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Fault Judgment of Needle Roller Bearing - Wuxi Xinyu Needle Roller Bearing Co., Ltd.


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    Welcome to the website of Wuxi Xinyu Needle Roller Bearing Co., ltd.
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    HOTLINE +86-510-83585678 83585268

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    CONTACT US

    Address: Rongnan Industrial park,Yuqi town, Huishan district, Wuxi city
    General Manager: Ren Haihua
    Fax:0510-88736156
    Tel:(86)0510-83585678 83585268
    Website:www.gzspray.com
    E-mail:sales@gzspray.com

    Fault Judgment of Needle Roller Bearing

    Sound Description of Needle Roller Bearings Features Cause of occurrence
    Zha Zha
    Ga Ga
    Sound quality does not vary with the speed of rotation (dust/foreign matter)
    Sound quality varies with rotation speed (scratches)
    Dust/Foreign Body Track Surface, Ball, Rough Roller Surface, Ball, Roller Surface Scratch
    ZiLa Small bearing Track Surface, Ball, Roller Surface Roughness
    ZiLa-ZiLa Discontinuous and regular occurrence Contact with sealing ring, retainer and sealing cover
    Wuwu
    Didi
    Roar
    Because of the change of rotating speed, the size and height are changed. The sound becomes louder as it rotates at a specific speed. There are also times when there are similar alarms or flute sounds. Resonance, poor fit (bad shaft shape)
    Track Surface Deformation
    Track surface, ball, roller ripple (large bearings with mild sound are normal)
    Gazi Gazi Feelings of manual rotation Track surface scratches (regular)
    Scratches on balls or rollers (irregular)
    Dust/Foreign Body, Track Surface Deformation (Partial Gap is Negative)
    Long Long Large bearing, continuous sound at high speed, small bearing Track Surface, Ball, Roller Surface Scratch
    Wu Weng Stop instantly when power is cut off Motor electromagnetic sound
    Zhila Zhila Irregular occurrence (variation of non-rotating speed), mainly for small bearings Mix in dust/foreign matter
    Ding Dang Tapered roller bearings, regular and high-speed continuous sound, large bearings, small bearings It's normal if the retainer's voice is clear.
    If the grease is not comfortable soft at low temperature, it is good.
    Because of internal wear of retainer, insufficient lubrication and insufficient bearing load.
    Hua La It is more obvious at low speed < br />. Continuous sound at high speed The shock sound inside the retainer is not sufficiently lubricated. After reducing the internal clearance or preloading, the abnormal sound disappears.
    If all the rollers are used, the impact sound between the rollers will occur.
    Bang Bang Larger metal impact sound
    Low-speed thin-walled large bearings (TTB) and so on.
    Rotary torn sound
    Track Wheel Deformation
    Squeak
    Guang Guang The main reason is that cylindrical roller bearings change with the change of rotating speed. When the sound is loud, the metal sound can be heard. When the lubricant is added, it will stop for a while. Excessive Thickness of Lubricating Oil
    Excessive radial internal clearance
    Insufficient lubricating oil
    Qiang Qiang Intermetallic occlusion
    Sharp tone
    Roller and Edge Bite of Roller Bearing
    Small internal clearance
    Insufficient lubricating oil
    Pi La Irregular Sound Occurring in Small Bearings Bubble Breakage Sound in Lubricating Oil
    Paca Paca Irregular squeak Slipping of mating part
    Creaking of mounting surface
    The squeak of keys, etc.
    Excessive sound pressure Track surface, rollers, rough surface of balls
    Deformation of track surface, rollers and balls due to friction
    Excessive internal clearance due to friction
    Welcome to contact us through the following ways to discuss consultation and cooperation.Jointly Develop a Better Future Belonging to Us Wuxi Xinyu Needle Roller Bearing Co., Ltd. Address: Rongnan Industrial park,Yuqi town, Huishan district, Wuxi city
    General Manager: Ren Haihua
    Fax:0510-88736156
    Tel:(86)0510-83585678 83585268
    Website:www.gzspray.com
    E-mail:sales@gzspray.com