KF=Plastic Springs. R=Partially Knurled Outer Ring For Assembly In Plastic Housing. A=The Significance Of This Sign Is Not Determined Separately. They Are In Need For Appointment Of Special Features Of The Construction Of Internal Form External Uses.
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Drawn cup roller clutches HF..-KF-R, with plastic springs and knurled outer ring