Bearings :RB25030
inner ring
d
mm :250
outer ring
D
mm :330
Roller pitch circle diameter
dp
mm :287.5
width
B B1
mm :30
Greasing hole
a-b :4.5-3
Chamfer
r(min) :2.5
Shoulder height
ds :269
Dh :306
Basic load rating（radial）
C
kN :126
C0
kN :244
weight
Kg :8.1
