SKF SONL 228-528 K7 split plummer block housing

SKF SONL 228-528 K7 is a reference of split plummer block housing, within Bearing housings. Request a quote for SONL 228-528 K7 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The SKF SONL split plummer block housing is a locating component for bearings with a tapered bore, designed to be mounted on shafts and to house bearings of the series indicated by the part number, among others. Its two-piece construction makes mounting and dismounting easier without fully dismantling the shaft, which simplifies maintenance on industrial equipment. MR Accesorios Industriales sells this line, with technical advice to select the right variant for the application.

The SONL designation is read in parts: SONL identifies the category of split plummer block housings for bearings with a tapered seat; the first number (218, 228) indicates the size of the bearing it houses; the second number separated by a hyphen (518, 528) corresponds to the housing series; and the suffix K followed by a digit (K7) indicates design variants, such as the fastening type or the seal material. For example, SONL 218-518 K7 houses a bearing of the 218 series, while SONL 228-528 K7 corresponds to the 228 series. Knowing these codes is key to ordering the correct replacement.

These housings are used in equipment where the shaft must be supported precisely and allow some oscillation, such as belt conveyors, mills, mixers, centrifugal pumps and industrial fans. In Argentina, they are common in food, cement, mining and petrochemical plants, where robustness and ease of maintenance are critical. Their split design allows the bearing to be replaced without dismantling pulleys, couplings or other shaft components, reducing downtime.

To select the housing, check that the bearing to be mounted has a tapered bore and that its designation matches the one indicated in the SONL code. The K suffix defines the seal type: depending on the variant, it may include double-lip seals for dusty or humid environments. During mounting, ensure the two halves are aligned and the bolts are tightened evenly; proper bearing lubrication and control of internal clearance extend service life. If the equipment operates with vibration, consider additional fastening.

As for equivalents, other manufacturers offer split plummer block housings with similar dimensions, but they are not always directly interchangeable: check tolerances, seal type and bolt thread. The SKF SONL designation is a recognized reference, and alternatives with their own codes can be found on the local market. For replacements, the safest approach is to compare drawings or consult a specialist who can validate dimensional and functional compatibility before buying.

If you need a SONL housing for your equipment, send the complete code (for example, SONL 218-518 K7) by WhatsApp to MR Accesorios Industriales. Our technical team advises you on the correct variant according to the bearing and working conditions. We can also quote the associated bearing and seals, so you receive everything you need in a single inquiry.