NNU 49/670 B/SPW33X - Super Precision Cylindrical Roller Bearings

model	NNU 49/670 B/SPW33X
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	670 mm
Inner Diameter Tolerance	-0.045mm to 0
Outer Diameter	900 mm
Outer Diameter Tolerance	-0.050mm to 0
Width	230 mm
Width Tolerance	-0.75mm to 0
Outer ring shoulder diameter	821.2 mm
Raceway Diameter Inner Ring	738 mm
Annular lubrication groove outer ring width（b1）	22.3 mm
Diameter Lubrication Hole (outer Ring) (K)	12 mm
Outer ring chamfer size(r1,2)(min)	6 mm
Allowable Axial Displacement (Max)	6 mm
Ferrule Material	51200 Chrome steel
Roller material	51200 Chrome steel
Dynamic Radial Load	4950 kN
Static Radial Load	13700 kN
Max Speed(X1000 rpm)	1
Lubricant	Grease、Engine Oil
Temperature Range	-30° to 110 °C
RoHS Standard	Conform
REACH Standard	Conform
Weight	410 kg

Information