YRTC120-XL

Axial/radial roller bearing

Axial/radial bearings, double direction, for screw mounting

Two retaining screws

Display units

Metric

Imperial

Main Dimensions & Performance Data

d	120 mm	Bore diameter
	0 mm	Bore diameter upper tolerance
	-0.01 mm	Bore diameter lower tolerance
D	210 mm	Outside diameter
	0 mm	Outside diameter upper tolerance
	-0.015 mm	Outside diameter lower tolerance
H	40 mm	Height
C_r	69,000 N	Basic dynamic load rating, radial
C_0r	124,000 N	Basic static load rating, radial
C_a	112,000 N	Basic dynamic load rating, axial
C_0a	520,000 N	Basic static load rating, axial
n_G	900 1/min	Limiting speed
M_R	4 Nm	Bearing friction torque at 5 1/min
≈m	4.56 kg	Weight

Mounting dimensions

J	135 mm	Pitch circle diameter fixing holes in inner ring
J₁	195 mm	Pitch circle diameter fixing holes in outer ring
d₁	7 mm	Fixing holes diameter inner ring
d₂	11 mm	Counterbore diameter of fixing holes
a	6.2 mm	Counterbore depth of fixing holes
	22	Quantity of fixing holes inner ring
d₃	7 mm	Fixing holes diameter outer ring
	21	Quantity of fixing holes outer ring
n	24	Pitch quantity
t	15 °	Pitch separation angle
G	M8	Threaded extraction hole
	3	Quantity of threaded extraction hole
M_A	14 Nm	Screw tightening torque
	2	Quantity of retaining screws
t₁	3 µm	Axial and radial runout, measurement standard; Measured on mounted bearing, with ideal adjacent construction.

Dimensions

H₁	26 mm	Height contact face outer ring
	0.025 mm	Height contact face outerring H1 upper tolerance
	-0.025 mm	Height contact face outerring H1 lower tolerance
H₂	14 mm	Height contact face outer ring
	0.2 mm	Height contact face outerring H2 upper tolerance
	-0.2 mm	Height contact face outerring H2 lower tolerance
D_{1 max}	185 mm	Maximum bord diameter inner ring
C	12 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	2,900 N/µm	Axial rigidity of bearing position
c_rL	2,600 N/µm	Radial rigidity of bearing position
c_kL	11,200 Nm/mrad	Tilting rigidity of bearing position
c_aL	9,800 N/µm	Axial rigidity of rolling element set
c_rL	4,000 N/µm	Radial rigidity of rolling element set
c_kL	35,500 Nm/mrad	Tilting rigidity of rolling element set

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Characteristics

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