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FAG
K681-A-W215B
Tapered roller bearing K681-A-W215B
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Main Dimensions & Performance Data
d
92.075 mm
Bore diameter
B
41.275 mm
Width, inner ring
Cr
226,000 N
Basic dynamic load rating, radial
C0r
350,000 N
Basic static load rating, radial
Cur
41,500 N
Fatigue load limit, radial
nG
4,100 1/min
Limiting speed
nϑr
3,000 1/min
Thermal speed rating
≈m
2.672 kg
Weight

Mounting dimensions
da max
104 mm
Maximum diameter of shaft shoulder
db min
116 mm
Minimum diameter of shaft shoulder
CRa min
7 mm
Minimum axial space
CRb max
0.1 mm
Maximum axial space
ra max
6.4 mm
Maximum fillet radius of shaft

Dimensions
r1, 2 min
6.4 mm
Minimum chamfer dimension of inner ring back face
a
38 mm
Distance between the apexes of the pressure cones
d1
133.2 mm
Guidance rib diameter of inner ring
T1
41.275 mm
Width, total of inner subunit assembled with a master outer ring
E
137.346 mm
Inside diameter of outer ring back face
α
17.4 °
Contact angle

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
200 °C
Operating temperature max.

Calculation factors
e
0.47
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y
1.28
Dynamic axial load factor
Y0
0.7
Static axial load factor

Your current product variant
Tolerance classABMA4Class 4 (ANSI/ABMA 19.2:2013)
Heat treatmentW215BBainitic hardened
CageStandardSheet steel cage, window cage, roller-guided
Quality level0
Number of rolling element rows1Single-row design
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