Compared with General machinery parts, INA bearings surface of the Rotary parts are short, thin body, decided the machine a single Rotary, the vast majority for lathes and grinding machines; short, thin determines its axial stiffness, negligible axial deformations, radial stiffness less intensified when processing method is to have special considerations.
Rolling bearing parts while the structure is simple, but technology is very high, thus there are several processing features:
1, precision machining
INA bearing most of the surface to be machined with procedure of grinding, grinding dimensions and geometrical precision in units of μm, especially rings raceways and rolling elements of higher precision, you want ultra finishing or polishing.
2, multi-procedure processing
INA bearing demands, production processes. Bearing normal 20~40 procedures required, much more than more than 70 road.
3, molding processing
INA bearing working surface are Rotary forming surface, suitable for processing. Forge rolling and grinding of Raceway, are processed by forming tools or protective plate.
In addition, the vast majority of INA bearing are standardized products, bearings need large volumes of the same type, in order to increase productivity, reduce costs, ensure quality, and extensive use of new technology, improve the mechanization and automation levels, General bearing company is bearing designation and mass production, could even establish a dedicated line or lines for production.
Product Model | Inside Diameter | Outside Diameter | Thickness |
4T-30205 NTN | 25 | 52 | 15 |
4T-33005 NTN | 25 | 47 | 17 |