SKF PHP 2-B50-SDS drive pulley

SKF PHP 2-B50-SDS is a reference of drive pulley, within Power transmission. Request a quote for PHP 2-B50-SDS via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The SKF pulley from the PHP line with SDS finish is a V-belt drive component that mounts on a taper bushing to be fixed to the shaft. It is used to transmit power between parallel shafts in machines and industrial installations, allowing precise drive ratios and a detachable mounting without hammering. It is a common solution in equipment that requires frequent maintenance or speed changes.

The designation of these pulleys is read from left to right: PHP identifies the SKF category of pulleys for V-belts; the first number indicates the number of grooves (for example, 1 for one belt); the letter B corresponds to the V-belt profile; the number that follows is the pitch diameter in inches or millimeters according to the catalogue; and SDS indicates the fixing system by means of a taper bushing. Thus, PHP 1-B46-SDS is a single-groove pulley for a B-profile belt with diameter 46 and SDS bushing. The examples in the series cover diameters from 46 to 60, with one or two grooves and SDS mounting.

These pulleys are used in fans, centrifugal pumps, compressors, conveyors and machine tools, among other applications. In the Argentine industrial environment they are common in food, textile, plastics and water treatment plants, where a reliable, low-maintenance drive is required. They also appear in refrigeration equipment and suction systems. Their design makes it easy to align and tension the belt, which reduces wear and unplanned downtime.

To correctly select a PHP B-SDS pulley, you must define the belt profile, the number of grooves, the pitch diameter and the bushing type according to the shaft diameter. Mounting with an SDS taper bushing requires cleaning the surfaces, checking that the shaft and the bore are free of burrs and applying the tightening torque recommended by the manufacturer. Alignment between pulleys must be checked with a straightedge or laser to avoid side loads. Lubrication does not apply to the pulley, but the condition of the belt and the proper tension do.

SKF V-belt pulleys can be interchanged with those of other manufacturers that share the same belt profile, pitch diameter and fixing system. However, not all taper bushings are compatible between brands, so the bushing standard and shaft dimensions must be verified. In general, interchangeability occurs within the same profile and diameter designation, but it is advisable to confirm the equivalence with the full part number before replacing an existing pulley.

If you need an SKF PHP B-SDS pulley for your equipment, send us the full part number or the shaft and belt dimensions via WhatsApp. At MR Accesorios Industriales we advise you so that you choose the correct pulley and bushing, and we provide a quote with no obligation.