COLLAR 5375226 - Caterpillar

Illustration 1 g01296028
Track roller (double flange) (1) End collar (2) Bolt (3) Rim (4) Shaft (5) Stopper (6) Center passage (7) Bushing (8) Duo-Cone sealSingle flange track rollers and double flange track rollers are located on each side of the machine. The track rollers are fastened to the bottom section of the track roller frame.The track rollers are in contact with the rails on the track links. The flanges on the track rollers prevent the lateral movement of the track links.Bushing (7) puts the side load on the roller. The amount of lateral movement or end clearance of the shaft cannot be adjusted.Duo-Cone seals (8) are attached to both of the ends of shaft (4) .Track Roller Lubrication
The roller is lubricated with the oil in center passage (6) .Oil is added through shaft (4) at stopper (5). The oil is forced through center passage (6) to the lubrication holes in shaft (4). Duo-Cone seals (8) seal oil in the roller at each end.Refer to Systems Operation, "Undercarriage" for information about the arrangements of the track rollers.