FAG 1219-K-M-C3 self-aligning ball bearing

FAG 1219-K-M-C3 is a reference of self-aligning ball bearing, within Bearings. Request a quote for 1219-K-M-C3 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The FAG self-aligning ball bearing is a self-aligning bearing with two rows of balls, designed to withstand radial and axial loads in both directions. Its spherical outer raceway allows the inner ring to tilt and self-align, compensating for shaft misalignment relative to the housing. It is used in equipment where perfect alignment cannot be guaranteed, such as fans, pumps, conveyors and agricultural machinery. MR Accesorios Industriales supplies this FAG line in Buenos Aires, Argentina.

The designation of these bearings is read in blocks. The base number indicates the series and the size: for example, 1219 corresponds to series 12, and 1315 to series 13, which differ in their load capacity and dimensions. The letter K indicates that the bearing has a tapered bore, which facilitates mounting on tapered shafts or on adapter sleeves. The letter M indicates that the cage is machined solid brass, suitable for higher demands. The suffix C3 defines an internal clearance greater than normal, recommended for tight-fit mountings or elevated temperatures. Thus, a part number such as 1219-K-M-C3 combines series, size, taper, cage and clearance.

These bearings are used in equipment where the shaft may flex or become misaligned during operation. In Argentine industry they are found in centrifugal fans, centrifugal pumps, belt conveyors, vibrating screens, mixers and agricultural machinery such as seeders and harvesters. They also appear in large electric motors and in gearboxes operating with moderate loads. Their self-aligning capability reduces the risk of premature failure when the base is not perfectly rigid or when mounting does not achieve exact alignment between supports.

To select correctly, take into account the radial and axial load the equipment must withstand, the rotation speed and the environmental conditions. The tapered bore with suffix K requires an adapter sleeve or a tapered shaft; mounting must be done with the appropriate internal clearance, which in this case is C3. Lubrication can be with grease or oil, depending on the application and the speed. It is essential to verify the initial alignment and the clearance after mounting, since excessive tightness can damage the balls and raceways. The brass cage M provides strength and heat dissipation.

Regarding equivalences, self-aligning ball bearings are manufactured under international standards that allow brands to be interchanged while maintaining similar dimensions and capacities. However, each manufacturer may have variants in cage, clearance and tolerances. When requesting a quote, it is advisable to indicate the complete part number, including the suffixes, to ensure the correct part. If you cannot find the exact part number, ask us on WhatsApp and we will help you identify the right option.

To move forward with the quote, send the complete bearing part number by WhatsApp to MR Accesorios Industriales. If you have doubts about the designation or need a specific variant, write to us with the model or the shaft and housing dimensions. We will reply shortly with the information you need for your equipment.