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ZKLN2557-2RS-XL
Axial angular contact ball bearing ZKLN2557-2RS-XL
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Main Dimensions & Performance Data
d
25 mm
Bore diameter
0 mm
Bore diameter upper tolerance
-0.005 mm
Bore diameter lower tolerance
D
57 mm
Outside diameter
0 mm
Outside diameter upper tolerance
-0.01 mm
Outside diameter lower tolerance
B
28 mm
Width
0 mm
Width upper tolerance
-0.25 mm
Width lower tolerance
Ca
30,500 N
Basic dynamic load rating, axial
C0a
55,000 N
Basic static load rating, axial
Cua
3,350 N
Fatigue load limit, axial
nG Grease
5,700 1/min
Limiting speed for grease lubrication
nϑ
2,600 1/min
Thermally safe operating speed
MR
0.4 Nm
Bearing frictional torque
≈m
0.354 kg
Weight

Mounting dimensions
Da max
48 mm
Maximum diameter of housing
da min
32 mm
Minimum diameter shaft

Dimensions
d1
40.5 mm
Rib diameter inner ring
rmin
0.3 mm
Minimum chamfer dimension
r1 min
0.6 mm
Minimum chamfer dimension
α
60 °
Contact angle

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
120 °C
Operating temperature max.

Additional information
caL
750 N/µm
Rigidity axial
ckL
200 Nm/mrad
Tilting rigidity
Mm
0.486 kg*cm2
Mass moment of inertia
2 µm
Axial runout
ZM25
Recommended INA precision locknut for radial locking
AM25
Recommended INA precision locknut for axial locking
MA
25 Nm
Tightening torque for the recommended INA precision locknut
9,123 N
Required locknut force axial

Your current product variant
Sealing2RSContact lip seals on both sides
Tolerance classStandard
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