looking at support bearings for ballscrews also
got a quote from uk INA Bearing distributor for ZKLR2062rs offer @£61.47
ex UK BRT Bearings Ltd
link showing bearing
http://medias.ina.de/medias/en!hp.ec.br.
pr/ZKLR...2RS*ZKLR%202060.2RS;ab-hqJIn8wCe?clrsb=1
still not sure what way to go .