Product parameters

  • QIBR No. QVI25 0489N
  • INA No.VI25 0489N
  • Bearing Type Four Point Contact
  • Closure Type Double Seal
  • Bearing Material 42CrMo, 50Mn, Stainless Steel
  • Seal Material FPM, NBR
Load Capacity
  • Maximum permissible radial load against friction lock(Frper)148.68kN
  • Basic dynamic load rating, axial(Ca)355.5kN
  • Basic static load rating, axial(C0a)927kN
  • Basic dynamic load rating, radial(Cr)229.5kN
  • Basic static load rating, radial(C0r)418.5kN
Gear teeth
  • Pitch diameter of gear(d0)396 mm
  • Tooth modulus(m)6mm
  • Number of teeth(z)66
  • Tooth width(b)50mm
  • Permissible tooth force(Fz norm)24.84kN
  • Maximum permissible tooth force(Fz max)36.09kN
Overall Dimensions
  • Inside diameter of inner ring (di)384 mm
  • Outside diameter of outer ring(Da)562 mm
  • Outer diameter centring length(DaZT)560mm
  • Internal diameter on outer ring(Di)488 mm
  • External diameter on inner ring(da)490 mm
  • Internal diameter centring length(daZT)488mm
  • Overall width(H)55 mm
  • Outer ring width(h)50mm
  • Weight(w)43kg
Mounting Holes
  • Bolt circle Dia. - outer ring(La)538 mm
  • Bolt circle Dia. - inner ring(Li)440 mm
  • Number holes - outer ring(na)40
  • Number holes - inner ring (ni)40
  • Mounting hole diameter(dB)14mm
  • Taper type lubrication nipples, DIN 71412-A M10x1, arranged evenly about the circumference and partially recessed2

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