ZARF75185-TV

Needle roller/axial cylindrical roller bearing

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

Display units

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Imperial

Main Dimensions & Performance Data

d	75 mm	Bore diameter
D	185 mm	Outside diameter
H	100 mm	Hight
C_a	290,000 N	Basic dynamic load rating, axial
C_0a	890,000 N	Basic static load rating, axial
C_r	81,000 N	Basic dynamic load rating, radial
C_0r	132,000 N	Basic static load rating, radial
C_ua	85,000 N	Fatigue load limit, axial
C_ur	19,100 N	Fatigue load limit, radial
n_{G Oil}	2,100 1/min	Limiting speed for oil lubrication
n_{G Grease}	700 1/min	Limiting speed for grease lubrication
M_RL	8 Nm	Bearing friction torque
≈m	8.716 kg	Weight

Mounting dimensions

D_{a max}	136 mm	Maximum diameter of housing shoulder
d_{a min}	113 mm	Minimum diameter shaft shoulder
t₁	0.4 mm	Position bore in the housing

Dimensions

H₁	62 mm	Height outer ring over wave washer
C	27 mm	Width, outer ring
C₁	15 mm	Distance to lubrication hole
D₁	135 mm	Rip diameter shaft washer
B	21 mm	Width, inner ring
r_min	0.3 mm	Minimum chamfer dimension
r_{1 min}	1 mm	Minimum chamfer dimension
d₁	6 mm	Diameter lubrication hole
J	155 mm	Pitch circle diameter (holes)
n	12	Number of screwing holes
n x t	30 °	Split

Temperature range

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

Additional information

c_aL	6,600 N/µm	Rigidity axial
c_kL	8,500 Nm/mrad	Tilting stiffness
M_m	149 kg*cm2	Mass moment of inertia
	2 µm	Axial runout
radial	ZMA75/125	Recommended INA precision locknut for radial locking (not included)
axial	AM75	Recommended INA precision locknut for axial locking (not included)
M_A	580 Nm	Tightening torque nut
	72,971 N	Required locknut force
	M12	Screw size
n_a	12	Number of screws
na x ta	30 °	Division (screwing holes)

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