SKF S7019 CB/P4A Angular contact ball bearings, super-precision

SKF S7019 CB/P4A 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		95	mm
D		145	mm
B		24	mm
d1		113.7	mm
d2		111.15	mm
D2		130	mm
r1,2	min.	1.5	mm
r3,4	min.	1	mm
a		28.2	mm

Abutment dimensions

da	min.	102	mm
da	max.	112.9	mm
db	min.	102	mm
db	max.	110.4	mm
Da	max.	138	mm
Db	max.	140.4	mm
ra	max.	1.5	mm
rb	max.	1	mm

Calculation data

Basic dynamic load rating	C		37.7	kN
Basic static load rating	C0		44	kN
Fatigue load limit	Pu		1	kN
Attainable speed for grease lubrication			12000	r/min
Ball diameter	Dw		10.319	mm
Number of balls	z		26
Preload and stiffness (back-to-back, face-to-face)
Preload class A	GA		56	N
Static axial stiffness, preload class A			56	N/µm
Preload class B	GB		190	N
Static axial stiffness, preload class B			74	N/µm
Preload class C	GC		570	N
Static axial stiffness, preload class C			117	N/µm
Calculation factors
Calculation factor	f		1.07
Calculation factor	f1		1
Calculation factor	f2A		1
Calculation factor	f2B		1.02
Calculation factor	f2C		1.05
Calculation factor	fHC		1
Calculation factor	f0		9.7

Mass

Mass bearing

1.3

kg

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