Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 203 ECP

NJ 203 ECP

Dimensions

d		17	mm
D		40	mm
B		12	mm
d₁	≈	25	mm
D₁	≈	32.35	mm
F		22.1	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.6	mm
s	max.	1	mm

Abutment dimensions

d_a	min.	20.7	mm
d_a	max.	21.1	mm
d_b	min.	27	mm
D_a	max.	36	mm
r_a	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	20	kN
Basic static load rating	C₀	14.3	kN
Fatigue load limit	P_u	1.73	kN
Reference speed		20000	r/min
Limiting speed		22000	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

0.069

Model Number: NJ 203 ECP
Inner Diameter：17mm Outer Diameter：40mm Width：12mm
Reference speed:22000 r/min Limiting speed:20000 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:tobacco machinery,sucker industry,ultra-quiet generators,axle lathe,wall materials,Insect Capture,blood cell reagent,outdoor equipment,surgical instruments,Pneumatic Actuator,hinge industry
Similar models:7203 CD/P4A PCMW 203601.5 E 7203 ACCBM 51203 NJ 203 ECPHA PSM 142030 A51 1726203-2RS1 2203 ETN9 NA 2203.2RSX S7203 CD/HCP4A
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RNAO 20x28x13	20	28	13	Bearings, units and housings

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