Bosch Rexroth Guide Block R166521420, R1665

Guide Rail Runner Blocks with 2% Preload Short Series R1666 & R1665

Bosch Rexroth manufactures its guide rails and runner blocks with such high precision, especially in the ball track zone, that each individual component element can be replaced by another at any time.

High load capacity and rigidity in all directions
Excellent dynamic characteristics; Max speed 5 m/s and acceleration 500 m/s²
Lube ports with metal threads on all sides
2% Preload ensures high rigidity in all load directions
Internal lubrication system
Integral all round sealing
Limitless interchangeability between blocks and rails, regardless of accuracy and preload grades
Steel construction

Bosch Rexroth Ball Rail Systems