Sprockets and gears SKF PHS 20B-3C57

SKF PHS 20B-3C57 is a sprockets and gears reference, within Power transmission. Request a quote for PHS 20B-3C57 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

SKF PHS series sprockets and chain wheels are power transmission components that are mounted on shafts to mesh with roller chains. They are used to transmit motion and torque in a wide variety of industrial machines, from conveyors to process equipment. Their design and material are intended to withstand moderate to high loads and speeds typical of chain drives. MR Accesorios Industriales offers this line as part of its power transmission range.

The designation of SKF PHS series sprockets is read from left to right. For example, in PHS 10B-3C76, PHS identifies the family of chain sprockets; 10B indicates the pitch and chain type according to ISO 606 standard (pitch 5/8"); -3 indicates the number of single, double or triple strands; C refers to the hub type or configuration; and 76 is the number of teeth. Thus, PHS 12B-2C68 corresponds to a sprocket for 12B chain (pitch 3/4"), double-strand, with 68 teeth. Suffixes may vary depending on the mounting, but the final number always indicates the teeth.

These sprockets are used in chain drives of industrial machines: belt and roller conveyors, elevators, mixers, mills, food and beverage equipment, and packaging lines. In Argentina they are common in the metallurgical, cement, sugar and processing plant industries. They are also found in the agricultural sector, in implements and harvesting machinery. The PHS series covers a range of pitches and numbers of teeth that allows adjusting the transmission ratio and output speed according to the application.

To correctly select a PHS sprocket, take into account the chain pitch, number of strands, number of teeth and shaft diameter. Verify that the hub and fastening system are compatible with the available mounting. Proper lubrication and alignment between sprocket and chain are key to avoiding premature wear and noise. If the environment has dust or moisture, evaluate specific protections or lubricants. The mounting must ensure that the sprocket is perpendicular to the shaft and without excessive axial play.

As for equivalences, SKF PHS series sprockets follow international dimensional standards for roller chains, so they can be interchanged with other manufacturers that comply with the same specifications for pitch, number of teeth and shaft diameter. It is always advisable to verify the complete code and critical dimensions before replacing a component. Interchangeability between brands depends on compliance with manufacturing standards and tolerances. To ensure compatibility, compare hub dimensions, outside diameter and bore.

If you need to request a quote for an SKF PHS series sprocket or chain wheel, send us the complete code by WhatsApp at MR Accesorios Industriales. With more than 80 years in the market, we advise you so you can find the right component for your drive. We can also help you interpret the designation if you have questions about the pitch, number of strands or teeth. Write to us and we will reply shortly.

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