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		NU2311
Bore diameter	d	55 mm
Outside diameter	D	120 mm
Width	B	43 mm
Basic dynamic load rating	C	235 kN
Basic static load rating	C0	230 kN
Fatigue load limit	Pu	44.5 kN
Reference speed	nref	4500 r/min
Limiting speed	nG	10400 r/min
Mass	≈m	2.576 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	E	Increased Capacity Design
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	55 mm2.165 in
Outside diameter	D	120 mm4.724 in
Width	B	43 mm1.693 in
Basic dynamic load rating, radial	Cr	235,000 N52,832.734 lbf
Basic static load rating, radial	C0r	230,000 N51,708.633 lbf
Fatigue load limit, radial	Cur	44,500 N10,004.496 lbf
Limiting speed	nG	10,400 1/min
Reference speed	nϑr	4,500 1/min
Mass	≈m	2.576 kg5.679 lbs

Mounting dimensions6 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	66 mm2.598 in
Maximum diameter of shaft shoulder	da max	69 mm2.717 in
Minimum shaft shoulder	db min	72 mm2.835 in
Maximum diameter of housing shoulder	Da max	109 mm4.291 in
Maximum recess radius	ra max	2 mm0.079 in
Maximum recess radius	ra1 max	2 mm0.079 in

Dimensions6 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension	rmin	2 mm0.079 in
Minimum chamfer dimension	r1 min	2 mm0.079 in
Axial displacement	s	3.3 mm0.13 in
Raceway diameter outer ring	E	106.5 mm4.193 in
Raceway diameter inner ring	F	70.5 mm2.776 in
Minimum rib diameter outer ring	D1 min	101.42 mm3.993 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 & suitability4 parameters

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

Manufacturer Identity10 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Cylindrical roller bearing NU..-E-XL-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)		55 mm
Outside Diamater (D)		120 mm
Total Width (B)		43 mm
Basic Dynamic Load Rating, Radial (Cr)		235,000 N
Basic Static Load Rating, Radial (C0R)		230,000 N
Raceway Diameter Inner Ring (F)		70.5 mm
Operating Temperature Min. (Tmin)		-30 °C
Minimum Diameter Shaft Shoulder (Da)		66 mm
Operating Temperature Max. (Tmax)		150 °C
Limiting Speed (Limiting Spe)		10,400 1/min
Reference Speed (Nϑr)		4,500 1/min
Maximum Recess Radius (Ra Max)		2 mm
Maximum Diameter Of Housing Shoulder (Da)		109 mm
Minimum Chamfer Dimension (R1 Min)		2 mm
Axial Displacement (S)		3.3 mm
Minimum Rib Diameter Outer Ring (D1 Min)		101.42 mm
Maximum Diameter Of Shaft Shoulder (Da Max)		69 mm
Maximum Recess Radius (Ra1 Max)		2 mm
Minimum Chamfer Dimension (Rmin)		2 mm
Raceway Diameter Outer Ring (E)		106.5 mm
Minimum Shaft Shoulder (Db Min)		72 mm
Fatigue Load Limit, Radial (Cur)		44,500 N