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Product parameters

  • QIBR No. Q300DBS202y
  • NSK No.300DBS202y
  • Bearing Type Four Point Contact
  • Closure Type Double Seal
  • Bearing Material 42CrMo, 50Mn, Stainless Steel
  • Seal Material FPM, NBR
Load Capacity
  • Tangential force(Fr)42.3KN
  • Related axial static load(Fa)1224KN
Gear teeth
  •  Pitch diameter of gear(D0)510mm
  • Tooth modulus(m)6mm
  •  Number of teeth(z)85
  • Tooth width(b)60mm
Overall Dimensions
  • Inside diameter of inner ring (Di)300mm
  • Outside diameter of outer ring(Da)522mm
  • Internal diameter on outer ring(Oa)398mm
  • External diameter on inner ring(Oi)402mm
  • Inner ring width(h)53mm
  • Overall width(H)73mm
  • Weight(w)54.5kg
Mounting Holes of Outer Ring
  • Bolt circle Dia. (La)460mm
  • Number of holes (Za)11
  • Diameter(da)M18
  • Hole depth(ta)40
Mounting Holes of Inner Ring
  • Bolt circle Dia. (Li)335mm
  • Number of holes (Zi)23
  • Diameter(di)22
  • Hole depth(ti)-
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