Text version of the page 
Contents Contents
Construction and Features (see p.2) Maximum Travel Speed and Maximum
Four-way Equal Load RatingHigh PrecisionHigh RigiditySpace Saving Length (see p.15) Accuracy Standards (see p.16)
Repeat Positioning AccuracyBacklashPositioning AccuracyTravel Parallelism Models (see p.5)
KR-A (with one long nut block)
KR-B (with two long nut blocks)KR-C (with one short nut block)KR-D (with two short nut blocks) Outline Dimension Drawings (see p.18) Rated Load and Static Permissible Moment in Each Direction Seals/Options (see p.45) (see p.6)
Rated LoadEquivalent Load (LM guide)Permissible Moment (LM guide) Bellows Specification Tables (see p.47)
•Block type A•Block type B•Block type C•Block type D Life Span (see p.9) Sensors (see p.51)
LM GuideRated Life SpanLife SpanBall Screw and Supporting BearingRated Life SpanLife Spanf Sensors
Photosensors
Proximity SensorsSensor Rails Housing (see p.53)
c : contact factorf •For Model KR33•For Model KR46 •For Model KR55•For Model KR65 w : load factorK: moment equivalent factor (LM guide) Adapter Flanges (see p.55) Examples of Rated Life Span Calculations (see p.11)
Applicable Motors and Applicable Adapter Flanges ConditionsEvaluationsEvaluating the Rated Life Span of the LM GuideImposed load of the nut blockCombined radial and thrust loadStatic safety factorRated life spanEvaluating the Rated Life Span of the Ball ScrewAxial loadStatic safety factorBuckling loadPermissible tensile compressive load
Dangerous speed
DN valueRated life spanEvaluation of Rated Life Span of Supporting BearingAxial load (same as ball screw)Static safety factorRated life spanResult Dimensions of Adapter Flanges (see p.56)
•For Model KR15•For Model KR20•For Model KR26•For Model KR30H•For Model KR33•For Model KR45H•For Model KR46•For Model KR55•For Model KR65•Motor Wrap Type X-Y Bracket (see p.65)
The interpretation of model numbers is described in outline dimension drawings described in the following pages. 1