Slewing Ring Bearings

XI120288-N Slewing Ring Bearings

LILY Interchangeable From INA
XI120288-N Slewing Ring Bearings
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Specifications
Part Number XI120288-N
di 216mm
Da 340mm
b 34mm
DaZT 338mm Valpid for bearings with centring (suffix ZT) Centring lengths (T, t) (see dimension drawing) Tolerance: -IT8
Di 289mm
d0 224mm
da 287mm
daZT 285mm Valpid for bearings with centring (suffix ZT) Centring lengths (T, t) (see dimension drawing) Tolerance: -IT8
dB 9mm
H 38mm
h 33mm
La 324mm
Li 252mm
Tooth modulus(m) 4
Number of fixing holes in outer ring(na) 20
Number of fixing holes in inner ring(ni) 20
T 5mm
t 2.5mm
u 6mm
Number of teeth(z) 56
weight(w) 12kg
Maximum permissible radial load against friction lock(Frper) 35000N
Maximum permissible tooth force (dedendum fatigue strength) Fznorm 12300N
Max. permissible tooth force against tooth fracture in dedendum(Fzmax) 17800N
Basic dynamic load rating, axial(Ca) 136000N
Basic static load rating, axial(C0a) 315000N
Basic dynamic load rating, radial(Cr) 97000N
Basic static load rating, radial(C0r) 154000N
Bearing clearance: preload(VSPmin) 0.01
Bearing clearance: preload(VSPmax) 0.05
Taper type lubrication nipples, DIN 71412, spaced approximately uniformly on circumference and partially recessed 2
XI120288-N Slewing Ring Bearings

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