thomson offers more than just bellows accessories for RoundRail linear guides. Please contact us for a variety of standard and custom accessories and options for the entire line of Thomson linear guides.
Single race linear guide products
These units have a single 60 Case shaft along with a pre-installed single or twin bearing option for easy installation
Dual-shaft, 4-bearing linear guide products
These units have two pre-aligned 60 Case shafts and a 4-bearing carriage for maximum (multidirectional) loading characteristics with minimal shaft deflection
The overall length of the Roundrail assembly.
The carriage type of the Roundrail assembly.
The nominal diameter of the shaft(s).
The maximum dynamic load of the Roundrail assembly.
Standard
One single round shaft
Dual Shaft
2 parallel shafts connected by an aluminum extrusion
Example:

Twin Shaft Web
2 Parallel shafts connected by a steel web.
Example:

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