Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71905 ACE/HCP4A

S71905 ACE/HCP4A

Dimensions

d		25	mm
D		42	mm
B		9	mm
d₁		30.7	mm
d₂		29.4	mm
D₂		38.4	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		12.8	mm

Abutment dimensions

d_a	min.	27	mm
d_a	max.	30.3	mm
d_b	min.	27	mm
d_b	max.	29	mm
D_a	max.	40	mm
D_b	max.	41.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	4.94	kN
Basic static load rating	C₀	2.7	kN
Fatigue load limit	P_u	0.114	kN
Attainable speed for grease lubrication		52000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	16
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	45	N
Static axial stiffness, preload class A		57	N/µm
Preload class B	G_B	140	N
Static axial stiffness, preload class B		86	N/µm
Preload class C	G_C	270	N
Static axial stiffness, preload class C		111	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	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

0.038

Model Number: S71905 ACE/HCP4A
Inner Diameter：25mm Outer Diameter：42mm Width：9mm
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：2024-12-13
Application:industrial supplies,vacuum filter,heating fans,chemical,sterilizers,leather processing,chamfering machine etc,Spectrum Products,forklift truck,coal mill,Anti-defibrillation pacing
Similar models:S71905 ACE/P4A S71905 CE/HCP4A S71905 CD/HCP4A S71905 ACE/HCP4A S71905 CE/P4A 71905 ACE/HCP4AL 71905 ACD/HCP4A 71905 CE/P4AL 71905 ACE/HCP4A S71905 CD/P4A
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