This part of ISO 13012 specifies the boundary dimensions, other relevant dimensions and their tolerances of accessories for sleeve type linear ball bearings which are specified in ISO 10285. This part of ISO 13012 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.