Back
Single Row Cylindrical Roller Bearings
Single Row Cylindrical Roller Bearings
QDY
Single Row Cylindrical Roller Bearings
QDY
Printable Page
Dimension and Parameters
- Bearing NO.
-
New :NU20/670
-
Old :20321/670
- Boundary dimensions(mm)
-
d :670
-
D :980
-
B :180
-
r 1.2min :7.5
-
r3、4min :7.5
-
Fw :746
-
Ew :
- Basic load ratings(kN)
-
Cr :5160
-
Cor :9800
- Limiting speed(rpm)
-
Grease :430
-
Oil :500
- Abutment and fillet dimensions(mm)
-
da min :
-
db min :703
-
Da max :947
-
Db max :
-
ra max :6
-
rb max :6
- Weight (kg)
-
Refer :480
