Product parameters

• QIBR No. QVSI 25 0755N
• INA No.VSI 25 0755N
• 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)261360 N
• Basic dynamic load rating, axial(Ca)355500 N
• Basic static load rating, axial(C0a)2430000 N
• Basic dynamic load rating, radial(Cr)324000 N
• Basic static load rating, radial(C0r)1107000 N

Gear teeth

•  Pitch diameter of gear(d0)630 mm
• Tooth modulus(m)10 mm
•  Number of teeth(z)63
• Permissible tooth force(Fz norm)61200 N
• Maximum permissible tooth force(Fz max)89010 N

Overall Dimensions

• Inside diameter of inner ring (di)610 mm
• Outside diameter of outer ring(Da)855 mm
• Outer diameter centring length(DaZT)853 mm
• Internal diameter on outer ring(Di)753 mm
• External diameter on inner ring(da)757  mm
• Internal diameter centring length(daZT)755 mm
• Overall width(H)80 mm
• Weight(w)118 kg

Mounting Holes

• Bolt circle Dia. - outer ring(La)815 mm
• Bolt circle Dia. - inner ring(Li)694 mm
• Number holes - outer ring(na)24
• Number holes - inner ring (ni)24
• Taper type lubrication nipples, DIN 71412-A M10x1, spaced uniformly on circumference4