Bearings :RB20030
inner ring
d
mm :200
outer ring
D
mm :280
Roller pitch circle diameter
dp
mm :240
width
B B1
mm :30
Greasing hole
a-b :4.5-3
Chamfer
r(min) :2
Shoulder height
ds :221
Dh :258
Basic load rating（radial）
C
kN :114
C0
kN :200
weight
Kg :6.7
