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FAG
K399-A-DY
Tapered roller bearing K399-A-DY
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Main Dimensions & Performance Data
d
68.262 mm
Bore diameter
B
21.996 mm
Width, inner ring
Cr
83,000 N
Basic dynamic load rating, radial
C0r
108,000 N
Basic static load rating, radial
Cur
13,100 N
Fatigue load limit, radial
nG
6,600 1/min
Limiting speed
≈m
0.5 kg
Weight

Mounting dimensions
da max
74 mm
Maximum diameter of shaft shoulder
db min
83 mm
Minimum diameter of shaft shoulder
CRa min
5 mm
Minimum axial space
CRb max
0.1 mm
Maximum axial space
ra max
2.3 mm
Maximum fillet radius of shaft

Dimensions
r1, 2 min
2.3 mm
Minimum chamfer dimension of inner ring back face
a
21 mm
Distance between the apexes of the pressure cones
d1
86.9 mm
Guidance rib diameter of inner ring
T1
22 mm
Width, total of inner subunit assembled with a master outer ring
E
94.027 mm
Inside diameter of outer ring back face
α
14.98333 °
Contact angle

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

Calculation factors
e
0.4
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y
1.49
Dynamic axial load factor
Y0
0.82
Static axial load factor

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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