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Product parameters

  • QIBR No. QVSA 25 1055N
  • INA No.VSA 25 1055N
  • 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)326700 N
  • Basic dynamic load rating, axial(Ca)400500 N
  • Basic static load rating, axial(C0a)3375000 N
  • Basic dynamic load rating, radial(Cr)364500 N
  • Basic static load rating, radial(C0r)1548000 N
Gear teeth
  •  Pitch diameter of gear(d0)1180 mm
  • Tooth modulus(m)10 mm
  •  Number of teeth(z)118
  • Permissible tooth force(Fz norm)55080 N
  • Maximum permissible tooth force(Fz max)80100 N
Overall Dimensions
  • Inside diameter of inner ring (di)955 mm
  • Outside diameter of outer ring(Da)1198 mm
  • Outer diameter centring length(DiZT)1055 mm
  • Internal diameter on outer ring(Di)1053 mm
  • External diameter on inner ring(da)1057  mm
  • Internal diameter centring length(diZT)957mm
  • Overall width(H)80 mm
  • Weight(w)171 kg
Mounting Holes
  • Bolt circle Dia. - outer ring(La)1116 mm
  • Bolt circle Dia. - inner ring(Li)995 mm
  • Number holes - outer ring(na)30
  • Number holes - inner ring (ni)30
  • Taper type lubrication nipples, DIN 71412-A M10x1, spaced uniformly on circumference4
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