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FAG
K25581-DY
Tapered roller bearing K25581-DY
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Main Dimensions & Performance Data
d
44.45 mm
Bore diameter
B
25.4 mm
Width, inner ring
Cr
77,000 N
Basic dynamic load rating, radial
C0r
100,000 N
Basic static load rating, radial
Cur
12,800 N
Fatigue load limit, radial
≈m
0.347 kg
Weight

Mounting dimensions
da max
51 mm
Maximum diameter of shaft shoulder
db min
55 mm
Minimum diameter of shaft shoulder
CRa min
2.9 mm
Minimum axial space
CRb max
0.2 mm
Maximum axial space
ra max
0.5 mm
Maximum fillet radius of shaft

Dimensions
r1, 2 min
0.5 mm
Minimum chamfer dimension of inner ring back face
a
20 mm
Distance between the apexes of the pressure cones
d1
62.6 mm
Guidance rib diameter of inner ring
T1
23.812 mm
Width, total of inner subunit assembled with a master outer ring
E
67.397 mm
Inside diameter of outer ring back face
α
12.6 °
Contact angle

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

Your current product variant
Tolerance classABMA4Class 4 (ANSI/ABMA 19.2:2013)
Heat treatmentStandard
CageStandardSheet steel cage, roller-guided
Internal designStandard
Quality levelStandard
Number of rolling element rows1Single-row design
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