XA120235-N INA Catalog

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