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Product parameters

  • QIBR No. Q1230DBS203t
  • NSK No.1230DBS203t
  • Bearing Type Four Point Contact
  • Closure Type Double Seal
  • Bearing Material 42CrMo, 50Mn, Stainless Steel
  • Seal Material FPM, NBR
Load Capacity
  • Tangential force(Fr)180KN
  • Related axial static load(Fa)6480KN
Gear teeth
  •  Pitch diameter of gear(D0)1596mm
  • Tooth modulus(m)12mm
  •  Number of teeth(z)133
  • Tooth width(b)120mm
Overall Dimensions
  • Inside diameter of inner ring (Di)1230mm
  • Outside diameter of outer ring(Da)1620mm
  • Internal diameter on outer ring(Oa)1397mm
  • External diameter on inner ring(Oi)1405mm
  • Inner ring width(h)124mm
  • Overall width(H)135mm
  • Weight(w)688.5kg
Mounting Holes of Outer Ring
  • Bolt circle Dia. (La)1510mm
  • Number of holes (Za)39
  • Diameter(da)33
  • Hole depth(ta)-
Mounting Holes of Inner Ring
  • Bolt circle Dia. (Li)1290mm
  • Number of holes (Zi)28
  • Diameter(di)33
  • Hole depth(ti)-
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