Product parameters

• QIBR No. QVI25 0489N
• INA No.VI25 0489N
• 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)148.68kN
• Basic dynamic load rating, axial(Ca)355.5kN
• Basic static load rating, axial(C0a)927kN
• Basic dynamic load rating, radial(Cr)229.5kN
• Basic static load rating, radial(C0r)418.5kN

Gear teeth

• Pitch diameter of gear(d0)396 mm
• Tooth modulus(m)6mm
• Number of teeth(z)66
• Tooth width(b)50mm
• Permissible tooth force(Fz norm)24.84kN
• Maximum permissible tooth force(Fz max)36.09kN

Overall Dimensions

• Inside diameter of inner ring (di)384 mm
• Outside diameter of outer ring(Da)562 mm
• Outer diameter centring length(DaZT)560mm
• Internal diameter on outer ring(Di)488 mm
• External diameter on inner ring(da)490 mm
• Internal diameter centring length(daZT)488mm
• Overall width(H)55 mm
• Outer ring width(h)50mm
• Weight(w)43kg

Mounting Holes

• Bolt circle Dia. - outer ring(La)538 mm
• Bolt circle Dia. - inner ring(Li)440 mm
• Number holes - outer ring(na)40
• Number holes - inner ring (ni)40
• Mounting hole diameter(d_B)14mm
• Taper type lubrication nipples, DIN 71412-A M10x1, arranged evenly about the circumference and partially recessed2