Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71906 ACB/HCP4A

71906 ACB/HCP4A

Dimensions

d		30	mm
D		47	mm
B		9	mm
d₁		35.95	mm
d₂		35.1	mm
D₂		43	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		16.5	mm

Abutment dimensions

d_a	min.	32	mm
d_b	min.	32	mm
D_a	max.	45	mm
D_b	max.	46.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		36.6	mm

Calculation data

Basic dynamic load rating	C	6.05	kN
Basic static load rating	C₀	4.9	kN
Fatigue load limit	P_u	0.127	kN
Attainable speed for grease lubrication		43000	r/min
Attainable speed for oil-air lubrication		67000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	22
Reference grease quantity	G_ref	0.72	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	27	N
Static axial stiffness, preload class A		58	N/µm
Preload class B	G_B	54	N
Static axial stiffness, preload class B		75	N/µm
Preload class C	G_C	160	N
Static axial stiffness, preload class C		114	N/µm
Calculation factors
Calculation factor	f	1.07
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
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

0.044

Model Number: 71906 ACB/HCP4A
Inner Diameter：30mm Outer Diameter：47mm 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:glass,storage shelves,Vertical machining,directional control valve,Film machine,Gear grinding machine,atomizer class,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,tower crane,Cylinder Pneumatic Treatment Element,Industrial
Similar models:71906 CE/HCP4AH 71906 ACB/P4A S71906 ACB/P4A 71906 ACE/HCP4A S71906 CD/P4A 71906 CD/HCP4A 71906 ACD/HCP4A S71906 ACD/HCP4A 71906 ACE/P4A 71906 ACD/P4A
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