Bearings :RB30040
inner ring
d
mm :300
outer ring
D
mm :405
Roller pitch circle diameter
dp
mm :351.6
width
B B1
mm :40
Greasing hole
a-b :6-3.5
Chamfer
r(min) :2.5
Shoulder height
ds :326
Dh :377
Basic load rating（radial）
C
kN :212
C0
kN :409
weight
Kg :17.2
