Product parameters

• QIBR No. QXI20 0720N
• INA No.XI20 0720N
• 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)234kN
• Basic dynamic load rating, axial(Ca)450kN
• Basic static load rating, axial(C0a)954kN
• Basic dynamic load rating, radial(Cr)283.5kN
• Basic static load rating, radial(C0r)468kN

Gear teeth

• Pitch diameter of gear(d0)600 mm
• Tooth modulus(m)8mm
• Number of teeth(z)75
• Tooth width(b)51mm
• Permissible tooth force(Fz norm)35.19kN
• Maximum permissible tooth force(Fz max)51.21kN

Overall Dimensions

• Inside diameter of inner ring (di)584 mm
• Outside diameter of outer ring(Da)812 mm
• Outer diameter centring length(DaZT)810mm
• Internal diameter on outer ring(Di)721 mm
• External diameter on inner ring(da)719 mm
• Internal diameter centring length(daZT)717mm
• Overall width(H)58 mm
• Outer ring width(h)51mm
• Weight(w)84kg

Mounting Holes

• Bolt circle Dia. - outer ring(La)780 mm
• Bolt circle Dia. - inner ring(Li)660 mm
• Number holes - outer ring(na)40
• Number holes - inner ring (ni)40
• Mounting hole diameter(d_B)18mm
• Taper type lubrication nipples, DIN 71412, approximately equi-spaced on circumference and countersunk1