Product specifications

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

Core specifications14 parameters

Core specifications
Parameter	Symbol	Value
Bore diameter	d	30 mm
Outside diameter	D	55 mm
Width	B	13 mm
Basic dynamic load rating	C	22.9 kN
Basic static load rating	C0	19.3 kN
Fatigue load limit	Pu	3.05 kN
Reference speed	nref	11000 r/min
Limiting speed	nG	25500 r/min
Mass	≈m	0.13439 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		Standard
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	30 mm1.181 in
Outside diameter	D	55 mm2.165 in
Width	B	13 mm0.512 in
Basic dynamic load rating, radial	Cr	22,900 N5,148.381 lbf
Basic static load rating, radial	C0r	19,300 N4,339.029 lbf
Fatigue load limit, radial	Cur	3,050 N685.701 lbf
Limiting speed	nG	25,500 1/min
Reference speed	nϑr	11,000 1/min
Mass	≈m	134.39 g4.74 oz

Mounting dimensions3 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	35 mm1.378 in
Maximum diameter of shaft shoulder	da max	37 mm1.457 in
Maximum diameter of housing shoulder	Da max	51 mm2.008 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	48.5 mm1.909 in
Raceway diameter inner ring	F	36.5 mm1.437 in
Minimum rib diameter outer ring	D1 min	46.1 mm1.815 in
Maximum rib diameter inner ring	d1	38.9 mm1.531 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 Identity8 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Cylindrical roller bearing NJ..-XL-M1, with cage, single row, semi-locating bearing, 2 ribs on outer ring, 1 rib on inner ring, type NJ
Short Description		Cylindrical roller bearing

Technical Data20 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		30 mm
Outside Diamater (D)		55 mm
Total Width (B)		13 mm
Basic Dynamic Load Rating, Radial (Cr)		22,900 N
Basic Static Load Rating, Radial (C0R)		19,300 N
Raceway Diameter Inner Ring (F)		36.5 mm
Operating Temperature Min. (Tmin)		-30 °C
Minimum Diameter Shaft Shoulder (Da)		35 mm
Operating Temperature Max. (Tmax)		150 °C
Limiting Speed (Limiting Spe)		25,500 1/min
Reference Speed (Nϑr)		11,000 1/min
Maximum Diameter Of Housing Shoulder (Da)		51 mm
Maximum Rib Diameter Inner Ring (D1)		38.9 mm
Minimum Chamfer Dimension (R1 Min)		0.6 mm
Axial Displacement (S)		1.8 mm
Minimum Rib Diameter Outer Ring (D1 Min)		46.1 mm
Maximum Diameter Of Shaft Shoulder (Da Max)		37 mm
Minimum Chamfer Dimension (Rmin)		1 mm
Raceway Diameter Outer Ring (E)		48.5 mm
Fatigue Load Limit, Radial (Cur)		3,050 N