Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications13 parameters

Core specifications
Parameter	Symbol	Value
Series		NN3048
Bore diameter	d	240 mm
Outside diameter	D	360 mm
Width	B	92 mm
Basic dynamic load rating	C	840 kN
Basic static load rating	C0	1580 kN
Fatigue load limit	Pu	177 kN
Mass	≈m	30.8 kg
Precision class		SP — Tolerance class SP
Internal clearance		C1 (Group 1) — Internal clearance smaller than C2
Cage		M — Brass Cage
Minimum operating temperature	Tmin	-30 °C
Maximum operating temperature	Tmax	150 °C

Product characteristics6 parameters

Product characteristics
Parameter	Symbol	Value
Cage	M	Brass Cage
Tolerance class	SP	Tolerance class SP
Bore type	K	Tapered, taper 1:12
Change mark	A	Internal Variant A
Radial internal clearance	C1 (Group 1)	Internal clearance smaller than C2
Number of rows	2	Double-row design

Main Dimensions & Performance Data9 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	240 mm9.449 in
Outside diameter	D	360 mm14.173 in
Width	B	92 mm3.622 in
Basic dynamic load rating, radial	Cr	840,000 N188,848.921 lbf
Basic static load rating, radial	C0r	1,580,000 N355,215.827 lbf
Fatigue load limit, radial	Cur	177,000 N39,793.165 lbf
Limiting speed for grease lubrication	nG Grease	2,170 1/min
Limiting speed for oil lubrication	nG Oil	2,550 1/min
Mass	≈m	30.8 kg67.902 lbs

Mounting dimensions5 parameters

Mounting dimensions
Parameter	Symbol	Value
Diameter shaft shoulder	da	274 mm10.787 in
Diameter shaft shoulder tolerance		h12
Diameter of housing shoulder	Da	337 mm13.268 in
Shoulder diameter outer ring clearance		H12
Maximum recess radius	ra1 max	2.5 mm0.098 in

Dimensions5 parameters

Temperature range2 parameters

Temperature range
Parameter	Symbol	Value
Operating temperature min.	Tmin	-30 °C-22 °F
Operating temperature max.	Tmax	150 °C302 °F

Capabilities & suitability5 parameters

Capabilities & suitability
Parameter	Symbol	Value
Radial load capacity		Yes
Suitable for grease lubrication		Yes
Suitable for oil lubrication		Yes
Unsealed design		Yes
Largebearing		Yes

Manufacturer Identity9 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Super precision cylindrical roller bearings NN30..-AS-K-M-SP, non-locating bearing, double row, with tapered bore, taper 1:12, separable, with cage
Short Description		Cylindrical roller bearing

Technical Data18 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		240 mm
Outside Diamater (D)		360 mm
Total Width (B)		92 mm
Basic Dynamic Load Rating, Radial (Cr)		840,000 N
Basic Static Load Rating, Radial (C0R)		1,580,000 N
Diameter Lubrication Hole (Ds)		8 mm
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed For Grease Lubrication (Ng Grea)		2,170 1/min
Minimum Diameter Shaft Shoulder (Da)		274 mm
Limiting Speed (Ng Oil)		2,550 1/min
Operating Temperature Max. (Tmax)		150 °C
Maximum Diameter Of Housing Shoulder (Da)		337 mm
Minimum Chamfer Dimension (R1 Min)		3 mm
Width Of Lubricating Groove (Ns)		15 mm
Axial Displacement (S)		6.1 mm
Maximum Recess Radius (Ra1 Max)		2.5 mm
Raceway Diameter Outer Ring (E)		330 mm
Fatigue Load Limit, Radial (Cur)		177,000 N

FAG NN3048-AS-K-M-SP