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FAG
K3984-H
Tapered roller bearing K3984-H
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Main Dimensions & Performance Data
d
66.675 mm
Bore diameter
B
30.048 mm
Width, inner ring
Cr
113,000 N
Basic dynamic load rating, radial
C0r
176,000 N
Basic static load rating, radial
Cur
22,000 N
Fatigue load limit, radial
nG
5,040 1/min
Limiting speed
≈m
0.76 kg
Weight

Mounting dimensions
da max
74 mm
Maximum diameter of shaft shoulder
db min
80 mm
Minimum diameter of shaft shoulder
CRa min
2 mm
Minimum axial space
CRb max
1.5 mm
Maximum axial space
ra max
3.6 mm
Maximum fillet radius of shaft

Dimensions
r1, 2 min
3.6 mm
Minimum chamfer dimension of inner ring back face
a
27 mm
Distance between the apexes of the pressure cones
d1
89 mm
Guidance rib diameter of inner ring
T1
30.162 mm
Width, total of inner subunit assembled with a master outer ring
E
91.353 mm
Inside diameter of outer ring back face
α
15 °
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, window cage, roller-guided
Quality levelHH
Number of rolling element rows1Single-row design
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