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		NU328
Bore diameter	d	140 mm
Outside diameter	D	300 mm
Width	B	62 mm
Basic dynamic load rating	C	790 kN
Basic static load rating	C0	800 kN
Fatigue load limit	Pu	95 kN
Reference speed	nref	2170 r/min
Limiting speed	nG	3950 r/min
Mass	≈m	21.96 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	140 mm5.512 in
Outside diameter	D	300 mm11.811 in
Width	B	62 mm2.441 in
Basic dynamic load rating, radial	Cr	790,000 N177,607.914 lbf
Basic static load rating, radial	C0r	800,000 N179,856.115 lbf
Fatigue load limit, radial	Cur	95,000 N21,357.914 lbf
Limiting speed	nG	3,950 1/min
Reference speed	nϑr	2,170 1/min
Mass	≈m	21.96 kg48.413 lbs

Mounting dimensions6 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	157 mm6.181 in
Maximum diameter of shaft shoulder	da max	176 mm6.929 in
Minimum shaft shoulder	db min	182 mm7.165 in
Maximum diameter of housing shoulder	Da max	283 mm11.142 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	5.2 mm0.205 in
Raceway diameter outer ring	E	264 mm10.394 in
Raceway diameter inner ring	F	180 mm7.087 in
Minimum rib diameter outer ring	D1 min	251.7 mm9.909 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)		140 mm
Outside Diamater (D)		300 mm
Total Width (B)		62 mm
Basic Dynamic Load Rating, Radial (Cr)		790,000 N
Basic Static Load Rating, Radial (C0R)		800,000 N
Raceway Diameter Inner Ring (F)		180 mm
Operating Temperature Min. (Tmin)		-30 °C
Minimum Diameter Shaft Shoulder (Da)		157 mm
Operating Temperature Max. (Tmax)		150 °C
Limiting Speed (Limiting Spe)		3,950 1/min
Reference Speed (Nϑr)		2,170 1/min
Maximum Recess Radius (Ra Max)		3 mm
Maximum Diameter Of Housing Shoulder (Da)		283 mm
Minimum Chamfer Dimension (R1 Min)		4 mm
Axial Displacement (S)		5.2 mm
Minimum Rib Diameter Outer Ring (D1 Min)		251.7 mm
Maximum Diameter Of Shaft Shoulder (Da Max)		176 mm
Maximum Recess Radius (Ra1 Max)		3 mm
Minimum Chamfer Dimension (Rmin)		4 mm
Raceway Diameter Outer Ring (E)		264 mm
Minimum Shaft Shoulder (Db Min)		182 mm
Fatigue Load Limit, Radial (Cur)		95,000 N