Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 2304 ECP

NJ 2304 ECP

SKF Explorer

Dimensions

d		20	mm
D		52	mm
B		21	mm
d₁	≈	31.2	mm
D₁	≈	41.85	mm
F		27.5	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
s	max.	1.9	mm

Abutment dimensions

d_a	min.	26.1	mm
d_a	max.	26.2	mm
d_b	min.	33	mm
D_a	max.	45.4	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	47.5	kN
Basic static load rating	C₀	38	kN
Fatigue load limit	P_u	4.8	kN
Reference speed		15000	r/min
Limiting speed		18000	r/min
Calculation factor	k_r	0.25
Limiting value	e	0.3
Axial load factor	Y	0.4

Mass

Mass bearing

0.22

Model Number: NJ 2304 ECP
Inner Diameter：20mm Outer Diameter：52mm Width：21mm
Reference speed:18000 r/min Limiting speed:15000 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Single row cylindrical roller bearings
Details： Single row cylindrical roller bearings Cylindrical roller bearings, single row
Update date：2024-12-18
Application:rolling mill roll neck and slowdown device,hydraulic cylinder buffer,Automobile,storage and transportation equipment,Hydraulic Rama,Vertical pull,lathe,ultra-quiet generators,PVC,Anti-defibrillation pacing,cleaning agent
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