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		NJ2204
Bore diameter	d	20 mm
Outside diameter	D	47 mm
Width	B	18 mm
Basic dynamic load rating	C	38.5 kN
Basic static load rating	C0	31 kN
Fatigue load limit	Pu	5.2 kN
Reference speed	nref	11100 r/min
Limiting speed	nG	28500 r/min
Mass	≈m	0.16756 kg
Precision class		PN — Normal (ISO 492:2023)
Internal clearance		CN (Group N) — Normal internal clearance
Cage		M1A — Two Piece Brass Cage Lip 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	M1A	Two Piece Brass Cage Lip 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	20 mm0.787 in
Outside diameter	D	47 mm1.85 in
Width	B	18 mm0.709 in
Basic dynamic load rating, radial	Cr	38,500 N8,655.576 lbf
Basic static load rating, radial	C0r	31,000 N6,969.424 lbf
Fatigue load limit, radial	Cur	5,200 N1,169.065 lbf
Limiting speed	nG	28,500 1/min
Reference speed	nϑr	11,100 1/min
Mass	≈m	167.56 g5.91 oz

Mounting dimensions5 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	24 mm0.945 in
Maximum diameter of shaft shoulder	da max	26 mm1.024 in
Maximum diameter of housing shoulder	Da max	41 mm1.614 in
Minimum shaft shoulder	dc min	32 mm1.26 in
Maximum recess radius	ra max	1 mm0.039 in

Dimensions7 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	1.8 mm0.071 in
Raceway diameter outer ring	E	41.5 mm1.634 in
Raceway diameter inner ring	F	26.5 mm1.043 in
Minimum rib diameter outer ring	D1 min	38.8 mm1.528 in
Maximum rib diameter inner ring	d1	29.7 mm1.169 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
Axial load capacity in one direction		Yes
Suitable for grease lubrication		Yes
Suitable for oil lubrication		Yes
Unsealed design		Yes

Manufacturer Identity9 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Cylindrical roller bearing NJ..-E-XL-M1A, with cage, single row, semi-locating bearing, 2 ribs on outer ring, 1 rib on inner ring, type NJ
Short Description		Cylindrical roller bearing

Additional information1 parameter

Additional information
Parameter	Symbol	Value
L-washer		HJ2204-E

Technical Data22 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		20 mm
Outside Diamater (D)		47 mm
Total Width (B)		18 mm
Basic Dynamic Load Rating, Radial (Cr)		38,500 N
Basic Static Load Rating, Radial (C0R)		31,000 N
Raceway Diameter Inner Ring (F)		26.5 mm
Operating Temperature Min. (Tmin)		-30 °C
Minimum Diameter Shaft Shoulder (Da)		24 mm
Operating Temperature Max. (Tmax)		150 °C
Limiting Speed (Limiting Spe)		28,500 1/min
Minimum Shaft Shoulder (Dc Min)		32 mm
Reference Speed (Nϑr)		11,100 1/min
Maximum Recess Radius (Ra Max)		1 mm
Maximum Diameter Of Housing Shoulder (Da)		41 mm
Maximum Rib Diameter Inner Ring (D1)		29.7 mm
Minimum Chamfer Dimension (R1 Min)		0.6 mm
Axial Displacement (S)		1.8 mm
Minimum Rib Diameter Outer Ring (D1 Min)		38.8 mm
Maximum Diameter Of Shaft Shoulder (Da Max)		26 mm
Minimum Chamfer Dimension (Rmin)		1 mm
Raceway Diameter Outer Ring (E)		41.5 mm
Fatigue Load Limit, Radial (Cur)		5,200 N

FAG NJ2204-E-XL-M1A