NNU 4980 B/SPW33 - Super Precision Cylindrical Roller Bearings

model	NNU 4980 B/SPW33
Metering system	Metric system
Roller Bearing Type	Cylindrical
Aperture type	Cylindrical bore
Load Direction	Radial force and axial force
Structure	Double row
Seal Type	Open
Inside Diameter	400 mm
Inner Diameter Tolerance	-0.023mm to 0
Outer Diameter	540 mm
Outer Diameter Tolerance	-0.028mm to 0
Width	140 mm
Width Tolerance	-0.40mm to 0
Outer ring shoulder diameter	490.8 mm
Raceway Diameter Inner Ring	446 mm
Annular lubrication groove outer ring width（b1）	16.7 mm
Diameter Lubrication Hole (outer Ring) (K)	9 mm
Outer ring chamfer size(r1,2)(min)	4 mm
Inner ring chamfer size (r3 4) (min)	4 mm
Allowable Axial Displacement (Max)	5.5 mm
Ferrule Material	51200 Chrome steel
Roller material	51200 Chrome steel
Dynamic Radial Load	1470 kN
Static Radial Load	3800 kN
Max Speed(X1000 rpm)	2
Lubricant	Grease、Engine Oil
Temperature Range	-30° to 110 °C
RoHS Standard	Conform
REACH Standard	Conform
Weight	88 kg

Information