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Ceramic ball bearing
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New energy vehicle bearing
304 stainless steel roller bearing
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440 stainless steel deep groove ball micro bearing
Stainless steel micro thrust ball bearing
Special custom bearing
Special custom bearing
High temperature bearing
High temperature bearing
Food and beverage bearing
Food and beverage bearing
Low-temperature bearing
Low-temperature bearing
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  • Bearing number 31307 F21
  • Boundary dimensions (mm)
    d 35
    D 80
    T 22.75
    Inner ring height 21
    Outer ring height 15
    R min 2
    r min 1.5
  • kg 0.517
  • Basic Load Ratings (kN)
    Cr 6.57
    Cor 7.68
  • Limiting speed
    Grease 4300
    Oil 6000
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