One of the core industrial bearings of QIBR, the strongest support for your industry!

QXI12 0321N

Product Parameters
QIBR No. QXI12 0321N  INA No.
XI12 0321N
Bearing Type Crossed Cyclindrical Roller Closure Type Double Seals
Bearing Material 42CrMo, 50Mn etc Seal Material FPM, NBR
Maximum permissible radial load against friction lock(Frper) 50.4kN Basic dynamic load rating, axial(Ca) 146.7kN
Basic static load rating, axial(C0a) 288kN Basic dynamic load rating, radial(Cr) 93.6kN
Basic static load rating, radial(C0r) 141.3kN
Overall Dimensions
Inside diameter of inner ring (di) 257.2mm Outside diameter of outer ring(Da) 383mm
Outer diameter centring length(DaZT) - Internal diameter on outer ring(Di) 322mm
External diameter on inner ring(da) 320mm Internal diameter centring length(daZT) -
Overall width(H) 38mm Weight(w) 15kg
Mounting Holes
Bolt circle Dia. - outer ring(La) 357mm Bolt circle Dia. - inner ring(Li) 287mm
Number holes - outer ring(na) 20 Number holes - inner ring (ni) 20
Taper type lubrication nipples, DIN 71412, approximately equi-spaced on circumference and countersunk - Mounting hole diameter(dB)
-
Gear Data
Pitch diameter of gear(d0) 261mm Tooth modulus(m) 3mm
Number of teeth(z) 87 Tooth width(b)34mm
Permissible tooth force(Fz norm) 7.2kNMaximum permissible tooth force(Fz max) 10.62kN