One of the core industrial bearings of QIBR, the strongest support for your industry!

QXA20 0720N

Product Parameters
QIBR No. QXA20 0720N  KAYDON No.
XA20 0720N
Bearing Type Four Point Contact  Closure Type Double Seals
Bearing Material 42CrMo, 50Mn etc Seal Material FPM, NBR
Maximum permissible radial load against friction lock(Frper) 216.3kN Basic dynamic load rating, axial(Ca) 483kN
Basic static load rating, axial(C0a) 1152kN Basic dynamic load rating, radial(Cr) 302kN
Basic static load rating, radial(C0r) 602kN
Overall Dimensions
Inside diameter of inner ring (di) 630mm Outside diameter of outer ring(Da) 844.3mm
Internal diameter on outer ring(Di) 721mm External diameter on inner ring(da) 719mm
Overall width(H) 59mm Outer ring width(h) 52mm
Weight(w) 86.2kg

Mounting Holes
Bolt circle Dia. - outer ring(La) 780mm Bolt circle Dia. - inner ring(Li) 662mm
Number holes - outer ring(na) 30 Number holes - inner ring (ni) 30
Mounting hole diameter(dB) 30mm

Gear Data
Pitch diameter of gear(d0) 834mm Tooth modulus(m) 6mm
Number of teeth(z) 139 Tooth width(b) 52mm
Permissible tooth force(Fz norm) 22.3kN Maximum permissible tooth force(Fz max) 34.5kN