Models SSR-XW and SSR-XWM W B Outer dimensions Model No. Height Width Length Grease nipple Note) The M in the model number symbol indicates that the LM block, LM rail and balls are made of stainless steel. The stainless steel provides excellent corrosion and environmental resistance. Model number coding Stainless steel Symbol for No. of rails LM rail used Applied to only Symbol for LM rail on the same plane (*4) jointed use Radial clearance symbol (*2) 15 and 25 Normal (No symbol) Accuracy symbol (*3) Light preload (C1) Normal grade (No Symbol) High accuracy grade (H)/Precision grade (P) Super precision grade (SP)/Ultra precision grade (UP) With QZ Contamination lubricator protection accessory symbol (*1) No. of LM blocks used on the same rail Stainless steel LM block (*1) See contamination protection accessory on A1-516. (*2) See A1-71. (*3) See A1-77. (*4) See A1-13. Note) This model number indicates that a single-rail unit constitutes one set. (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum.) Those models equipped with QZ Lubricator cannot have a grease nipple. When desiring a grease nipple for a model attached with QZ, contact THK. Download data by searching for the corresponding model number on the Technical Support site.

LM rail dimensions Width Basic load rating Static permissible moment kN•m＊ Height Pitch 1 Double 1 Double 1 block blocks block blocks block Note1) The maximum length under “Length＊” indicates the standard maximum length of an LM rail. (See A1-116.) Static permissible moment＊ 1 block: the static permissible moment with one LM block Double blocks: static permissible moment when two LM blocks are in close contact with each other Total block length L : The total block length L shown in the table is the length with the dust proof parts, code UU or SS. If other contamination protection accessories...