SKF PCM 556030 M friction bushing

SKF PCM 556030 M 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 556030 M and any equivalents.

SKF PCM M plain bearings are thin-walled, self-lubricating bushings. A steel backing supports a sintered bronze layer, topped with a PTFE and lead mixture. They handle radial loads in oscillating, rotating or sliding movements where a continuous lubricant supply is not practical. Their slim profile fits tight spaces and lets them replace solid bushings that have lower load capacity.

In the PCM designation, the letters indicate a plain bearing with a metal backing and a sliding layer. The digits that follow give the basic dimensions in millimeters. Take PCM 081012 M: the first pair is the inside diameter, the second pair the outside diameter, and the last pair the width. The M suffix denotes the standard version with a PTFE and lead layer. The same pattern applies to PCM 101215 M and PCM 121420 M. Always check the full code to confirm the size.

These bearings appear in many industrial settings: presses, machine tools, hydraulic and pneumatic cylinders, cranes, elevators, material handling equipment and agricultural machinery. They also serve in automotive and heavy transport uses that call for wear resistance and low friction with minimal maintenance. They suit joints, pins and shafts that rotate at moderate speeds and carry radial loads in reciprocating motion.

When selecting a bearing, consider the radial load, sliding speed and operating temperature. The PCM M series takes higher loads than plastic bushings, but it is not made for high speeds or continuous high-speed rotation. Keep the shaft and housing clean and free of burrs during mounting. A slight interference fit in the housing and proper diametral clearance on the shaft are recommended. Initial lubrication is not needed, though in very contaminated environments you can seal the assembly to extend service life.

Steel-backed plain bearings with a PTFE layer go by different names depending on the manufacturer. There is no universal nomenclature, so interchangeability means comparing dimensions, tolerances and load capacity. SKF is a brand that MR carries, and its products maintain recognized quality standards. To replace an existing bushing, start with the actual housing and shaft measurements and compare them with the manufacturer's table.

MR Industrial Accessories supplies the SKF PCM M plain bearing line and can help you select the right part for your application. If you have the bushing code or the shaft and housing measurements, send them via WhatsApp or email and we will provide a quote promptly.