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All linear bearing linear guide rail deep groove ball bearing angular contact ball bearing Automatic centering ball bearing cylindrical roller bearing tapered roller bearing spheric roller bearing CARB ring roller bearing ball thrust bearing The cylindrical roller thrust bearing Spherical roller thrust bearing Special application bearing Sensor bearing unit tapered adapter-sleeve withdrawal sleeve locknut SNL bearing block Roller bearing Cross roller bearing With outer spherical ball bearing Rotary support bearing
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deep groove ball bearingStainless steel deep-groove ball bearings
Stainless steel deep trench ball bearings d 1.5-7mm
Product Parameter
  • Basic size of mm
    d 3
    D 8
    B 4
  • The basic rated load is kN
    trends C 0.39
    static state Co 0.129
  • Fatigue load limit Pu 0.0056
  • Rated rotation speed is r/min
    Refer to the speed 150000
    limit speed 75000
  • Mass kg 0.0008
  • model W639/3-2Z
  • Dimensions are mm
    d 3
    d1 ～ 4.4
    D1 ～ 7.3
    r1,2 the min 0.15
  • Shoulder gear and chamfer size mm
    da the min 3.8
    Da the max 7.2
    ra the max 0.1
  • Calculation coefficient
    kr 0.02
    fo 9.5
Brand introduction
From Germany, made by heart
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mc@macn-sh.com
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linear bearing
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deep groove ball bearing
angular contact ball bearing
Automatic centering ball bearing
cylindrical roller bearing
tapered roller bearing
spheric roller bearing
CARB ring roller bearing
ball thrust bearing
The cylindrical roller thrust bearing
Spherical roller thrust bearing
Special application bearing
Sensor bearing unit
tapered adapter-sleeve
withdrawal sleeve
locknut
SNL bearing block
Roller bearing
Cross roller bearing
With outer spherical ball bearing
Rotary support bearing
Solution
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