NN 3068 K/SPW33 - Super Precision Cylindrical Roller Bearings

model	NN 3068 K/SPW33
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	340 mm
Inner Diameter Tolerance	0 to +0.040mm
Outer Diameter	520 mm
Outer Diameter Tolerance	-0.028mm to 0
Width	133 mm
Width Tolerance	-0.40mm to 0
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)	5 mm
Inner ring chamfer size (r3 4) (min)	2.5 mm
Allowable Axial Displacement (Max)	10.9 mm
Ferrule Material	51200 Chrome steel
Roller material	51200 Chrome steel
Dynamic Radial Load	1650 kN
Static Radial Load	3250 kN
Max Speed(X1000 rpm)	2
Lubricant	Grease、Engine Oil
Temperature Range	-30° to 110 °C
RoHS Standard	Conform
REACH Standard	Conform
Weight	94.5 kg

Information