Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71903 ACE/HCP4AH

71903 ACE/HCP4AH

Dimensions

d		17	mm
D		30	mm
B		7	mm
d₁		21.1	mm
d₂		20.1	mm
D₁		25.9	mm
K		0.5	mm
C₁		4.35	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		9.6	mm

Abutment dimensions

d_a	min.	19	mm
d_b	min.	19	mm
D_a	max.	28	mm
D_b	max.	29.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		22	mm

Calculation data

Basic dynamic load rating	C	3.19	kN
Basic static load rating	C₀	1.46	kN
Fatigue load limit	P_u	0.063	kN
Attainable speed for grease lubrication		75000	r/min
Attainable speed for oil-air lubrication		115000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	13
Reference grease quantity	G_ref	0.2	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	29	N
Static axial stiffness, preload class A		39	N/µm
Preload class B	G_B	87	N
Static axial stiffness, preload class B		61	N/µm
Preload class C	G_C	175	N
Static axial stiffness, preload class C		79	N/µm
Calculation factors
Calculation factor	f	1.05
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

0.014

Model Number: 71903 ACE/HCP4AH
Inner Diameter：17mm Outer Diameter：30mm Width：7mm
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：2024-12-14
Application:diving equipment,Pest Monitoring,crimping tools,garbage disposal,Oral Equipment,electronic materials,Technical Equipment,coupling type,chamfering machine etc,test laboratory equipment and accessories,non-ferrous metal alloy
Similar models:71903 ACE/P4A 71903 CE/P4A 71903 CE/HCP4AH 71903 CE/HCP4A S71903 ACD/P4A 71903 ACD/P4A S71903 ACD/HCP4A S71903 CD/HCP4A 71903 ACD/HCP4A 71903 ACE/HCP4AH
BEARING POWER International Trading Co.,Ltd. specialize in 71903ACE/HCP4AH products，there is large inventory of SKF 71903 ACE/HCP4AH Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71903 ACE/HCP4AH Which SKF 71903ACE/HCP4AH is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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