VLI200744-N INA Catalog

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

d1	Bore Diameter	648 mm
H	Height	56 mm
Da	Outside Diameter	848 mm
hf	height of flange	12 mm
ha	Width outer ring	44,5 mm
hi	Width inner ring	44,5 mm
≈m	Weight	51,51 kg
La	Pitchcircle diameter fixing holes outer ring	820 mm
na	Number of fixing holes in outer ring	12
dB	Fixing bore	18 mm
da	Outside diameter inner ring	742,5 mm
Li	Pitchcircle diameter fixing holes inner ring	705 mm
dBi	Tread fixing bore	M12
Gl	Thread depth fixing hole	20 mm
ni	Number of fixing holes in inner ring	20
Fr zul	Max. radial load fixing screws (friction locking)	96.000 N
m	Modul of gearing	6 mm
z	Number of teeth	110
d0	Pitch circle diameter gearing	660 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	171.000 N
C0a	Basic static load rating, axial	530.000 N
Cr	Basic dynamic load rating, radial (for radial load only)	155.000 N
C0r	Basic static load rating, radial (for radial load only)	197.000 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