ZARF90210-TV

Needle roller/axial cylindrical roller bearing

Needle roller/axial cylindrical roller bearings ZARF, double direction, for screw mounting

Display units

Metric

Imperial

Main Dimensions & Performance Data

d	90 mm	Bore diameter
D	210 mm	Outside diameter
H	110 mm	Hight
C_a	325,000 N	Basic dynamic load rating, axial
C_0a	1,030,000 N	Basic static load rating, axial
C_r	98,000 N	Basic dynamic load rating, radial
C_0r	210,000 N	Basic static load rating, radial
C_ua	95,000 N	Fatigue load limit, axial
C_ur	29,000 N	Fatigue load limit, radial
n_{G Oil}	1,800 1/min	Limiting speed for oil lubrication
n_{G Grease}	700 1/min	Limiting speed for grease lubrication
M_RL	10.5 Nm	Bearing friction torque
≈m	13.536 kg	Weight

Mounting dimensions

D_{a max}	161 mm	Maximum diameter of housing shoulder
d_{a min}	130 mm	Minimum diameter shaft shoulder
t₁	0.4 mm	Position bore in the housing

Dimensions

H₁	69.5 mm	Height outer ring over wave washer
C	32 mm	Width, outer ring
C₁	17.5 mm	Distance to lubrication hole
D₁	160 mm	Rip diameter shaft washer
B	22.5 mm	Width, inner ring
r_min	0.3 mm	Minimum chamfer dimension
r_{1 min}	1 mm	Minimum chamfer dimension
d₁	8 mm	Diameter lubrication hole
J	180 mm	Pitch circle diameter (holes)
n	16	Number of screwing holes
n x t	22.5 °	Split

Temperature range

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

Additional information

c_aL	7,700 N/µm	Rigidity axial
c_kL	14,500 Nm/mrad	Tilting stiffness
M_m	312 kg*cm2	Mass moment of inertia
	2 µm	Axial runout
radial	ZMA90/155	Recommended INA precision locknut for radial locking (not included)
axial	AM90	Recommended INA precision locknut for axial locking (not included)
M_A	960 Nm	Tightening torque nut
	100,669 N	Required locknut force
	M12	Screw size
n_a	16	Number of screws
na x ta	22.5 °	Division (screwing holes)

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