NN3056-AS-K-M-SP FAG Catalog

Super precision cylindrical roller bearings NN30..-AS-K-M-SP, non-locating bearing, double row, with tapered bore, taper 1:12, separable, with cage

d	Bore diameter	280 mm
D	Outside diameter	420 mm
B	Width	106 mm
Cr	Basic dynamic load rating, radial	1.090.000 N
C0r	Basic static load rating, radial	2.090.000 N
Cur	Fatigue load limit, radial	228.000 N
nG Grease	Limiting speed for grease lubrication	1.850 1/min
nG Oil	Limiting speed for oil lubrication	2.170 1/min
≈m	Weight	60,4 kg
da	diameter shaft shoulder	320 mm
Da	diameter of housing shoulder	392 mm
ra1 max	Maximum recess radius	3 mm
r1 min	Minimum chamfer dimension	4 mm
E	Raceway diameter outer ring	384 mm
ns	Width of lubricating groove	15 mm
ds	Diameter lubrication hole	8 mm
s	Axial displacement	6,9 mm
Tmin	Operating temperature min.	-30 °C
Tmax	Operating temperature max.	150 °C
Cage	Brass Cage	M
Tolerance class	tolerance class SP	SP
Bore design	Tapered	K
Change mark	A	A
Radial internal clearance	Group 1 (C1)	C1