SKF 7022 CD/HCP4AL Angular contact ball bearings, super-precision

SKF 7022 CD/HCP4AL 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		110	mm
D		170	mm
B		28	mm
d1		128.5	mm
d2		128.5	mm
D1		151.5	mm
b		2.6	mm
C1		15.1	mm
C2		6.2	mm
C3		5.4	mm
r1,2	min.	2	mm
r3,4	min.	1	mm
a		32.9	mm

Abutment dimensions

da	min.	119	mm
db	min.	119	mm
Da	max.	161	mm
Db	max.	165	mm
ra	max.	2	mm
rb	max.	1	mm
dn		132.6	mm

Calculation data

Basic dynamic load rating	C		111	kN
Basic static load rating	C0		108	kN
Fatigue load limit	Pu		3.9	kN
Attainable speed for grease lubrication			9500	r/min
Attainable speed for oil-air lubrication			14000	r/min
Ball diameter	Dw		19.05	mm
Number of balls	z		20
Reference grease quantity	Gref		25.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	GA		420	N
Static axial stiffness, preload class A			135	N/µm
Preload class B	GB		840	N
Static axial stiffness, preload class B			184	N/µm
Preload class C	GC		1680	N
Static axial stiffness, preload class C			258	N/µm
Preload class D	GD		3360	N
Static axial stiffness, preload class D			374	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		15.5

Mass

Mass bearing

1.63

kg

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