VLI200544-N INA Catalog

Four point contact bearings, light series 20, internal gear teeth, lip seals on both sides

d1	Bore Diameter	444 mm
H	Height	56 mm
Da	Outside Diameter	648 mm
hf	height of flange	12 mm
ha	Width outer ring	44,5 mm
hi	Width inner ring	44,5 mm
≈m	Weight	39,84 kg
La	Pitchcircle diameter fixing holes outer ring	620 mm
na	Number of fixing holes in outer ring	10
dB	Fixing bore	18 mm
da	Outside diameter inner ring	542,5 mm
Li	Pitchcircle diameter fixing holes inner ring	505 mm
dBi	Tread fixing bore	M12
Gl	Thread depth fixing hole	20 mm
ni	Number of fixing holes in inner ring	16
Fr zul	Max. radial load fixing screws (friction locking)	67.000 N
m	Modul of gearing	6 mm
z	Number of teeth	76
d0	Pitch circle diameter gearing	456 mm
hA	Ring cross section	20 mm
Fz norm	Max. tooth force root fatigue strenght (at a shock factor of 1,2)	23.700 N
Fz max	Max. tooth force against tooth fracture (at a shock factor of 1,35)	35.000 N
Tmin	Operating temperature min.	-25 °C
Tmax	Operating temperature max.	80 °C
Ca	Basic dynamic load rating, axial	152.000 N
C0a	Basic static load rating, axial	385.000 N
Cr	Basic dynamic load rating, radial (for radial load only)	138.000 N
C0r	Basic static load rating, radial (for radial load only)	144.000 N
Gearing	Normalized gear teeth on bearing ring	N
Radial internal clearance	standard radial clearance 0 to 0,5 and axial tilting clearance 0 to 0,7