KHS LR 52 ,LR 53 series track roller bearings are double row track roller bearings with thick-walled outer ring and without filling slot suitable for taking thrust loads in both directions .KHS LR 2 series track roller bearings are based on the radial ball bearing series 62.. but with thick walled outer ring .Bearings with crowned outside surface have the suffix “U”.LR..KDD(U) are sealed on both sides with sealing shields ,LR..NPP(U) are sealed on both sides with contact seals .(series includes LR..2 NPP / NPPU ,LR ..52 KDD/KDDU,LR..53 KDD/KDDU..etc.)

LR 2..NPPU & LR 2.. NPP Series  |  LR 52..KDDU & LR 52.. KDD Series