Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71902 ACD/P4A

S71902 ACD/P4A

Dimensions

d		15	mm
D		28	mm
B		7	mm
d₁		18.9	mm
d₂		18.9	mm
D₂		25.8	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		8.5	mm

Abutment dimensions

d_a	min.	17	mm
d_a	max.	18.5	mm
d_b	min.	17	mm
d_b	max.	18.5	mm
D_a	max.	26	mm
D_b	max.	26.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	3.77	kN
Basic static load rating	C₀	1.8	kN
Fatigue load limit	P_u	0.078	kN
Attainable speed for grease lubrication		50000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	13
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	25	N
Static axial stiffness, preload class A		40	N/µm
Preload class B	G_B	50	N
Static axial stiffness, preload class B		51	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		67	N/µm
Preload class D	G_D	200	N
Static axial stiffness, preload class D		88	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

0.016

Model Number: S71902 ACD/P4A
Inner Diameter：15mm Outer Diameter：28mm 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：2025-12-09
Application:Industrial,metering pump,altimeter etc,Tool,small appliances,lifting chain,Spectral Products,comprehensive experiment,garden machinery,tube,flow control valve
Similar models:71902 ACD/P4A 71902 CD/HCP4A S71902 ACD/HCP4A 71902 ACE/P4A 71902 ACD/HCP4A 71902 ACE/P4AH 71902 CE/HCP4AH S71902 ACD/P4A 71902 CE/P4A 71902 CE/P4AH
BEARING POWER International Trading Co.,Ltd. specialize in S71902ACD/P4A products，there is large inventory of SKF S71902 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 S71902 ACD/P4A Which SKF S71902ACD/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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