VLI200544-N

Slewing ring, Four Point contact bearing, internal gear teeth

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

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Main Dimensions & Performance Data

d₁	444 mm	Bore Diameter
H	56 mm	Height
D_a	648 mm	Outside Diameter
	-0.5 mm	Outside diameter lower tolerance
	0 mm	Outside diameter upper tolerance
	-IT8 mm	Diameter centring outer ring tolerance
h_f	12 mm	height of flange
h_a	44.5 mm	Width outer ring
h_i	44.5 mm	Width inner ring
≈m	39.84 kg	Weight

Dimensions

D_i	545.5 mm	Inner diameter outer ring
	0.5 mm	Inner diameter outer ring upper tolerance
	0 mm	Inner diameter outer ring lower tolerance
L_a	620 mm	Pitchcircle diameter fixing holes outer ring
n_a	10	Number of fixing holes in outer ring
d_B	18 mm	Fixing bore
d_a	542.5 mm	Outside diameter inner ring
	0 mm	Outside diameter inner ring upper tolerance
	-0.5 mm	Outside diameter inner ring lower tolerance
L_i	505 mm	Pitchcircle diameter fixing holes inner ring
d_Bi	M12	Tread fixing bore
G_l	20 mm	Thread depth fixing hole
n_i	16	Number of fixing holes in inner ring
F_{r zul}	66,100 N	Max. radial load fixing screws (friction locking)
m	6 mm	Modul of gearing
z	76	Number of teeth
d₀	456 mm	Pitch circle diameter gearing
h_A	20 mm	Ring cross section
F_{z norm}	23,700 N	Max. tooth force root fatigue strenght (at a shock factor of 1,2)
F_{z max}	35,000 N	Max. tooth force against tooth fracture (at a shock factor of 1,35)

Temperature range

T_min	-25 °C	Operating temperature min.
T_max	80 °C	Operating temperature max.

Calculation factors

C_a	152,000 N	Basic dynamic load rating, axial
C_0a	385,000 N	Basic static load rating, axial
C_r	138,000 N	Basic dynamic load rating, radial (for radial load only)
C_0r	144,000 N	Basic static load rating, radial (for radial load only)

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Gearing	N	Normalized gear teeth on bearing ring
Radial internal clearance		standard radial clearance 0 to 0,5 and axial tilting clearance 0 to 0,7

Characteristics

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