Product parameters

  • QIBR No. QVSA 20 0644N
  • INA No.VSA 20 0644N
  • 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)118980 N
  • Basic dynamic load rating, axial(Ca)147600 N
  • Basic static load rating, axial(C0a)927000 N
  • Basic dynamic load rating, radial(Cr)133200 N
  • Basic static load rating, radial(C0r)423000 N
Gear teeth
  •  Pitch diameter of gear(d0)732 mm
  • Tooth modulus(m)6 mm
  •  Number of teeth(z)122
  • Permissible tooth force(Fz norm)19170 N
  • Maximum permissible tooth force(Fz max)28350 N
Overall Dimensions
  • Inside diameter of inner ring (di)572 mm
  • Outside diameter of outer ring(Da)742,3 mm
  • Outer diameter centring length(DiZT)647 mm
  • Internal diameter on outer ring(Di)645,5 mm
  • External diameter on inner ring(da)642,5 mm
  • Internal diameter centring length(diZT)574 mm
  • Overall width(H)56 mm
  • Weight(w) 53 kg
Mounting Holes
  • Bolt circle Dia. - outer ring(La)685 mm
  • Bolt circle Dia. - inner ring(Li)598 mm
  • Number holes - outer ring(na)32
  • Number holes - inner ring (ni)36
  • Taper type lubrication nipples, DIN 71412-A S8x1, spaced uniformly on circumference4

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