DBH 1221/85 radial shaft seal — 22 x 48 x 7/10.7

DBH 1221/85 belongs to radial shaft seal, part of our Seals range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 1221/85 and any equivalents.

When a rotating shaft leaves a housing, the DBH 1221/85 seal keeps oil and grease where they belong and keeps dust, water and particles out. It is a single-lip radial seal with a metal body and design A 120, sized for a 22 mm shaft and a 48 mm housing bore. The stepped 7.00/10.70 mm height lets it sit in a shouldered chamber and stay firmly in place without distorting the lip.

The code breaks down as follows. DBH is the seal family, 1221/85 identifies the item, and A 120 describes the design: a sealing lip on a metal body, with the height split into two sections. Shaft diameter is 22 mm, housing diameter 48 mm, and overall height 7.00/10.70 mm, meaning 7.00 mm of seating and 10.70 mm total. That stepped profile suits chambers with a shoulder and adds axial retention. The lip rides on the shaft with light interference to hold the seal.

You will find this seal on equipment built around a 22 mm shaft that must be closed off against lubricant loss. Gearboxes, centrifugal pumps, electric motors, fans, mixers and machine tools are common hosts, as are chain and belt drives where the output shaft passes through a cover. In each case it draws the line between the lubricated side and the outside world, so oil stays in and contaminants that would wear bearings and gears stay out.

Fitting calls for a clean shaft with no burrs or marks, and a sealing surface with the right hardness and finish. Coat the lip with lubricant before pressing the seal in, keep it square to the shaft and never strike the lip. On a shouldered housing, the 7.00/10.70 mm height tells you how deep it seats. When matching a replacement, check shaft, housing and height together along with the design type; even a few tenths of a millimeter on the shaft can keep the lip from sealing.

For an equivalent to 1221/85, send the full part number, the three dimensions and a photo or sample of the old seal. That lets us search the DBH line and other compatible options, and flag anything worth checking if the housing is shouldered or the shaft shows wear. More detail up front means a faster match. Contact us on WhatsApp or by email for a quote.