Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71902 ACE/P4AH

71902 ACE/P4AH

Dimensions

d		15	mm
D		28	mm
B		7	mm
d₁		19.1	mm
d₂		18.1	mm
D₁		23.9	mm
K		0.5	mm
C₁		4.3	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		9.1	mm

Abutment dimensions

d_a	min.	17	mm
d_b	min.	17	mm
D_a	max.	26	mm
D_b	max.	27.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		20	mm

Calculation data

Basic dynamic load rating	C	3.02	kN
Basic static load rating	C₀	1.34	kN
Fatigue load limit	P_u	0.057	kN
Attainable speed for grease lubrication		68000	r/min
Attainable speed for oil-air lubrication		106000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	12
Reference grease quantity	G_ref	0.2	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	28	N
Static axial stiffness, preload class A		34	N/µm
Preload class B	G_B	84	N
Static axial stiffness, preload class B		51	N/µm
Preload class C	G_C	170	N
Static axial stiffness, preload class C		66	N/µm
Calculation factors
Calculation factor	f	1.04
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

0.015

Model Number: 71902 ACE/P4AH
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：2026-04-16
Application:office equipment,transportation equipment,Insect Count,Reflective Materials Industrial fabrics,spring industry,physical instruments,PVC,medical treatment,Machine Tool Accessories,Chromatography Products,forklift truck
Similar models:71902 ACD/P4A 71902 CE/P4AH 71902 ACE/HCP4AH 71902 CE/HCP4AH 71902 ACE/P4A 71902 ACE/P4AH 71902 CD/HCP4A 71902 CE/HCP4A S71902 ACD/HCP4A S71902 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71902ACE/P4AH products，there is large inventory of SKF 71902 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 71902 ACE/P4AH Which SKF 71902ACE/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.

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