SKF 7015 CE/HCP4AH1 Angular contact ball bearings, super-precision

SKF 7015 CE/HCP4AH1 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		75	mm
D		115	mm
B		20	mm
d1		89.28	mm
d2		86.8	mm
D1		100.72	mm
K		0.5	mm
C1		6.73	mm
r1,2	min.	1.1	mm
r3,4	min.	0.6	mm
a		22.8	mm

Abutment dimensions

da	min.	81	mm
db	min.	81	mm
Da	max.	109	mm
Db	max.	110.8	mm
ra	max.	1	mm
rb	max.	0.6	mm
dn		91.5	mm

Calculation data

Basic dynamic load rating	C		26	kN
Basic static load rating	C0		21.6	kN
Fatigue load limit	Pu		0.915	kN
Attainable speed for grease lubrication			19000	r/min
Attainable speed for oil-air lubrication			29000	r/min
Ball diameter	Dw		9.525	mm
Number of balls	z		26
Reference grease quantity	Gref		8.6	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	GA		140	N
Static axial stiffness, preload class A			72	N/µm
Preload class B	GB		420	N
Static axial stiffness, preload class B			113	N/µm
Preload class C	GC		840	N
Static axial stiffness, preload class C			156	N/µm
Calculation factors
Calculation factor	f		1.1
Calculation factor	f1		1
Calculation factor	f2A		1
Calculation factor	f2B		1.03
Calculation factor	f2C		1.05
Calculation factor	fHC		1.01
Calculation factor	f0		9.5

Mass

Mass bearing

0.59

kg

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