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		NU2248
Bore diameter	d	240 mm
Outside diameter	D	440 mm
Width	B	120 mm
Basic dynamic load rating	C	1850 kN
Basic static load rating	C0	2800 kN
Fatigue load limit	Pu	295 kN
Reference speed	nref	900 r/min
Limiting speed	nG	2250 r/min
Mass	≈m	81.5 kg
Cage		M1 — Two Piece Brass Cage Roller Guided
Minimum operating temperature	Tmin	-30 °C
Maximum operating temperature	Tmax	150 °C

Product characteristics3 parameters

Product characteristics
Parameter	Symbol	Value
Design	EX	Increased Capacity Design Design Modified
Cage	M1	Two Piece Brass Cage Roller Guided
Number of rows	1	Single-row design

Main Dimensions & Performance Data9 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	240 mm9.449 in
Outside diameter	D	440 mm17.323 in
Width	B	120 mm4.724 in
Basic dynamic load rating, radial	Cr	1,850,000 N415,917.266 lbf
Basic static load rating, radial	C0r	2,800,000 N629,496.403 lbf
Fatigue load limit, radial	Cur	295,000 N66,321.942 lbf
Limiting speed	nG	2,250 1/min
Reference speed	nϑr	900 1/min
Mass	≈m	81.5 kg179.677 lbs

Mounting dimensions6 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	257 mm10.118 in
Maximum diameter of shaft shoulder	da max	284.5 mm11.201 in
Minimum shaft shoulder	db min	289.5 mm11.398 in
Maximum diameter of housing shoulder	Da max	423 mm16.654 in
Maximum recess radius	ra max	3 mm0.118 in
Maximum recess radius	ra1 max	3 mm0.118 in

Dimensions6 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension	rmin	4 mm0.157 in
Minimum chamfer dimension	r1 min	4 mm0.157 in
Axial displacement	s	10.2 mm0.402 in
Raceway diameter outer ring	E	399 mm15.709 in
Raceway diameter inner ring	F	287 mm11.299 in
Minimum rib diameter outer ring	D1 min	376.6 mm14.827 in

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		Cylindrical roller bearings NU22..-E, main dimensions to DIN 5412-1, non-locating bearing, separable, with cage, Running accuracy in P6
Short Description		Cylindrical roller bearing

Technical Data22 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		240 mm
Outside Diamater (D)		440 mm
Total Width (B)		120 mm
Basic Dynamic Load Rating, Radial (Cr)		1,850,000 N
Basic Static Load Rating, Radial (C0R)		2,800,000 N
Raceway Diameter Inner Ring (F)		287 mm
Operating Temperature Min. (Tmin)		-30 °C
Minimum Diameter Shaft Shoulder (Da)		257 mm
Operating Temperature Max. (Tmax)		150 °C
Limiting Speed (Limiting Spe)		2,250 1/min
Reference Speed (Nϑr)		900 1/min
Maximum Recess Radius (Ra Max)		3 mm
Maximum Diameter Of Housing Shoulder (Da)		423 mm
Minimum Chamfer Dimension (R1 Min)		4 mm
Axial Displacement (S)		10.2 mm
Minimum Rib Diameter Outer Ring (D1 Min)		376.6 mm
Maximum Diameter Of Shaft Shoulder (Da Max)		284.5 mm
Maximum Recess Radius (Ra1 Max)		3 mm
Minimum Chamfer Dimension (Rmin)		4 mm
Raceway Diameter Outer Ring (E)		399 mm
Minimum Shaft Shoulder (Db Min)		289.5 mm
Fatigue Load Limit, Radial (Cur)		295,000 N

FAG NU2248-EX-TB-M1