High Rigidity RA/RB Series Roller Guides

RA/RB series roller guides are a pioneering union of NSK’s advanced roller bearing and linear guide technologies that deliver smooth motion with low vibration along with highly rigid, super-high machining capacity.

Design Features

Available in standard RA series and compact, low-profile RB series
High-rigidity, high-load design is standard
2 types of ball slides: square and flange type
2 lengths of ball slide: standard high load and long super-high load
Ball slides and rail manufactured with special high carbon steel
Highly dust-resistant V1 end and bottom seals available for RA series
Accuracy grades range from precision to ultra-precision
With slight preload and medium preload options
Accessories and extras including: K1 lubrication units, double seals, protector plates, rail caps and covers

Operating Benefits

High rigidity supports high-precision machining
High accuracy with low vibration ensures superior surface finish of machined parts
Dust-resistant V1 end and bottom seals achieve as much as twice the running distance under contamination
Long-term maintenance-free operation when equipped with K1 lubrication units
Interchangeable - rails and ball slides can be used in many combinations