Product number:

ZARN 2557 TV-A

Brand:

Product name:

bearing

Sizes:

25X57X50

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ZARN2557-TV INA

Needle roller/axial cylindrical roller bearings ZARN, double direction

d	Bore diameter	25 mm
D	Outside diameter	57 mm
H	Hight	50 mm
Ca	Basic dynamic load rating, axial	35.500 N
C0a	Basic static load rating, axial	86.000 N
Cr	Basic dynamic load rating, radial	22.600 N
C0r	Basic static load rating, radial	36.000 N
Cua	Fatigue load limit, axial	7.300 N
Cur	Fatigue load limit, radial	5.200 N
nG Oil	Limiting speed for oil lubrication	6.000 1/min
nG Grease	Limiting speed for grease lubrication	1.900 1/min
MRL	Bearing friction torque	0,55 Nm
≈m	Weight	0,565 kg
Da max	Maximum diameter of housing shoulder	48 mm
da min	Minimum diameter shaft shoulder	39 mm
H1	Height outer ring over wave washer	35 mm
C	Width, outer ring	20 mm
D1	Rip diameter shaft washer	47 mm
B	Width, inner ring	10 mm
rmin	Minimum chamfer dimension	0,3 mm
r1 min	Minimum chamfer dimension	0,6 mm
Tmin	Operating temperature min.	-30 °C
Tmax	Operating temperature max.	120 °C
caL	Rigidity axial	1.900 N/µm
ckL	Tilting stiffness	350 Nm/mrad
Mm	Mass moment of inertia	0,989 kg * cm²
radial	Recommended INA precision locknut for radial locking (not included)	ZMA25/45
axial	Recommended INA precision locknut for axial locking (not included)	AM25
MA	Tightening torque nut	25 Nm
Cage	plastic cage	TV