Today, demands the right to use life, equivalent load, shaft speed and improve the reliability of any correction factor can be used to calculate with the required load bearing capacity. Where: C = dynamic load rating required capacity, N = Shaft speed, r / min  Rolling contact type θ = dimensionless index L = L required service life, h P = bearing equivalent load, N Point contact (ball bearings) or line contact (roller bearings). On ball bearings: θ = 3. 00,

Roller Bearing type many, the structure type, tolerance level, material selection and processing methods are different, but the basic manufacturing process contains the following:   Bearing parts manufacturer - bearing parts inspection - bearing parts demagnetization, cleaning, rust - bearing assembly - Bearing product inspection - bearing product demagnetization, cleaning - packing fight oiled bearings finished product storage.

Nsk bearing motor produces rust are complex and may be bearing rust handled properly, water may be caused by corrosion, and corrosion caused by the mist. Most electrical insulation used in paint factories out of the acid volatile There are four main components: ① the reaction of low molecular weight did not paint the acid composition (anhydrous different o-and p-phthalic acid, anhydrous maleic acid, trans- maleic acid). ② paint curing the resulting acid composition (phenolic degeneration paint,

The use of bearings, the noise is very normal. Even bearing in the low-noise bearings have the same situation.Why would noise pollution? (1) roller bearing noise and its control Roller bearing noise when running, the ball rolling in the roller surface slippery issued a continuous sound, all bearing unique to occur the basic sound. That is, the general sound of roller bearings sound with other sounds. Roller ball bearings sound is irregular,

Roller bearings  and automatically compensate the relative deviation of the center line of bearing to the bearing capacity of the normal working state of tune is called Rolling Mind. As the bearing bore and shaft machining and installation errors, and loaded songs deformation around the rear axle, shaft and inner and outer axis can not maintain the overlap in their work, would produce a certain deflection.

Bearing ring cracks in the four reasons:Engine oil is rather more than less errors do not surface Rockwell hardness scale, there are three to choose from. No matter how all the possible types of grease, oil check and fill methods, pollution refers to the dust, linear bearings do not rotate load to bear, resulting in greater power loss. Their contact area is always to produce elastic deformation, while also allowed to combine the universal groups matching bearings,

 Entity type needle roller bearings: a basic structure of the inner bearing NU type cylindrical roller bearings the same, but with needle, size can be reduced, and can withstand large radial load bearing without inner ring should have the right precision and hardness the axis of the mounting surface to use as a raceway. Main application of the cage: steel stamping cage Main use: car engines, transmissions, pumps, crawler excavators wheel,
 

Bearing type and feature E-type cylindrical roller bearings Main dimensions and bearing the same general import, but the roller diameter, length, number of increased load bearing capacity to increase correspondingly.With symbol "E" number on the basic NTN bearings in order to differentiate. Compared with the large load capacity, its design is very light. Because the bearing diameter and bearing the standard import different,