RIM COLLAR

RIM COLLAR 5112 2118 07 is usually found doing the dirty work, keeping things aligned. Think of it like a steady hand for a piston rod or a shaft, making sure it doesn't wobble around inside its bore. It’s there to take the side load and keep everything tracking straight, which is pretty critical when you’ve got a lot of force going through that system, whether it’s in a feed cylinder or some other moving assembly.

When this collar starts getting tired, you’ll definitely notice things getting sloppy. The first real giveaway is often a bit of play you can feel, or sometimes hear, like a knocking or clunking sound as the piston or shaft moves. It’s not just annoying; that extra movement starts chewing up seals, bearings, or even the cylinder bore itself because things aren't running true anymore. You might also see increased heat in that area, or even some hydraulic drift if it's part of a cylinder that's supposed to hold position.

Replacing this collar isn't usually a huge job, but it’s one of those parts where you really want to check the mating surfaces it rides against. Make sure there aren't any burrs or scoring on the shaft or bore that’ll just eat up the new collar right away. And don't forget to give it a good coat of grease or the appropriate assembly lube during installation, even if it's a dry-running material. A lot of guys just slap it in, but that initial lubrication can make a big difference in how long the new one lasts.