Maintenance-free and durable thanks to special coating

Also interesting for the timber industry

Large printers are an example of the application of self-lubricating plain bearings. © PBC Linear Europe/Rodriguez

The self-lubricating plain bearing from Rodriguez is a precision plain bearing made of aluminum alloy AlMg1 SiCu with Frelon coating. It is significantly more efficient than other bearings. The Frelon in the top sliding layer is a composite material made of Teflon and fillers, which is deposited for the first time in the so-called running-in phase in a microscopic film on the mating surface or shaft. It adapts to the recesses in the surface and creates a Frelon on Frelon running condition, which ensures permanent lubrication and reduces friction. the first transmission process is completed after 50 - 100 strokes in continuous operation.

"In principle, the self-lubricating plain bearings can be used wherever fine dust occurs, for example in paper and wood processing, but also where no lubricant may generally be used or where a rolling bearing cannot be used due to dirt, temperature or the need for lubrication," explains Timo Hermann, Branch Manager for Southern Germany and Product Manager for Linear Technology and Precision Bearings at Rodriguez. In the woodworking industry, the plain bearings are usually used in aluminum housings on hardened precision steel shafts, which are also available from Rodriguez. Rodriguez offers the rust and corrosion-resistant bearings in open and closed form. To avoid distortion and rattling during operation, the bearings are available with a "crown" on the outer ring, which enables angular misalignment compensation of 1°. The bearing housings are also available in stainless steel.

The bearings are available in standard sizes (5 mm to 100 mm diameter) and thin-walled compact sizes (6 mm to 50 mm diameter). Due to their compact design, the plain bearings require little space. They are comparatively light, yet wear-resistant and highly resilient and suitable for both very high and very low temperatures. For extremely high temperatures, which are associated with a higher running clearance, Rodriguez recommends the bearing variant with a compensating inner diameter (FMC variant) All plain bearings are also available in inch dimensions, comply with ISO standard 8015 and offer the precision that Rodriguez is known for: all critical surfaces have been ground on precision grinding machines for bearings.

Delivery made to measure

Rodriguez also supplies the plain bearings as an assembly together with the housing and shaft, including machining to drawing. In principle, Rodriguez is prepared to manufacture a special bearing from any standard bearing. Solutions beyond the standard, the Value Added Products (VAP), are part of the Rodriguez program: "With regard to special solutions, I see our strength in the integration of modification parts into the bearing, where we can respond individually to the customer's geometry," emphasizes Product Manager Timo Hermann, "This customer or application-oriented modification can be, for example, an adapted length. Rodriguez also benefits from short response times and short-term availability of components as well as competent technical advice on site.

EMO, Hall 6, Stand H01