A linear guide device has a guide rail, a guide carriage having a rolling
element recirculating channel, at least one endless row of rolling
elements circulating in the rolling element recirculating channel and
guiding the guide carriage on and along the rail, wherein the rolling
element recirculating channel includes a load-bearing channel section and
turnaround channel sections which connect the load-bearing channel
section and a return channel section with each other, wherein the guide
carriage includes substantially in a longitudinal region in the
load-bearing channel section and the return channel section, a carriage
body, end piece units provided on axially opposed ends of the carriage
body, intermediate piece units located between the carriage body and the
endpiece units, a groove element provided in the return channel section,
which encloses rolling elements located in the return channel section
around at least a portion of their circumference, and wherein the groove
element is integrally formed in at least one of the intermediate-piece
units.