Product specifications

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

Core specifications15 parameters

Core specifications
Parameter	Symbol	Value
Series		NU2356
Bore diameter	d	280 mm
Outside diameter	D	580 mm
Width	B	175 mm
Basic dynamic load rating	C	3500 kN
Basic static load rating	C0	5200 kN
Fatigue load limit	Pu	510 kN
Reference speed	nref	590 r/min
Limiting speed	nG	1640 r/min
Mass	≈m	230.91 kg
Precision class		PN — Normal (ISO 492:2023)
Internal clearance		CN (Group N) — Normal internal clearance
Cage		M1 — Two Piece Brass Cage Roller Guided
Minimum operating temperature	Tmin	-30 °C
Maximum operating temperature	Tmax	150 °C

Product characteristics5 parameters

Product characteristics
Parameter	Symbol	Value
Design	EX	Increased Capacity Design Design Modified
Cage	M1	Two Piece Brass Cage Roller Guided
Radial internal clearance	CN (Group N)	Normal internal clearance
Tolerance class	PN	Normal (ISO 492:2023)
Number of rows	1	Single-row design

Main Dimensions & Performance Data9 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	280 mm11.024 in
Outside diameter	D	580 mm22.835 in
Width	B	175 mm6.89 in
Basic dynamic load rating, radial	Cr	3,500,000 N786,870.504 lbf
Basic static load rating, radial	C0r	5,200,000 N1,169,064.748 lbf
Fatigue load limit, radial	Cur	510,000 N114,658.273 lbf
Limiting speed	nG	1,640 1/min
Reference speed	nϑr	590 1/min
Mass	≈m	230.91 kg509.069 lbs

Mounting dimensions6 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	306 mm12.047 in
Maximum diameter of shaft shoulder	da max	348 mm13.701 in
Minimum shaft shoulder	db min	354 mm13.937 in
Maximum diameter of housing shoulder	Da max	554 mm21.811 in
Maximum recess radius	ra max	5 mm0.197 in
Maximum recess radius	ra1 max	5 mm0.197 in

Dimensions6 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension	rmin	6 mm0.236 in
Minimum chamfer dimension	r1 min	6 mm0.236 in
Axial displacement	s	13.8 mm0.543 in
Raceway diameter outer ring	E	521 mm20.512 in
Raceway diameter inner ring	F	351 mm13.819 in
Minimum rib diameter outer ring	D1 min	487 mm19.173 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 Identity8 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Cylindrical roller bearing NU2..-M1, with cage, single row, non-locating bearing, 2 ribs on outer ring, 0 ribs on inner ring (smooth), type NU, Running accuracy in P6
Short Description		Cylindrical roller bearing

Technical Data22 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		280 mm
Outside Diamater (D)		580 mm
Total Width (B)		175 mm
Basic Dynamic Load Rating, Radial (Cr)		3,500,000 N
Basic Static Load Rating, Radial (C0R)		5,200,000 N
Raceway Diameter Inner Ring (F)		351 mm
Operating Temperature Min. (Tmin)		-30 °C
Minimum Diameter Shaft Shoulder (Da)		306 mm
Operating Temperature Max. (Tmax)		150 °C
Limiting Speed (Limiting Spe)		1,640 1/min
Reference Speed (Nϑr)		590 1/min
Maximum Recess Radius (Ra Max)		5 mm
Maximum Diameter Of Housing Shoulder (Da)		554 mm
Minimum Chamfer Dimension (R1 Min)		6 mm
Axial Displacement (S)		13.8 mm
Minimum Rib Diameter Outer Ring (D1 Min)		487 mm
Maximum Diameter Of Shaft Shoulder (Da Max)		348 mm
Maximum Recess Radius (Ra1 Max)		5 mm
Minimum Chamfer Dimension (Rmin)		6 mm
Raceway Diameter Outer Ring (E)		521 mm
Minimum Shaft Shoulder (Db Min)		354 mm
Fatigue Load Limit, Radial (Cur)		510,000 N