Product details from catalogue Inquiry

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XA120235-N INA

Crossed roller bearings with external gear teeth, sealed


d1 Bore Diameter 171 mm
Da Outside Diameter 318,8 mm
H Height 40 mm
≈m Weight 13,21 kg
ha Width outer ring 35 mm
La Pitchcircle diameter fixing holes outer ring 275 mm
na Number of fixing holes in outer ring 12
b Width gearing 35 mm
m Modul of gearing 4 mm
z Number of teeth 78
d0 Pitch circle diameter gearing 312 mm
Fz norm Max. tooth force root fatigue strenght (at a shock factor of 1,2) 11.000 N
Fz max Max. tooth force against tooth fracture (at a shock factor of 1,35) 16.100 N
da Outside diameter inner ring 234 mm
h height of individual ring 35 mm
dB Fixing bore 13 mm
Li Pitchcircle diameter fixing holes inner ring 195 mm
ni Number of fixing holes in inner ring 12
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 80 °C
Ca Basic dynamic load rating, axial 129.000 N
C0a Basic static load rating, axial 280.000 N
Cr Basic dynamic load rating, radial (for radial load only) 92.000 N
C0r Basic static load rating, radial (for radial load only) 138.000 N
VSPmax Maximum bearing preload 0,02 mm
VSPmin Min. bearing preload 0 mm
Fr zul Max. radial load fixing screws (friction locking) 53.000 N
Gearing Normalized gear teeth on bearing ring N