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FAG
K21075
Tapered roller bearing K21075
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Main Dimensions & Performance Data
d
19.05 mm
Bore diameter
B
21.839 mm
Width, inner ring
Cr
38,500 N
Basic dynamic load rating, radial
C0r
36,500 N
Basic static load rating, radial
Cur
4,350 N
Fatigue load limit, radial
nG
14,900 1/min
Limiting speed
nϑr
12,200 1/min
Thermal speed rating
≈m
156 g
Weight

Mounting dimensions
da max
25 mm
Maximum diameter of shaft shoulder
db min
28 mm
Minimum diameter of shaft shoulder
CRa min
4.4 mm
Minimum axial space
CRb max
0.3 mm
Maximum axial space
ra max
1.5 mm
Maximum fillet radius of shaft

Dimensions
r1, 2 min
1.5 mm
Minimum chamfer dimension of inner ring back face
a
17 mm
Distance between the apexes of the pressure cones
d1
37.1 mm
Guidance rib diameter of inner ring
T1
22.225 mm
Width, total of inner subunit assembled with a master outer ring
E
37.13 mm
Inside diameter of outer ring back face
α
21.5 °
Contact angle

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

Calculation factors
e
0.59
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y
1.02
Dynamic axial load factor
Y0
0.56
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 level0
Number of rolling element rows1Single-row design
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