Radial shaft seal DBH 9735Pol — 57.00 x 85.00 x 12.00

DBH 9735Pol is a radial shaft seal reference, within Seals. Request a quote for 9735Pol via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The DBH 9735Pol radial shaft seal is a lip seal mounted between a rotating shaft and its housing to retain lubricant and stop the entry of dust, water or particles. Its dimensions are 57 mm shaft, 85 mm housing and 12 mm height, with Mz-Bidi design. It is used in gearboxes, pumps, electric motors and transmission equipment where there is continuous rotation and contact with a dirty environment.

This item is a DBH radial shaft seal identified as 9735Pol. The commercial designation corresponds to the 9735 series and the Pol suffix indicates the compound variant. The published values are: shaft diameter 57 mm, housing diameter 85 mm and height 12.00 mm. The design is Mz-Bidi, that is, a double-lip profile that works under pressure in both directions and improves sealing on shafts with reversible rotation or with lubrication from both sides. The 12 mm height defines the housing width required for installation.

Typical applications for a seal of this size are in equipment with a 57 mm shaft: gearboxes, speed reducers, centrifugal pumps, electric motors, conveyor rollers and machine tools. In all these cases the seal serves two functions: preventing oil or grease from leaking to the outside and blocking contaminants from entering the bearing or gear. The Mz-Bidi design is useful when the shaft can rotate in both directions or when there is a pressure difference between the lubricated side and the environment.

To select correctly, verify that the shaft diameter is within the tolerance recommended for radial shaft seals and that the housing has the diameter and depth corresponding to 85 mm and 12 mm. The shaft surface must be ground and free of grooves that could damage the lip. Before installing, lubricate the lip with the same grease or oil used in the equipment and use an installation tool that presses on the outer edge, never on the lip. If the shaft shows wear, consider a nearby size or a repair sleeve.

If you need an equivalent or a nearby size, the most practical approach is to send us the full part number 9735Pol along with the shaft, housing and height dimensions. With that data we can search the DBH line or other brands we carry for a seal with the same Mz-Bidi profile or a compatible design. We can also advise you if the housing accepts a different height or if it is better to move to a seal with an additional lip for greater dust protection.

MR Accesorios Industriales carries the DBH brand as an official brand. If you have questions about installation or want to confirm that this seal is the right one for your equipment, write to us on WhatsApp with part number 9735Pol and the shaft and housing dimensions. We will reply with the quote and the available alternatives.