FAG 23956-K-MB spherical roller bearing

FAG 23956-K-MB is a reference of spherical roller bearing, within Bearings. Request a quote for 23956-K-MB via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The spherical roller bearing is a two-row self-aligning bearing: the outer raceway is spherical and the inner assembly can tilt relative to the shaft, so it accommodates misalignment and shaft deflection without losing load capacity. This FAG family with K and MB suffixes is used in heavy equipment, where exact alignment between supports is not always achieved and loads are high.

The designation is read in parts. The initial number indicates the dimension series: series 238, 239 and 230 group thin-section, large-diameter bearings, and the number after the slash is the bore diameter in millimeters, as in 239/500-K-MB or 230/1000-K-MB. The letter K indicates tapered bore, and the MB suffix corresponds to the solid brass cage guided by the inner ring. In the examples 238/600-K-MB and 238/850-K-MB this structure is repeated: series, bore size, taper and cage.

These bearings appear in applications where the shaft works with combined loads and some deflection: gearboxes and gear units, mills and crushers, paper machines, large industrial fans, cranes and material handling equipment. In Argentina they are found in cement, steel, oilseed and mining plants, and in the oil & gas sector. In all these cases, mounting on a tapered shaft or on an adapter sleeve simplifies assembly and allows internal clearance to be adjusted.

To select, start from the bore diameter and the series that provides the required load capacity; the K taper requires an adapter sleeve or tapered shaft and a controlled fit. Define the sealing according to the environment: dust, water or abundant lubricant change the choice. Lubrication can be grease or oil, and internal clearance is set during mounting. Alignment between supports and correct seating of the spherical outer ring are key for the bearing to work as self-aligning and not as rigid.

Between brands, a spherical roller bearing is identified by its dimensional designation and by the taper and cage suffixes; different manufacturers use their own letters for the same thing. Interchangeability is resolved by comparing series, bore diameter, bore type and cage design, not just the number. If you have the part number stamped on the bearing or on the equipment drawing, that is the most reliable data to request the replacement.

If you need a quote for a FAG spherical roller bearing of this family, send the full part number via WhatsApp to MR Accesorios Industriales, with the designation as it appears on the equipment. With that data we verify the series, bore type and cage, and respond promptly.