The main dimensions of the tapered roller bearings conform to DIN ISO 355 and DIN 720. Dimensional and running tolerances match tolerance course PN acc. to DIN 620. These tolerance classes are standard and so are perfect for most applications.
The bearings are separable. This means the bearing parts could be fitted independently of each additional. The bearings are provided without seals. They are often lubricated with grease or oil from 
the side.
The rollers are processed to create pore-like micro indents in the surface of the steel (rolling contact area and roller mind). This microstructure helps maintain an oil film that’s well suited for tapered roller bearing applications. Improved oil film retention significantly inhibits surface damage, achieving more than eight occasions higher sturdiness and equal or better seizure Tapered Roller Bearing china resistance in comparison to conventional products.
Improved upon lubricant oil accumulation and retention (better to form oil film) in the roller surface plays a part in 10% lower friction by low speeds compared to conventional products.
Tapered roller bearings can accept large radial and axial loads. Axial loads are absorbed in mere one route. For axial counter support another bearing installed inverse is required. Suitable for medium speeds.
Larger efficiency transmission systems have emerged as key to increasing gasoline economy, so NSK set out to develop a high reliability bearing with the capacity of overcoming these hurdles.
To boost fuel economy, there has been a shift to using less lubricant and/or reduce viscosity lubricant in tranny systems. Because of this, tapered roller bearings in transmissions happen to be being at the mercy of increasingly severe lubrication circumstances, increasing the chance of lubrication essential oil film depletion (lean lubrication conditions), surface harm, and bearing seizure.