Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71903 ACE/P4AH

71903 ACE/P4AH

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		63000	r/min
Attainable speed for oil-air lubrication		95000	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		35	N/µm
Preload class B	G_B	87	N
Static axial stiffness, preload class B		55	N/µm
Preload class C	G_C	175	N
Static axial stiffness, preload class C		71	N/µm
Calculation factors
Calculation factor	f	1.05
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
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

0.016

Model Number: 71903 ACE/P4AH
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：2021-06-07
Application:Grinding and polishing equipment,Insect Capture,storage and transportation equipment,fabric products,Hair styling device,rock drilling machinery,chemical raw materials and reagents,spectrometer,suction nozzle,generator,Storage Tool
Similar models:71903 CE/P4A 71903 ACE/P4A 71903 ACD/HCP4A S71903 ACD/P4A 71903 CE/P4AH 71903 ACE/P4AH 71903 CD/P4A 71903 CE/HCP4AH S71903 CD/P4A S71903 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71903ACE/P4AH products，there is large inventory of SKF 71903 ACE/P4AH 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/P4AH Which SKF 71903ACE/P4AH 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
32213	65	120	32.75	Bearings, units and housings
400160	14	-	-	Seals
44959	114.3	139.73	9.53	Seals
593604	683.5394	-	-	Seals
6306-2RZ	30	72	19	Bearings, units and housings
6308-ZNR	40	90	23	Bearings, units and housings
70028	177.8	209.55	15.88	Seals
71909 CB/HCP4AL	45	68	12	Bearings, units and housings
71911 CE/HCP4AL	55	80	13	Bearings, units and housings
HE 206	25.4	45	27	Bearings, units and housings
RMS 28	88.9	206.375	44.45	Bearings, units and housings
RSTO 20	25	47	15.8	Bearings, units and housings

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