shanghai BIS bearings co.,ltd

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NSK bearings _shanghai bis bearings co.,ltd

Author: Date:4/9/2015 1:13:49 PM

High performance and high precision of the thrust bearing

Supported by combining radially thrust bearings and cylindrical roller bearings, FAG of BAX series high speed spindle bearing thrust bearing has reached the previously only to reach the speed of parameter.The combined bearing separation of the axial and radial load in the bearing support.Because do not need to support the overturning moment, which wasn't damaged under combined load characteristics of the movement.This makes the bearing support especially strong and durable.Users also benefit from the high rigidity of high machining accuracy.High bearing capacity and good capability of speed guarantee excellent work performance and high productivity.
High speed
On in order to satisfy the processing to the requirement of high rigidity and high bearing capacity, main shaft bearing support often use a combination of double row cylindrical roller bearing and thrust bearing.This kind of bearings have its unique advantages, thrust bearing and radial bearing separation that the movement of the bearing performance is not affected by load.The shortcomings of low speed is the solution.Still in use of double row angular contact thrust ball bearing contact Angle 60 °, is only applicable to medium speed.However, BAX bearing the basic contact Angle of 30 °, in order to achieve higher axial stiffness can also use the contact Angle of 40 °.In order to realize the low friction, BAX bearing to reduce the friction also use a laminated phenolic resin cage.This means that the speed by oil and gas lubrication can increase 20%, by lubricating grease can be increased by 30%.By changing into single row cylindrical roller bearings and mix design of BAX bearings, also is to use ceramic rolling elements, speed is also likely to have further improved.In the basic contact Angle of 30 °, through oil and gas under the condition of lubrication, coefficient of speed can reach 1.35 million mm/min.
High stiffness
In the basic stiffness is also showed the advantage of BAX bearing.Double row cylindrical roller bearings and double row angular contact ball bearing thrust bearing support type of radial stiffness is a traditional main shaft bearing with four types of about 2.5 times, about 60% higher in the axial stiffness.Cylindrical roller bearing and the basic contact Angle of 40 ° BAX high-speed thrust bearing can also achieve the combination of high radial stiffness.The equivalent axial stiffness with the level of the four main shaft bearing of the bearing support.However, at the highest speed, BAX bearing combinations than with the combination of double row angular contact thrust ball bearings.
BAX bearing with 2344 series on size compatible with two-way thrust angular contact ball bearing.In just make a little change of the adjacent parts under the condition of without changing the shaft and bearing seat, can completely replace both.P4S precision grade achieved outstanding running smoothly.Between 50 and 200 mm diameter.