Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NU 303 ECP

NU 303 ECP

SKF Explorer

Dimensions

d		17	mm
D		47	mm
B		14	mm
D₁	≈	36.75	mm
F		24.2	mm
r_1,2	min.	1	mm
r_3,4	min.	0.6	mm
s	max.	1	mm

Abutment dimensions

d_a	min.	21.1	mm
d_a	max.	23.1	mm
d_b	min.	26	mm
D_a	max.	41.7	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	28.5	kN
Basic static load rating	C₀	20.4	kN
Fatigue load limit	P_u	2.55	kN
Reference speed		17000	r/min
Limiting speed		20000	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

0.12

Model Number: NU 303 ECP
Inner Diameter：17mm Outer Diameter：47mm Width：14mm
Reference speed:20000 r/min Limiting speed:17000 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：2026-04-16
Application:Medical printer,lifting tackle,Processing machinery,roller lathe,transportation equipment,bio-chemical,labor insurance,training beds etc,garbage disposal,baler,Pest Monitoring
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Hot number： 1013470 6317/C3VL0241 708 CE/P4A BT2B 331554 B/HA1 BT4B 332822/HA1 C 3196 KMB FY 1.1/8 TF HJ 1880 N 1009 KTN/SP NJ 224 ECP NNCF 4832 CV NUP 228 ECML SIKAC 30 M/VZ019 SIJ 25 ES SNL 524 TURU