SKF S7003 CD/P4A Angular contact ball bearings, super-precision

SKF S7003 CD/P4A Angular contact ball bearings, super-precision
Angular contact ball bearings, super-precision

Tolerances: P4A, P4, PA9A, P2, Chamfer dimensionsRecommended shaft and housing fits: shafts, housingsValues for ISO tolerance classes: shafts, housingsSpeed dependent initial grease fill →Initial grease fillClamping and fitting forces: D design, E design, B design

Designation suffixes H, H1, L and L1identify variants for direct oil-air lubrication(→Variants).

d		17	mm
D		35	mm
B		10	mm
d1		22.6	mm
d2		22.6	mm
D2		32.4	mm
r1,2	min.	0.3	mm
r3,4	min.	0.2	mm
a		8.5	mm

Abutment dimensions

da	min.	19	mm
da	max.	22.2	mm
db	min.	19	mm
db	max.	22.2	mm
Da	max.	33	mm
Db	max.	33.6	mm
ra	max.	0.3	mm
rb	max.	0.2	mm

Calculation data

Basic dynamic load rating	C		6.76	kN
Basic static load rating	C0		3.25	kN
Fatigue load limit	Pu		0.137	kN
Attainable speed for grease lubrication			50000	r/min
Ball diameter	Dw		5.556	mm
Number of balls	z		12
Preload and stiffness (back-to-back, face-to-face)
Preload class A	GA		25	N
Static axial stiffness, preload class A			19	N/µm
Preload class B	GB		50	N
Static axial stiffness, preload class B			26	N/µm
Preload class C	GC		100	N
Static axial stiffness, preload class C			35	N/µm
Preload class D	GD		200	N
Static axial stiffness, preload class D			50	N/µm
Calculation factors
Calculation factor	f		1.04
Calculation factor	f1		1
Calculation factor	f2A		1
Calculation factor	f2B		1.02
Calculation factor	f2C		1.05
Calculation factor	f2D		1.09
Calculation factor	fHC		1
Calculation factor	f0		9.1

Mass

Mass bearing

0.038

kg

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