SKF 7016 ACE/HCP4A Angular contact ball bearings, super-precision

SKF 7016 ACE/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		80	mm
D		125	mm
B		22	mm
d1		95.83	mm
d2		93	mm
D1		109.17	mm
r1,2	min.	1.1	mm
r3,4	min.	0.6	mm
a		35.1	mm

Abutment dimensions

da	min.	86	mm
db	min.	86	mm
Da	max.	119	mm
Db	max.	120.8	mm
ra	max.	1	mm
rb	max.	0.6	mm
dn		98.5	mm

Calculation data

Basic dynamic load rating	C		32.5	kN
Basic static load rating	C0		26.5	kN
Fatigue load limit	Pu		1.12	kN
Attainable speed for grease lubrication			15500	r/min
Attainable speed for oil-air lubrication			24000	r/min
Ball diameter	Dw		11.112	mm
Number of balls	z		25
Reference grease quantity	Gref		12	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	GA		280	N
Static axial stiffness, preload class A			198	N/µm
Preload class B	GB		850	N
Static axial stiffness, preload class B			298	N/µm
Preload class C	GC		1700	N
Static axial stiffness, preload class C			391	N/µm
Calculation factors
Calculation factor	f		1.1
Calculation factor	f1		0.99
Calculation factor	f2A		1
Calculation factor	f2B		1.03
Calculation factor	f2C		1.06
Calculation factor	fHC		1.01
Calculation factor	e		0.68
Calculation factor (single, tandem)	Y2		0.87
Calculation factor (single, tandem)	Y0		0.38
Calculation factor (single, tandem)	X2		0.41
Calculation factor (back-to-back, face-to-face)	Y1		0.92
Calculation factor (back-to-back, face-to-face)	Y2		1.41
Calculation factor (back-to-back, face-to-face)	Y0		0.76
Calculation factor (back-to-back, face-to-face)	X2		0.67

Mass

Mass bearing

0.77

kg

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