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

NUP 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

Abutment dimensions

d_a	min.	26.1	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: NUP 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：2026-06-24
Application:Cylinder Micro,spring industry,other processing,Storage Tool,Power equipment,universal category,car instrument,pump,Machine tool accessories,Spectrum Products,dye pigments
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Model No. Inner Diameter Outer Diameter Width Type

61802
85x150x12 HMS5 V
MS 3092-88
PPM 081008
W 63803-2RS1

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Hot number： 1000580 1900563 21890 32318/DF 32x47x7 HMS5 V 330x370x16 HDS2 R 66222 90259 HK 1216.2RS NU 1044 ML OH 31/710 H RNA 4902.2RS SAFS 22517-11 x 2.7/8 T2DC 220 W 627/5 R-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
61802
85x150x12 HMS5 V
MS 3092-88
PPM 081008
W 63803-2RS1