One, can be classified by sealing medium: gas seal with oil seal, fluid seal with oil seal, grease seal with oil seal;
Two, according to the sealing shape classification: rotating shaft (inner seal), rotating shell with oil seal (outer seal);
Three, can be classified according to its own structure: skeleton oil seal (mainly including exposed frame oil seal and inner skeleton oil seal), skeleton oil seal, compound oil seal;
Four, according to the classification of spring oil seal or no spring: spring type (ribbon spring or finger spring oil seal), no spring oil seal;
Five, according to the number of lip oil seal classification: single lip oil seal, lip oil seal (dust-proof lip oil seal or separate two kinds of lip oil seal, etc.);
Six, according to the rotating line speed classification: low speed (standard low line speed <8m/s), medium speed oil seal (standard line speed 8-17m/s), high speed oil seal (standard line speed >17m/s);
Seven, can be classified according to whether there is hydrodynamic oil return effect: ordinary smooth oil seal, lip with oil return line oil seal;
Eight, according to the oil seal medium pressure classification: low pressure oil seal, high pressure oil seal;
By CINDY
· Bearing design & application specialists
This article is prepared by the SINO BEARINGS (Sinoti Tech) engineering team, based on published bearing standards (ABEC / ISO P0–P2), material datasheets, and field application experience across industrial, food, medical and aerospace uses. For manufacturer background, certifications and facilities, see our About page.
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