Is the house too close to the high voltage line? Is there radiation? Professional instruments can detect!

If the house is a high-voltage cable, will it affect the human body? Will high-voltage cables bring electromagnetic radiation to human health? Many people have such questions. In reality, there are indeed many communities that are surrounded by high voltage wires. With regard to whether there are radiation problems with the high-voltage cables around the community, we still listen to professional analysis.

The staff of the radiation bureau of the Environmental Protection Agency stated that facilities such as general ultra-high voltage transmission and substations must meet national standards in order to pass EIA. If a high-voltage power line is set up near a community, a sufficient distance from the community will be reserved at the time of design to ensure safety. However, if it is the first high-voltage electric wire, and then the construction of the community, then it must be treated separately. It does not rule out that developers do not have enough high-voltage lines to maintain a sufficient distance.

By ordinary methods, it is difficult to know if the house is too close to the high voltage line, because different wire materials, wiring methods, etc. will have different effects. Therefore, it must be monitored by professional instruments. In fact, electromagnetic radiation has always existed in the natural world. If it meets the relevant national technical standards, there is no need to worry about the impact on health.

Angular Contact Ball Bearing



Angular contact ball bearing can withstand both radial load and axial load. Able to work at a high speed. With larger contact angle, the axial capacity of the bearing will be higher. High precision and high speed bearings usually have a 15 degree contact angle. The contact Angle will increase under axial force.

Angular contact ball bearing accuracy class includes dimensional tolerance and rotation precision.The precision is expressed as P0(ordinary), P6(P6X), P5, P4 and P2.In addition, the European and American brands also use P3, P7 and P9 to indicate the accuracy level. P3 is the P6 level of ISO and JIS standard, P7 is equivalent to P4, P9 is equivalent to P2.


Single row angular contact ball bearings application are:machine tool spindle, high frequency motor, gas turbine, centrifugal separator, small car front wheel, differential pinion shaft, booster pump, drilling platform, food machinery, dividing head, filling machine, low noise type cooling tower, electrical equipment, coating equipment, machine tool trough plate, arc welding machine.


angular contact

Double row angular contact ball bearing application are: oil pump, roots blower, air compressor, all kinds of transmission, fuel injection pump, printing machinery, planetary reducer, extraction equipment, cycloid reducer, food packaging machinery, electric welding machine, electric, square box, gravity type spray gun, wire stripping machine, axle shaft equipment, chemical machinery, testing analysis equipment.

double row angular

Angular contact ball bearing sets:



Angular contact ball bearing most common series names are below:


718 Series

719 Series

H719 Series

70 Series

H70 Series

B70 Series

72 Series

We believe that we can supply the best service and price for your, hope to make a long-term cooperation with you. If you have any question please do not hesitate contact with us. We keep warmly welcome you visit us in any time.

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