Product parameters

• QIBR No. QVSI 20 0744N
• INA No.VSI 20 0744N
• 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)148680 N
• Basic dynamic load rating, axial(Ca)155700 N
• Basic static load rating, axial(C0a)1071000 N
• Basic dynamic load rating, radial(Cr)141300 N
• Basic static load rating, radial(C0r)495000 N

Gear teeth

•  Pitch diameter of gear(d0)660 mm
• Tooth modulus(m)6 mm
•  Number of teeth(z)110
• Permissible tooth force(Fz norm)21330 N
• Maximum permissible tooth force(Fz max)31500 N

Overall Dimensions

• Inside diameter of inner ring (di)648 mm
• Outside diameter of outer ring(Da)816 mm
• Outer diameter centring length(DaZT)814 mm
• Internal diameter on outer ring(Di)745,5 mm
• External diameter on inner ring(da)742,5 mm
• Internal diameter centring length(daZT)741 mm
• Overall width(H)56 mm
• Weight(w)58 kg

Mounting Holes

• Bolt circle Dia. - outer ring(La)790 mm
• Bolt circle Dia. - inner ring(Li)705 mm
• Number holes - outer ring(na)40
• Number holes - inner ring (ni)40
• Taper type lubrication nipples, DIN 71412-A S8x1, spaced uniformly on circumference4