Tapered roller bearing cup TIMKEN L521910D

TIMKEN L521910D is a tapered roller bearing cup reference, within Bearings. Request a quote for L521910D via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The TIMKEN L#D series tapered roller bearing cup is the removable outer raceway of a tapered bearing. It is press-fitted into the housing and forms, together with the cone, an assembly that withstands combined radial and axial loads. It is used in equipment where rotational precision and load capacity are critical, such as gearboxes, machine shafts and industrial transmissions. MR Accesorios Industriales supplies it in Buenos Aires, Argentina, with more than 80 years of experience in bearings and power transmission.

The designation L#D identifies a tapered roller cup according to TIMKEN nomenclature. The letter L indicates a light series, suitable for applications where radial space is limited. The suffix D indicates a construction variant within that series, which may correspond to a cup design with specific machining or tolerance characteristics. A concrete example is L521910D, where the central digits define the size and geometry of the raceway. To select the correct cup, it is essential that it matches the cone of the same basic number.

These cups are used in a wide variety of industries in Argentina. They are present in gearboxes, transmission shafts, road machinery rollers, milling equipment, presses and machinery for the food industry. They are also found in the mining and oil sectors and in cement production plants. Their ability to withstand combined loads makes them suitable for assemblies where the shaft must rotate with high rigidity and accuracy, even under demanding working conditions.

For correct assembly, the cup must be installed with a clean seat free of burrs, applying uniform force on the back face. It is essential to verify alignment between the cone and the cup, since angular misalignment reduces bearing service life. Proper lubrication, with grease or oil depending on the equipment, and effective sealing to prevent contamination are key factors. Axial clearance is adjusted according to the equipment manufacturer's specifications and must be checked with measuring instruments.

Regarding equivalences, tapered roller cups are identified by the basic number they share with the cone. Other brands may offer products with similar designations, but it is important to verify dimensions and tolerances before interchanging. TIMKEN is an official brand that MR supplies, and we can advise you on compatibility with other references. If you need a cup for an existing cone, the safest approach is to provide both codes to ensure the correct fit.

If you are looking for a TIMKEN L#D series tapered roller cup, write to us on WhatsApp with the code or model you need. At MR Accesorios Industriales we will quote it promptly and indicate the compatible alternative if applicable. With more than 80 years in the market, we back every inquiry with technical knowledge and personalized attention.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.