NNU 4992 B/SPW33 - Super Precision Cylindrical Roller Bearings

model	NNU 4992 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	460 mm
Inner Diameter Tolerance	-0.028mm to 0
Outer Diameter	620 mm
Outer Diameter Tolerance	-0.028mm to 0
Width	160 mm
Width Tolerance	-0.45mm to 0
Outer ring shoulder diameter	567 mm
Raceway Diameter Inner Ring	510 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
Allowable Axial Displacement (Max)	3.2 mm
Ferrule Material	51200 Chrome steel
Roller material	51200 Chrome steel
Dynamic Radial Load	2090 kN
Static Radial Load	5500 kN
Max Speed(X1000 rpm)	1
Lubricant	Grease、Engine Oil
Temperature Range	-30° to 110 °C
RoHS Standard	Conform
REACH Standard	Conform
Weight	142 kg

Information