This question was closed without grading. Reason: Answer found elsewhere
Apr 5 09:19
1 mo ago
7 viewers *
English term
Netherlands
Have lived 3 years in US/England
Native in: Danish 
Works in: English to Danish, Dutch to Danish, Swedish to Danish, and 1 more.
Rigid bearing
English to Danish
Tech/Engineering
Mechanics / Mech Engineering
Transport system
All wheels on the trolley have a steel rim equipped with rigid anti-friction ball bearings and the wheels are made of semi-conducting polyurethane and can be driven on ordinary concrete floors.