Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7019 ACD/HCP4A

S7019 ACD/HCP4A

Dimensions

d		95	mm
D		145	mm
B		24	mm
d₁		110.4	mm
d₂		110.4	mm
D₂		133.25	mm
r_1,2	min.	1.5	mm
r_3,4	min.	1	mm
a		40.1	mm

Abutment dimensions

d_a	min.	102	mm
d_a	max.	109.8	mm
d_b	min.	102	mm
d_b	max.	109.8	mm
D_a	max.	138	mm
D_b	max.	141	mm
r_a	max.	1.5	mm
r_b	max.	1	mm

Calculation data

Basic dynamic load rating	C	76.1	kN
Basic static load rating	C₀	76.5	kN
Fatigue load limit	P_u	2.9	kN
Attainable speed for grease lubrication		10000	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	21
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	480	N
Static axial stiffness, preload class A		286	N/µm
Preload class B	G_B	960	N
Static axial stiffness, preload class B		374	N/µm
Preload class C	G_C	1920	N
Static axial stiffness, preload class C		497	N/µm
Preload class D	G_D	3840	N
Static axial stiffness, preload class D		673	N/µm
Calculation factors
Calculation factor	f	1.15
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.08
Calculation factor	f_HC	1.02
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

1.01

Model Number: S7019 ACD/HCP4A
Inner Diameter：95mm Outer Diameter：145mm Width：24mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2026-04-16
Application:Pneumatic Control Valves,enzyme,climb ladder,plant determination,Reflective Materials Industrial fabrics,Medical printer,lathe,mechanical and electrical,coal mill,Optical Instruments,blood cell reagent
Similar models:7019 CB/HCP4AL PBM 170190240 M1G1 7019 ACD/HCP4AL 7019 ACE/HCP4AL 7019 CB/P4AL 7019 CB/HCP4A 7019 CE/P4A 7019 CD/P4AL 7019 CD/HCP4A 7019 CE/P4AL1
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