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since the self-aligning ball bearing1228-m

according to the main dimensions of the din 630 standard

d140 mm mm
d250 mm
b50 mm
mmd1
d1
da max236 mm
175 mm
da min154 mm
ra max2,5 mm
rminmin3 mm
m11,2 kg
weight
cr163000 n
basic rated dynamic load, radial
e0,21
y13,05
y24,71
c0r74000 n
basic rated static load, radial
y03,19
ng4300 1/min
limit speed
nb4950 1/min
reference speed
cur3300 n
fatigue limit load, radial
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