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：2025-12-09
Application:luminescent reagent,packing equipment,ventilation equipment,PVC,marine analysis,labor insurance,surgical instruments,screen filter,machine lathe,Pump,pneumatic
Similar models:7203 ACD/HCP4A S7203 ACD/HCP4A 7203 BE-2RZP 7203 CD/P4A 7203 BECBM S7203 CD/HCP4A S7203 ACD/P4A 7203 BEY 7203 BEGAP 7203 BECBP
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