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FAG INA Schaeffler

INA

VU300574-ZT

Slewing Ring, Four Point contact bearing, without gear teeth VU300574-ZT

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Main Dimensions & Performance Data

d_i	468 mm	Inner diameter inner ring
	0.8 mm	Inner diameter inner ring lower tolerance
	0.8 mm	Inner diameter inner ring upper tolerance
d_iZT	470 mm	Diameter centring inner ring
	IT8	Diameter centring inner ring tolerance
H	68 mm	Height
D_a	680 mm	Outside Diameter
	0.8 mm	Outside diameter lower tolerance
	0.8 mm	Outside diameter upper tolerance
D_{a ZT}	678 mm	Centring diameter outer ring
	-IT8	Diameter centring outer ring tolerance
T	10 mm	Length centering outer ring
t	10 mm	Length centering inner ring
h_a	61 mm	Width outer ring
h_i	61 mm	Width inner ring
	0.08 mm	Normal radial clearance min.
	0.3 mm	Normal radial clearance max.
	0.13 mm	Normal axial clearance min.
	0.49 mm	Normal axial clearance max.
≈m	79 kg	Weight

Dimensions

D_i	572 mm	Inner diameter outer ring
d_a	576 mm	Outside diameter inner ring
d_B	22 mm	Fixing bore
L_a	640 mm	Pitchcircle diameter fixing holes outer ring
n_a	20	Number of fixing holes in outer ring
L_i	508 mm	Pitchcircle diameter fixing holes inner ring
n_i	20	Number of fixing holes in inner ring
F_{r zul}	242,000 N	Max. radial load fixing screws (friction locking)

Temperature range

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

Calculation factors

C_a	425,000 N	Basic dynamic load rating, axial
C_0a	1,510,000 N	Basic static load rating, axial
C_r	385,000 N	Basic dynamic load rating, radial (for radial load only)
C_0r	690,000 N	Basic static load rating, radial (for radial load only)

Your current product variant

Centering	ZT	Centering on inner and outer ring

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