Procurement of recirculating linear motion bearings thk make as per drawing no skp 117 8004 equivalent reputed make thk pmi detail in the specification sheet 1 set consisting of 2 rails and 4 blocks, as per stock no 2317124 schneeberger make model bms 30n g3 r1 877, as per stock no 231724 schneeberger make model bms 30n g3 r1 877 and other related items