Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71903 ACD/P4A

S71903 ACD/P4A

Dimensions

d		17	mm
D		30	mm
B		7	mm
d₁		20.9	mm
d₂		20.9	mm
D₂		27.8	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		9	mm

Abutment dimensions

d_a	min.	19	mm
d_a	max.	20.5	mm
d_b	min.	19	mm
d_b	max.	20.5	mm
D_a	max.	28	mm
D_b	max.	28.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	3.97	kN
Basic static load rating	C₀	2	kN
Fatigue load limit	P_u	0.085	kN
Attainable speed for grease lubrication		45000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	14
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	25	N
Static axial stiffness, preload class A		42	N/µm
Preload class B	G_B	50	N
Static axial stiffness, preload class B		54	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		70	N/µm
Preload class D	G_D	200	N
Static axial stiffness, preload class D		93	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_2D	1.14
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

0.017

Model Number: S71903 ACD/P4A
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：2021-06-03
Application:electronic materials,rock drilling machinery,pneumatic,Oral Equipment,flexible processing,suction nozzle,trolley,switch,engineering machine,medical equipment,fabric products
Similar models:71903 ACE/HCP4AH 71903 ACD/HCP4A S71903 CD/HCP4A 71903 CE/HCP4A S71903 ACD/HCP4A S71903 ACD/P4A 71903 CE/HCP4AH 71903 CD/P4A 71903 CE/P4AH 71903 CE/P4A
BEARING POWER International Trading Co.,Ltd. specialize in S71903ACD/P4A products，there is large inventory of SKF S71903 ACD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the S71903 ACD/P4A Which SKF S71903ACD/P4A 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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Hot number： 16692 22209 EK 22425 24040 CC/W33 249/1180 CAK30F/W33 30208/DF 403953 51307 89448 M GEZM 600 ES-2RS NU 311 ECJ PBM 220240250 M1G1 RNU 220 ECP SAF 22622 TLC SYE 2 3/4 N-118