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ZARN2557-TV

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ZARN2557-TV

Needle roller/axial cylindrical roller bearing

Needle roller/axial cylindrical roller bearings ZARN, double direction

Description

ZARN2557-TV

ZARN2557-TV

ZARN2557-TV

Metric

Imperial

Main Dimensions & Performance Data
d25 mmBore diameter
D57 mmOutside diameter
H50 mmHight
Ca35,500 NBasic dynamic load rating, axial
C0a86,000 NBasic static load rating, axial
Cr22,600 NBasic dynamic load rating, radial
C0r36,000 NBasic static load rating, radial
Cua7,300 NFatigue load limit, axial
Cur5,200 NFatigue load limit, radial
nG Oil6,000 1/minLimiting speed for oil lubrication
nG Grease1,900 1/minLimiting speed for grease lubrication
MRL0.55 NmBearing friction torque
≈m0.565 kgWeight
Mounting dimensions
Da max48 mmMaximum diameter of housing shoulder
da min39 mmMinimum diameter shaft shoulder
Dimensions
H135 mmHeight outer ring over wave washer
C20 mmWidth, outer ring
D147 mmRip diameter shaft washer
B10 mmWidth, inner ring
rmin0.3 mmMinimum chamfer dimension
r1 min0.6 mmMinimum chamfer dimension
Temperature range
Tmin-30 °COperating temperature min.
Tmax120 °COperating temperature max.
Additional information
caL1,900 N/µmRigidity axial
ckL350 Nm/mradTilting stiffness
Mm0.989 kg*cm2Mass moment of inertia
1 µmAxial runout
radialZMA25/45 Recommended INA precision locknut for radial locking (not included)
axialAM25 Recommended INA precision locknut for axial locking (not included)
MA25 NmTightening torque nut
9,745 NRequired locknut force
Your current product variant
CageTVPlastic Cage made from PA66

Characteristics

clusteriteminfo.radialloadtranslation
clusteriteminfo.axialloadinonedirectiontranslation
clusteriteminfo.axialloadintwodirectionstranslation
clusteriteminfo.greaselubricationtranslation
clusteriteminfo.oillubricationtranslation
clusteriteminfo.notsealedtranslation

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