SKF PCM 040510 E/VB055 friction bushing

SKF PCM 040510 E/VB055 belongs to friction bushing, part of our Bushings and sleeves range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for PCM 040510 E/VB055 and any equivalents.

SKF PCM E/VB bushings are thin-walled, self-lubricating components made up of a metal backing plus a sliding layer of PTFE and bronze. They suit radial applications where oscillating or rotating motion occurs under high load and low speed, and where a constant supply of lubricant is not practical. Because the wall is thin, the bushing fits into restricted spaces and can take the place of bronze bushings or bearings at points where maintenance should be kept to a minimum.

Reading the code helps you order the right size. PCM is the SKF friction bushing family. The digits that follow describe the main dimensions, given in groups of two figures: bore, outer diameter and width. The letter E marks the standard version, and VB identifies a design variant, usually tied to the sealing arrangement or to how the sliding layer is composed. Take PCM 040506 E/VB055 and PCM 040510 E/VB055: bore and outer diameter match, while the width differs, so the choice depends on the space available and the load the joint has to carry.

Typical fields of use include automotive, metalworking, food processing and road machinery. The bushings show up in hydraulic cylinder joints, camshafts, gate hinges, packaging equipment and steering mechanisms. Dust and skipped lubrication are what wear out conventional bushings in agricultural machinery repair, and that is exactly where a self-lubricating design pays off, including at points that are hard to reach with a grease gun.

Selection comes down to three inputs: radial load, sliding speed and operating temperature. During assembly the bushing is pressed into the housing, and the bore may then need to be calibrated. Shaft-to-housing alignment has to be correct, otherwise wear starts early. A film of oil or grease can still be useful in severe duty even though the bushing lubricates itself. Check that the shaft surface is ground and hard enough for the application.

On interchangeability: SKF PCM bushings can be replaced by parts from other makers that carry the same dimensional designation, PAP or PCM among them. Suffixes do not always line up when it comes to composition or tolerances, so compare the data sheet of the original part with that of the candidate replacement before committing. MR supplies SKF as a brand and can point you to a suitable equivalent reference.