Bearings :RB17020
inner ring
d
mm :170
outer ring
D
mm :220
Roller pitch circle diameter
dp
mm :191
width
B B1
mm :20
Greasing hole
a-b :3.5-1.6
Chamfer
r(min) :1.5
Shoulder height
ds :184
Dh :198
Basic load rating（radial）
C
kN :29
C0
kN :62.1
weight
Kg :2.11
