SKF 7000 CE/P4AH Angular contact ball bearings, super-precision

SKF 7000 CE/P4AH 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		10	mm
D		26	mm
B		8	mm
d1		15.6	mm
d2		14.5	mm
D1		20.45	mm
K		0.5	mm
C1		4.75	mm
r1,2	min.	0.3	mm
r3,4	min.	0.3	mm
a		6.5	mm

Abutment dimensions

da	min.	12	mm
db	min.	12	mm
Da	max.	24	mm
Db	max.	23.6	mm
ra	max.	0.3	mm
rb	max.	0.3	mm
dn		16.5	mm

Calculation data

Basic dynamic load rating	C		3.02	kN
Basic static load rating	C0		1.18	kN
Fatigue load limit	Pu		0.05	kN
Attainable speed for grease lubrication			90000	r/min
Attainable speed for oil-air lubrication			140000	r/min
Ball diameter	Dw		3.969	mm
Number of balls	z		11
Reference grease quantity	Gref		0.28	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	GA		15	N
Static axial stiffness, preload class A			12	N/µm
Preload class B	GB		48	N
Static axial stiffness, preload class B			19	N/µm
Preload class C	GC		95	N
Static axial stiffness, preload class C			26	N/µm
Calculation factors
Calculation factor	f		1.03
Calculation factor	f1		1
Calculation factor	f2A		1
Calculation factor	f2B		1.03
Calculation factor	f2C		1.05
Calculation factor	fHC		1
Calculation factor	f0		7.1

Mass

Mass bearing

0.019

kg

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