External dimensions(mm)
d | 42.862 |
D | 82.931 |
T | 23.812 |
B | 25.4 |
C | 19.05 |
Inner ring γ(minimum) | 2.3 |
Outer Ring γ(minimum) | 0.8 |
Bearing code
Inner ring | 25578 |
Outer Ring | 25520 |
Installation size (mm)
da | 53 |
db | 49.5 |
da | 74 |
db | 77 |
Inner circle γa(maximum) | 2.3 |
Outer circle γa(maximum) | 0.8 |
Location of
action point(mm)
weight(kg)
(refer to)
Inner ring | 0.383 |
Outer Ring | 0.203 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways