VA250309-N INA

Slewing ring, four Point contact bearings, external gear

di	Bore Diameter	235 mm
H	Height	60 mm
Da	Outside Diameter	408,4 mm
Di ZT	Diameter centring outer ring	310 mm
T	Length centering outer ring	3
t	Length centering inner ring	8
ha	Width outer ring	52,5 mm
hi	height of individual ring	52,5 mm
≈m	Weight	29,5 kg
da	Outside diameter inner ring	310 mm
ni	Number of fixing holes in inner ring	24
Li	Pitchcircle diameter fixing holes inner ring	259 mm
dB	Fixing bore	13 mm
na	Number of fixing holes in outer ring	24
La	Pitchcircle diameter fixing holes outer ring	359 mm
Fr zul	Max. radial load fixing screws (friction locking)	86.000 N
d0	Pitch circle diameter gearing	400 mm
m	Modul of gearing	5 mm
z	Number of teeth	80
b	Width gearing	52,5 mm
Fz norm	Max. tooth force root fatigue strenght (at a shock factor of 1,2)	12.900 N
Fz max	Max. tooth force against tooth fracture (at a shock factor of 1,35)	18.800 N
Tmin	Operating temperature min.	-25 °C
Tmax	Operating temperature max.	80 °C
Ca	Basic dynamic load rating, axial	255.000 N
C0a	Basic static load rating, axial	640.000 N
Cr	Basic dynamic load rating, radial (for radial load only)	232.000 N
C0r	Basic static load rating, radial (for radial load only)	295.000 N
Gearing	Normalized gear teeth on bearing ring	N