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  12. 1220-K-M-C3
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1220-K-M-C3

Self-aligning ball bearing
Self-aligning ball bearing 12..-K-M, tapered bore taper 1:12, solid brass cage
Replaces
1220K.M.C3
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​
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1220-K-M-C3
1220-K-M-C3
1220-K-M-C3
Main Dimensions & Performance Data
d
100 mm
Bore diameter
D
180 mm
Outside diameter
B
34 mm
Width
Cr
70,000 N
Basic dynamic load rating, radial
C0r
29,500 N
Basic static load rating, radial
Cur
1,590 N
Fatigue load limit, radial
nG
6,000 1/min
Limiting speed
nϑr
4,500 1/min
Reference speed
≈m
3.833 kg
Weight
Mounting dimensions
da min
112 mm
Minimum diameter shaft shoulder
da max
124 mm
Maximum diameter shaft shoulder
Da max
168 mm
Maximum diameter of housing shoulder
db min
106 mm
Minimum cavity diameter of the sleeve
Ba min
7 mm
Minimum cavity width of the sleeve
ra max
2.1 mm
Maximum fillet radius
Dimensions
rmin
2.1 mm
Minimum chamfer dimension
D1
155.2 mm
Shoulder diameter outer ring
d1
127.3 mm
Shoulder diameter inner ring
Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
150 °C
Operating temperature max.
Calculation factors
e
0.18
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y1
3.58
Dynamic axial load factor
Y2
5.53
Dynamic axial load factor
Y0
3.75
Static axial load factor
Additional information
H220
Adapter sleeve

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Schaeffler Group USA Inc 308 Springhill Farm Fort Mill, SC

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