Product parameters

• QIBR No. QVLA 20 0644N
• INA No.VLA 20 0644N
• 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)59490N
• Basic dynamic load rating, axial(Ca)147600N
• Basic static load rating, axial(C0a)409500N
• Basic dynamic load rating, radial(Cr)133200N
• Basic static load rating, radial(C0r)153900N

Gear teeth

•  Pitch diameter of gear(d0)732mm
• Tooth modulus(m)6mm
•  Number of teeth(z)122
• Permissible tooth force(Fz norm)19170N
• Maximum permissible tooth force(Fz max)28350N

Overall Dimensions

• Inside diameter of inner ring (di)534 mm
• Outside diameter of outer ring(Da)742,3mm
• Outer diameter centring length(DiZT)647mm
• Internal diameter on outer ring(Di)645,5mm
• External diameter on inner ring(da)642,5mm
• Internal diameter centring length(diZT)536 mm
• Overall width(H)56 mm
• Weight(w) 48kg

Mounting Holes

• Bolt circle Dia. - outer ring(La)685 mm
• Bolt circle Dia. - inner ring(Li)562mm
• Number holes - outer ring(na)16
• Number holes - inner ring (ni)16
• Taper type lubrication nipples, DIN 71412-A S8x1, spaced uniformly on circumference4