Product parameters

• QIBR No. QXA20 0720N
• INA No.XA20 0720N
• 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)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

Gear teeth

• 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

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(d_B)30