Product parameters

  • QIBR No. QXI12 0321N
  • INA No.XI12 0321N
  • Bearing Type Crossed roller
  • Closure Type Double Seal
  • Bearing Material 42CrMo, 50Mn, Stainless Steel
  • Seal Material FPM, NBR
Load Capacity
  • Maximum permissible radial load against friction lock(Frper)50.4kN
  • Basic dynamic load rating, axial(Ca)146.7kN
  • Basic static load rating, axial(C0a)288kN
  • Basic dynamic load rating, radial(Cr)93.6kN
  • Basic static load rating, radial(C0r)141.3kN
Gear teeth
  • Pitch diameter of gear(d0)261 mm
  • Tooth modulus(m)3mm
  • Number of teeth(z)87
  • Tooth width(b)34mm
  • Permissible tooth force(Fz norm)7.2kN
  • Maximum permissible tooth force(Fz max)10.62kN
Overall Dimensions
  • Inside diameter of inner ring (di)257.2 mm
  • Outside diameter of outer ring(Da)383 mm
  • Outer diameter centring length(DaZT)-
  • Internal diameter on outer ring(Di)322 mm
  • External diameter on inner ring(da)320 mm
  • Internal diameter centring length(daZT)-
  • Overall width(H)38 mm
  • Outer ring width(h)33mm
  • Weight(w)15kg
Mounting Holes
  • Bolt circle Dia. - outer ring(La)357 mm
  • Bolt circle Dia. - inner ring(Li)287 mm
  • Number holes - outer ring(na)20
  • Number holes - inner ring (ni)20
  • Mounting hole diameter(dB)-
  • Taper type lubrication nipples, DIN 71412, approximately equi-spaced on circumference and countersunk-

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