Detailed description
FC5478220 four-row cylindrical roller bearing 270*390*220mm
Boundary dimensions(mm)
Basic load ratings (kN)
Speed rating
Designation
(rpm)
d
D
B
Fw
rmin
Cr
Cor
Grease
Oil
270
390
220
306
3
1840
5040
1000
1300
FC5478220
Quality advantages:
1. good quality bearing steel;
2. advanced heat treatment technique to enable high and even hardness and toughness;
3. high temperature back-fire to stabilize the bearing size;
4. P6 precision grade;
5. 100% detection for flaw before delivery.









