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

NJ 203 ECPHA

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		30000	r/min
Calculation factor	k_r	0.23
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

0.07

Model Number: NJ 203 ECPHA
Inner Diameter：17mm Outer Diameter：40mm Width：12mm
Reference speed:30000 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：2026-04-18
Application:motor,power source,lifting chain,hinge industry,Grinding and polishing equipment,pressure control valve,aerial work platform,gas turbine,bio-chemical,intermediate,Broadcasting System
Similar models:S7203 ACD/P4A 32034 X YAT 203-008 32038 X/L4BDF 6203-2Z 1726203-2RS1 NU 2032 ECMA 32032 X RNU 203 ECP 7203 BE-2RZP
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Model No.	Inner Diameter	Outer Diameter	Width	Type
19840	50.8	69.85	7.95	Seals
2212 E-2RS1KTN9	60	110	28	Bearings, units and housings
71914 CB/HCP4A	70	100	16	Bearings, units and housings
7214 BEGAM	70	125	24	Bearings, units and housings
85914	-	-	25.4	Seals
AXW 10	10	27	2	Bearings, units and housings
C 3972 KM	360	480	90	Bearings, units and housings
FYR 2 3/16-18	55.5625	-	-	Bearings, units and housings
NU 313 ECPH	65	140	33	Bearings, units and housings
PBM 071208 M1	7	12	8	Bearings, units and housings
PBM 101616 M1	10	16	16	Bearings, units and housings
SAW 23538 x 6.7/8 TLC	174.625	-	-	Bearings, units and housings

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