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since the self-aligning ball bearing1230-m

according to the main dimensions of the din 630 standard

d150 mm mm
d270 mm
b54 mm
mmd1
d1
da max256 mm
186,7 mm
da min164 mm
ra max2,5 mm
rminmin3 mm
m14,6 kg
weight
cr180000 n
basic rated dynamic load, radial
e0,22
y12,9
y24,49
c0r86000 n
basic rated static load, radial
y03,04
ng3800 1/min
limit speed
nb4550 1/min
reference speed
cur3700 n
fatigue limit load, radial
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