Home > categories > Mechanical Parts & Fabrication Services > Roller Bearings > What does taper roller bearing "EK" mean?
Question:

What does taper roller bearing "EK" mean?

What does taper roller bearing "EK" mean?

Answer:

Represents the size of the chamferInch tapered roller bearing
Should be the suffix bar, it is recommended to write the full model, prefix and suffix is not the same
E is the code of the bearing accuracy level (accuracy from low to high: G, E, D, C), G is the ordinary level, not marked.K is the bearing supplement code. In the bearing parts of the material, structural design, technical conditions change, in the basic code to the right side of the mark complement code.Note: the annotation of the above code is the content of the old national standard.
E refers to the type design, K refers to the inner diameter of cone bearing strengthening, the taper of 1:12.The tapered roller bearings belong to separate bearings, and the inner and outer rings of the bearing have tapered raceways. The bearings are divided into single row, double row and four row tapered roller bearings according to the number of rollers arranged. Single row tapered roller bearings can bear radial loads and axial loads in a single direction. When the bearing is subjected to radial load, an axial component is produced, so that when another bearing is required to bear the axial force in the opposite direction, it will be balanced.The ability of single row tapered roller bearings to bear axial load depends on the contact angle, that is, the angle of the outer raceway, the greater the angle, the greater the axial load capacity. The single roller tapered roller bearings are the most used in tapered roller bearings. In the front wheel hub of a car, a small, double row tapered roller bearing is used. Four row tapered roller bearings are used in heavy, cold and hot rolling mills and other heavy machines.The outer ring (or inner ring) of a double row tapered roller bearing is a whole. Two inner ring (or outer ring) small end face is similar, and there is a ring in the middle, the clearance is adjusted by the thick and thin of the spacer ring, and the interference of the double row tapered roller bearing can also be adjusted by the thickness of the ring.Four row tapered roller bearings, the performance of this kind of bearings and double row tapered roller bearings are basically the same, but more than double row tapered roller bearings, radial load greater, the limit speed is slightly lower, mainly used for heavy machinery.

Share to: