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		NU205
Bore diameter	d	25 mm
Outside diameter	D	52 mm
Width	B	15 mm
Basic dynamic load rating	C	34.5 kN
Basic static load rating	C0	27.5 kN
Fatigue load limit	Pu	3.4 kN
Reference speed	nref	11600 r/min
Limiting speed	nG	25500 r/min
Mass	≈m	0.15 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	25 mm0.984 in
Outside diameter	D	52 mm2.047 in
Width	B	15 mm0.591 in
Basic dynamic load rating, radial	Cr	34,500 N7,756.295 lbf
Basic static load rating, radial	C0r	27,500 N6,182.554 lbf
Fatigue load limit, radial	Cur	3,400 N764.388 lbf
Limiting speed	nG	25,500 1/min
Reference speed	nϑr	11,600 1/min
Mass	≈m	0.15 kg0.331 lbs

Mounting dimensions6 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	29 mm1.142 in
Maximum diameter of shaft shoulder	da max	31 mm1.22 in
Minimum shaft shoulder	db min	34 mm1.339 in
Maximum diameter of housing shoulder	Da max	46 mm1.811 in
Maximum recess radius	ra max	1 mm0.039 in
Maximum recess radius	ra1 max	0.6 mm0.024 in

Dimensions6 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension	rmin	1 mm0.039 in
Minimum chamfer dimension	r1 min	0.6 mm0.024 in
Axial displacement	s	1.2 mm0.047 in
Raceway diameter outer ring	E	46.5 mm1.831 in
Raceway diameter inner ring	F	31.5 mm1.24 in
Minimum rib diameter outer ring	D1 min	43.8 mm1.724 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)		25 mm
Outside Diamater (D)		52 mm
Total Width (B)		15 mm
Basic Dynamic Load Rating, Radial (Cr)		34,500 N
Basic Static Load Rating, Radial (C0R)		27,500 N
Raceway Diameter Inner Ring (F)		31.5 mm
Operating Temperature Min. (Tmin)		-30 °C
Minimum Diameter Shaft Shoulder (Da)		29 mm
Operating Temperature Max. (Tmax)		150 °C
Limiting Speed (Limiting Spe)		25,500 1/min
Reference Speed (Nϑr)		11,600 1/min
Maximum Recess Radius (Ra Max)		1 mm
Maximum Diameter Of Housing Shoulder (Da)		46 mm
Minimum Chamfer Dimension (R1 Min)		0.6 mm
Axial Displacement (S)		1.2 mm
Minimum Rib Diameter Outer Ring (D1 Min)		43.8 mm
Maximum Diameter Of Shaft Shoulder (Da Max)		31 mm
Maximum Recess Radius (Ra1 Max)		0.6 mm
Minimum Chamfer Dimension (Rmin)		1 mm
Raceway Diameter Outer Ring (E)		46.5 mm
Minimum Shaft Shoulder (Db Min)		34 mm
Fatigue Load Limit, Radial (Cur)		3,400 N

FAG NU205-E-XL-M1