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XI120288-N-ZT
Slewing ring, crossed roller bearing, internal gear teeth
Crossed roller bearings with internal gear teeth, lip seals on both sides

Main Dimensions & Performance Data
di | 216 mm | Bore Diameter |
da ZT | 285 mm | Diameter centring inner ring |
-IT8 | Diameter centring inner ring tolerance | |
t | 2.5 mm | Length centering inner ring |
Da | 340 mm | Outside Diameter |
Da ZT | 338 mm | Diameter centring outer ring |
-IT8 | Diameter centring outer ring tolerance | |
T | 5 mm | Length centering outer ring |
H | 38 mm | Height |
≈m | 12.1 kg | Weight |
Dimensions
Di | 289 mm | Inner diameter outer ring |
ha | 33 mm | Width outer ring |
La | 324 mm | Pitchcircle diameter fixing holes outer ring |
na | 20 | Number of fixing holes in outer ring |
dB | 9 mm | Fixing bore |
da | 287 mm | Outside diameter inner ring |
34 mm | Width inner ring | |
Li | 252 mm | Pitchcircle diameter fixing holes inner ring |
ni | 20 | Number of fixing holes in inner ring |
b | 34 mm | Width gearing |
m | 4 mm | Modul of gearing |
z | 56 | Number of teeth |
d0 | 224 mm | Pitch circle diameter gearing |
u | 6 mm | Protrusion lubrication nipple |
Fz norm | 12,300 N | Max. tooth force root fatigue strenght |
Fz max | 17,800 N | Max. tooth force against tooth fracture |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 80 °C | Operating temperature max. |
Calculation factors
Ca | 135,000 N | Basic dynamic load rating, axial |
C0a | 310,000 N | Basic static load rating, axial |
Cr | 96,000 N | Basic dynamic load rating, radial (for radial load only) |
C0r | 153,000 N | Basic static load rating, radial (for radial load only) |
VSPmax | 0.02 mm | Maximum bearing preload |
Fr zul | 45,500 N | Max. radial load fixing screws (friction locking) |
Downloads:
Your current product variant
Centering | ZT | Centering on inner and outer ring |
Gearing | N | Normalized gear teeth on bearing ring |
Characteristics


All
English

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