TIMKEN DX121944Pin tapered roller bearing de doble hilera

TIMKEN DX121944Pin belongs to tapered roller bearing de doble hilera, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for DX121944Pin and any equivalents.

The TIMKEN TTHDFL series covers double row tapered roller bearings. Each unit carries two rows of tapered rollers on a single shaft position, so it takes radial loads and axial loads in both directions at once. Gearboxes, final drives and mining machinery are typical homes for this design, where rigidity and load capacity matter. MR Industrial Accessories supplies this line and helps you match the right configuration to your equipment.

Reading the code is the first step. A base code DX comes first, then a numeric series, then the suffix PIN, which ties the reference to the TTHDFL mounting and tolerance set. References such as DX121944Pin, DX175273Pin and DX948645Pin sit at different sizes inside the same family. The middle number is not a dimension; it points to the manufacturer's data sheet where sizes and capacities are listed. For a replacement, work from the full code plus the mounting dimensions.

These bearings show up in mining, cement, steel and agricultural machinery, where loads are heavy and conditions are rough. Gear reducers, mills, conveyor belts and earthmoving equipment are common hosts. Because the two rows handle radial and axial forces in both directions, shaft design gets simpler and the parts count drops.

Selection comes down to the radial and axial load the position must carry, the rotation speed and the surrounding environment. TTHDFL units normally include sealing to hold lubricant in and keep contaminants out, so confirm which seal type suits the site. Alignment must be precise at mounting, and axial clearance is set through the cones and cups. Follow the manufacturer's lubricant specification and renew it on the maintenance schedule.

Interchangeability deserves attention when you source a replacement. Main dimensions may line up between brands while tolerances and load capacities do not. Compare the full code and the technical data, not just the envelope. MR Industrial Accessories points you to the compatible alternative so the equipment keeps running.