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

NU 203 ECPHA

Dimensions

d		17	mm
D		40	mm
B		12	mm
D₁	≈	32.35	mm
F		22.1	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
s	max.	1	mm

Abutment dimensions

d_a	min.	19.9	mm
d_a	max.	21.1	mm
d_b	min.	24	mm
D_a	max.	36	mm
r_a	max.	0.6	mm
r_b	max.	0.3	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: NU 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：2026-04-16
Application:chuck industry,container finishing,lathe,sawing machine,Animal Tracking,air shower etc,engineering machinery,Cylinder Micro,Hairbrush device,roller lathe,aerial work platform
Similar models:NU 2032 ECMA N 203 ECP 6203 NR 51203 V/HR22T2 7203 BEGAP YAR 211-203-2FW/VA201 RNU 2203 ECP 53203 + U 203 YAR 203/12-2F LS 2035
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Model No.	Inner Diameter	Outer Diameter	Width	Type
22x40x6 CRW1 V	22	40	6.35	Seals
28x45x8 HMSA10 RG	28	45	8	Seals
31327	79.375	120.68	11.13	Seals
315976 B	280	470	200	Bearings, units and housings
65x88x8 CRW1 R	65	88	8	Seals
750x800x25 HDS2 R	750	800	25	Seals
85367	-	-	53.98	Seals
86435	-	-	63.5	Seals
9843	25.4	38.07	6.35	Seals
KMK 2	9	-	15	Bearings, units and housings
SAFS 23040 KAT x 7.1/8	180.975	-	-	Bearings, units and housings
SY 1.11/16 TF/VA228	42.862	-	-	Bearings, units and housings

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