Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7203 CD/P4A

7203 CD/P4A

Dimensions

d		17	mm
D		40	mm
B		12	mm
d₁		24.1	mm
d₂		24.1	mm
D₁		32.8	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		9.9	mm

Abutment dimensions

d_a	min.	21.2	mm
d_b	min.	21.2	mm
D_a	max.	35.8	mm
D_b	max.	37.6	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		25.9	mm

Calculation data

Basic dynamic load rating	C	9.23	kN
Basic static load rating	C₀	4.15	kN
Fatigue load limit	P_u	0.176	kN
Attainable speed for grease lubrication		43000	r/min
Attainable speed for oil-air lubrication		63000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	10
Reference grease quantity	G_ref	1.005	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	35	N
Static axial stiffness, preload class A		21	N/µm
Preload class B	G_B	70	N
Static axial stiffness, preload class B		28	N/µm
Preload class C	G_C	140	N
Static axial stiffness, preload class C		38	N/µm
Preload class D	G_D	280	N
Static axial stiffness, preload class D		53	N/µm
Calculation factors
Calculation factor	f	1.03
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.03
Calculation factor	f_2D	1.05
Calculation factor	f_HC	1
Calculation factor	f₀	8.5

Mass

Mass bearing

0.063

Model Number: 7203 CD/P4A
Inner Diameter：17mm Outer Diameter：40mm Width：12mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2024-12-13
Application:bag machine,medical equipment,chromatography,beverage production,Internal thread type,defogging and degreasing,plastic molding,spring industry,industrial supplies,Hairbrush device,natural instruments
Similar models:7203 BECBM 7203 BEP 7203 BEGAP 7203 CD/P4A 7203 BECBP 7203 ACD/HCP4A 7203 ACCBM S7203 ACD/P4A 7203 CD/HCP4A 7203 ACD/P4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
105x135x12 HMSA10 RG	105	135	12	Seals
13936	34.925	79.38	12.7	Seals
32312/DF	60	130	-	Bearings, units and housings
54308 + U 308	30	78	54.1	Bearings, units and housings
42470	107.95	133.38	6.35	Seals
52.7x70.5x14.2 TP	52.6	70.79	-	Seals
624/HR11TN	4	13	5	Bearings, units and housings
7001 CD/HCP4A	12	28	8	Bearings, units and housings
FYR 2 15/16	74.6125	-	-	Bearings, units and housings
HM 30/530	68	-	530	Bearings, units and housings
NKS 35	35	50	22	Bearings, units and housings
SYE 2 7/16 N	61.9125	-	-	Bearings, units and housings

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