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11:12:13 GMT+0000 (Coordinated Universal Time)
XA120235-N-ZT
Slewing ring, crossed roller bearing, external gear teeth
Crossed roller bearings with external gear teeth, sealed
Product information
Metric
Imperial
Main Dimensions & Performance Data
d1 | 171 mm | Bore Diameter |
diZT | 173 mm | Diameter centring inner ring |
IT8 | Diameter centring inner ring tolerance | |
t | 6 mm | Length centering inner ring |
Da | 318,8 mm | Outside Diameter |
Di ZT | 238 mm | Diameter centring outer ring |
IT8 | Diameter centring outer ring tolerance | |
T | 2,6 mm | Length centering outer ring |
H | 40 mm | Height |
≈m | 13,2 kg | Weight |
Dimensions
Di | 236 mm | Inner diameter outer ring |
ha | 35 mm | Width outer ring |
La | 275 mm | Pitchcircle diameter fixing holes outer ring |
na | 12 | Number of fixing holes in outer ring |
b | 35 mm | Width gearing |
m | 4 mm | Modul of gearing |
z | 78 | Number of teeth |
d0 | 312 mm | Pitch circle diameter gearing |
Fz norm | 11.000 N | Max. tooth force root fatigue strenght (at a shock factor of 1,2) |
Fz max | 16.100 N | Max. tooth force against tooth fracture (at a shock factor of 1,35) |
da | 234 mm | Outside diameter inner ring |
0,2 mm | Outside diameter inner ring upper tolerance | |
-0,2 mm | Outside diameter inner ring lower tolerance | |
h | 35 mm | height of individual ring |
dB | 13 mm | Fixing bore |
Li | 195 mm | Pitchcircle diameter fixing holes inner ring |
ni | 12 | Number of fixing holes in inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 80 °C | Operating temperature max. |
Calculation factors
Ca | 129.000 N | Basic dynamic load rating, axial |
C0a | 280.000 N | Basic static load rating, axial |
Cr | 92.000 N | Basic dynamic load rating, radial (for radial load only) |
C0r | 138.000 N | Basic static load rating, radial (for radial load only) |
VSPmax | 0,02 mm | Maximum bearing preload |
VSPmin | 0 mm | Min. bearing preload |
Fr zul | 49.600 N | Max. radial load fixing screws (friction locking) |
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Centering | ZT | Centering on inner and outer ring |
Gearing | N | Normalized gear teeth on bearing ring |
Characteristics