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Ceramic ball bearing
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Electrically insulated bearing
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Vacuum pump bearing
Vacuum pump bearing
New energy vehicle bearing
New energy vehicle bearing
304 stainless steel roller bearing
Roller bearing
SUS304 stainless steel bearing
Stainless steel deep Groove ball bearing
Stainless steel self-aligning ball bearing
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Stainless steel rod end joint bearing
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Stainless Steel Inch rod end joint bearing
Stainless steel 420 material bearing
Stainless steel deep groove ball bearing
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Stainless steel self-aligning roller bearing
Stainless steel angular contact ball bearing
Stainless steel thrust ball bearing
Stainless steel outer spherical bearing
Stainless steel micro thrust ball bearing
Stainless steel bearing with seat
Stainless steel stamped bearing with seat
Stainless steel bearing with seat
Stainless steel micro bearing
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 31306 F21
  • Boundary dimensions (mm)
    d 30
    D 72
    T 20.75
    Inner ring height 19
    Outer ring height 14
    R min 1.5
    r min 1.5
  • kg 0.385
  • Basic Load Ratings (kN)
    Cr 5.25
    Cor 6.04
  • Limiting speed
    Grease 4800
    Oil 6800
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