SKF S7015 CD/HCP4A Angular contact ball bearings, super-precision

SKF S7015 CD/HCP4A 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		87.3	mm
d2		87.3	mm
D2		105.62	mm
r1,2	min.	1.1	mm
r3,4	min.	0.6	mm
a		22.8	mm

Abutment dimensions

da	min.	81	mm
da	max.	86.7	mm
db	min.	81	mm
db	max.	86.7	mm
Da	max.	109	mm
Db	max.	111	mm
ra	max.	1	mm
rb	max.	0.6	mm

Calculation data

Basic dynamic load rating	C		52.7	kN
Basic static load rating	C0		49	kN
Fatigue load limit	Pu		2.08	kN
Attainable speed for grease lubrication			14000	r/min
Ball diameter	Dw		12.7	mm
Number of balls	z		20
Preload and stiffness (back-to-back, face-to-face)
Preload class A	GA		200	N
Static axial stiffness, preload class A			93	N/µm
Preload class B	GB		400	N
Static axial stiffness, preload class B			128	N/µm
Preload class C	GC		800	N
Static axial stiffness, preload class C			179	N/µm
Preload class D	GD		1600	N
Static axial stiffness, preload class D			260	N/µm
Calculation factors
Calculation factor	f		1.14
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		1.02
Calculation factor	f0		15.7

Mass

Mass bearing

0.54

kg

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