21306MB,21306MBK
Double-row spherical roller be | 2019-12-03 11:43Main dimensions | |||
d | mm | ||
D | 72 | mm | |
B | 19 | mm | |
r( minimum) | 1.1 | mm |
basic load rating | |||
Cr | 52.8 | kN | |
C0r | 51.8 | kN |
limit speed | |||
Grease lubrication | 5800 | min-1 | |
oil lubrication | 7800 | min-1 |
Nominal model | |||
Cylindrical hole | 21306MB | ||
Conical hole | 21306MBK | min-1 |
Installation related dimensions | |||
da(minimum) | 37 | mm | |
Da(maximum) | 65 | mm | |
ra(maximum) | 1 | mm |
constant | |||
e | 0.29 |
Axial load factor | |||
Y1 | 2.32 | mm | |
Y2 | 3.45 | mm | |
Y0 | 2.26 | mm |
reference quality | |||
Cylindrical hole | 0.39 | kg | |
Conical hole | 0.38 | kg |