ISO 13012-1:2009 specifies the boundary dimensions, other relevant dimensions and their tolerances of accessories for sleeve type linear ball bearings which are specified in ISO 10285.ISO 13012-1:2009 applies to: housings — closed and adjustable flangeless housings for series 1 sleeve type linear ball bearings, closed and adjustable flanged housings for series 3 sleeve type linear ball bearings, open flanged housings for series 3 sleeve type linear ball bearings, closed and adjustable flangeless housings for series 3 sleeve type linear ball bearings, open and open adjustable flangeless housings for series 3 sleeve type linear ball bearings; shaft support rails — standard height shaft support rails for series 3 sleeve type linear ball bearings, low height shaft support rails for series 3 sleeve type linear ball bearings; shaft support blocks — flanged shaft support blocks for series 1 and 3 sleeve type linear ball bearings, flangeless shaft support blocks for series 1 and 3 sleeve type linear ball bearings; shafts — solid and tubular shafts for series 1 and 3 sleeve type linear ball bearings.