High speed excavator inch size bearing 628-2Z heavy duty bearing

  • Product Description
  • Key attributes

    Industry-specific attributes

    Applicable Industries
    Building Material Shops, Retail, Energy & Mining, Universal bearing
    Bore Size
    15 – 20 mm
    Precision Rating
    P0 P2 P4 P5 P6
    Number of Row
    Single row

    Other attributes

    Place of Origin
    Japan
    Type
    BALL
    Structure
    Deep Groove
    Model Number
    628-2Z
    Seals Type
    open
    Weight
    0.0017kg
    Size
    8*24*8mm
    Certificate
    ISO9001:2008
    Cage materials
    F1 carbon steel
    Type
    Excavator bearing
    Application
    Construction machinery
    Material
    High carbon chromium bearing steel
    Use features
    High speed
    Grease
    63000r/min
    Oil
    19000r/min

    Packaging and delivery

    Packaging Details
    1.For small ones:anti-rust oil+vacuum plastic bag+paper box+wooden box 2.anti-rust oil+waterproof belt+professional belt+wooden box
    Port
    shanghai

    Supply Ability

    Supply Ability
    500000 Set/Sets per Week
    Product Description

     Detail of 628-2Z excavator deep groove bearings

      Bearing designation 628-2Z
      series Excavator bearings
    Boundary Dimensions d 8mm
    D 24mm
    B 8mm
    Basic load ratings Cr 3.9KN
    Cor 1.66KN
    Limiting speeds Grease 63000r/min
    Oil 19000r/min
      Weight 0.017kg
    Deep groove ball bearings

    Introduction of excavator bearing

    1:An excavator bearing comprising: excavator bearings, slewing bearings, needle roller bearings excavators, excavators gearbox bearings, motor bearings excavator, excavator driver bearings, spherical plain bearings excavators, excavator slewing bearings and used excavators top British non-standard bearings. 
    2:excavator bearing installation: 
    (1) The shift means improperly adjusted, if this type of excavator uses a mechanical transmission shift human way, if the shift lever, and the vertical axis, horizontal axis and vertical screw loose can cause the transmission to “jump stop.” Derailer wear 
    (2) External sudden load changes due to the nature of work and the machine excavator design their own reasons, sudden changes in the external load will lead to its transmission “jump stop.” When the road surface uneven, excavator for downhill driving or improper driving route when leaving the outside world sudden load changes, sudden change in load through the wheel, drive shaft in the transmission gear meshing gear, so the gear meshing gear due to produce axial thrust and disengaged, causing the transmission to “jump stop.” Decline in performance self-locking mechanism 
    (3) the transmission shifter excavator sets of teeth is to rely on a sliding sleeve in the axial movement of fixed gear and meshed with the gear shift is driven gear to achieve. In the frequent shifting process, the end face of each of the gear teeth are susceptible to ground into a cone, resulting in reducing its engaging performance and lead to “jump stop.” 
    (4) To prevent transmission “jump stop”, excavators in the transmission II,III gear and IV,Vshift fork shaft hole cover side and I reverse gear are safe within the forks have played the role of self-locking ball and spring. When positioning the self-locking effect since its elastic spring weakened or broken, the self-locking performance self-locking mechanism will decline until it disappears, causing the transmission to “jump stop.” At the same time, positioning the ball or fork shaft groove if worn, can also result in transmission “jump stop.” 
    (5) improper operation excavator traveling on the ramp (especially downhill running), if the improper operation will cause the transmission to “jump stop.”

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    Pictures of excavators spherical roller bearings

     

    Packaging & Shipping

    1. For small ones:anti-rust oil+vacuum plastic bag+paper box+wooden box 

    2. For big ones:anti-rust oil+waterproof belt+professional belt+wooden box

    Payment Terms:

    L/C ,T/T ,western Union

    1. 30% deposit By T/T, Western Union, Paypal, 70% before delivery.

    2. 100% L/C at sight 

    Other information:

    Production Lead time: 7~25days; If we have this item in stock , 2days delivery. 

    Delivery Date: within 3-5days after your payment.

    Sample: Free, but we don’t bear the freight of sample

    MOQ: 1 set Supply Ablility:100000 pcs/Month

    Further Information