NN 3028 K/SPW33VR5220 - Super Precision Cylindrical Roller Bearings

model	NN 3028 K/SPW33VR5220
Metering system	Metric system
Roller Bearing Type	Cylindrical
Aperture type	conical hole, taper1:12
Load Direction	Radial force and axial force
Structure	Double row
Seal Type	Open
Inside Diameter	140 mm
Inner Diameter Tolerance	0 to +0.025mm
Outer Diameter	210 mm
Outer Diameter Tolerance	-0.015mm to 0
Width	53 mm
Width Tolerance	-0.25mm to 0
Annular lubrication groove outer ring width（b1）	8.75 mm
Diameter Lubrication Hole (outer Ring) (K)	4.5 mm
Outer ring chamfer size(r1,2)(min)	2 mm
Inner ring chamfer size (r3 4) (min)	1.1 mm
Allowable Axial Displacement (Max)	2.5 mm
Ferrule Material	51200 Chrome steel
Roller material	51200 Chrome steel
Dynamic Radial Load	297 kN
Static Radial Load	520 kN
Max Speed(X1000 rpm)	5
Lubricant	Grease、Engine Oil
Temperature Range	-30° to 110 °C
RoHS Standard	Conform
REACH Standard	Conform
Weight	6.15 kg

Information