CCTwo Window-Type Steel Cages, Flangeless Inner Ring And Guide Ring Centered On The Inner Ring
C3Internal Clearance Larger Than Normal
W509Combination Of W94 (Inner Ring Lubrication Holes And Retainer Face Grooves) And W31 (Bearing Inspected To Certain Quality Control Requirements) And W33 (Lubrication Groove And Three Holes In Bearing Outer Ring) And Were Feasible
W45A(Tapped Lifting Holes In Face Of Outer Ring To Facilitate Lifting And Handling)