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YRTA395

Axial/radial roller bearing

Axial/radial bearings, double direction, for screw mounting, for Automation applications

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Main Dimensions & Performance Data

d	395 mm	Bore diameter
	0 mm	Bore diameter upper tolerance
	-0.03 mm	Bore diameter lower tolerance
D	525 mm	Outside diameter
	0 mm	Outside diameter upper tolerance
	-0.038 mm	Outside diameter lower tolerance
H	65 mm	Height
C_r	51,000 N	Basic dynamic load rating, radial
C_0r	305,000 N	Basic static load rating, radial
C_a	234,000 N	Basic dynamic load rating, axial
C_0a	2,190,000 N	Basic static load rating, axial
n_G	90 1/min	Limiting speed
M_R	35 Nm	Bearing friction torque at 5 1/min

Mounting dimensions

D₂	430.8 mm	Diameter of recess for fixing holes
J	415 mm	Pitch circle diameter fixing holes in inner ring
J₁	505 mm	Pitch circle diameter fixing holes in outer ring
d₁	9.3 mm	Fixing holes diameter inner ring
a	8.2 mm	Counterbore depth of fixing holes
	46	Quantity of fixing holes inner ring
d₃	9.3 mm	Fixing holes diameter outer ring
	45	Quantity of fixing holes outer ring
n	48	Pitch quantity
t	7.5 °	Pitch separation angle
G	M12	Threaded extraction hole
	3	Quantity of threaded extraction hole
M_A	34 Nm	Screw tightening torque
t₁	8 µm	Axial and radial runout, measurement standard; Measured on mounted bearing, with ideal adjacent construction.

Dimensions

H₁	42.5 mm	Height contact face outer ring
	0.05 mm	Height contact face outerring H1 upper tolerance
	-0.05 mm	Height contact face outerring H1 lower tolerance
H₂	22.5 mm	Height contact face outer ring
D_{1 max}	486 mm	Maximum diameter inner ring
C	20 mm	Width of outer ring

Temperature range

T_min	-30 °C	Operating temperature min.
T_max	120 °C	Operating temperature max.

Additional information

c_aL	9,900 N/µm	Axial rigidity of bearing position
c_rL	5,800 N/µm	Radial rigidity of bearing position
c_kL	280,000 Nm/mrad	Tilting rigidity of bearing position
c_aL	37,000 N/µm	Axial rigidity of rolling element set
c_rL	25,000 N/µm	Radial rigidity of rolling element set
c_kL	909,000 Nm/mrad	Tilting rigidity of rolling element set

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