Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71900 ACE/P4A

71900 ACE/P4A

Dimensions

d		10	mm
D		22	mm
B		6	mm
d₁		14	mm
d₂		13.26	mm
D₁		17.92	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		7.2	mm

Abutment dimensions

d_a	min.	12	mm
d_b	min.	12	mm
D_a	max.	20	mm
D_b	max.	21.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		14.8	mm

Calculation data

Basic dynamic load rating	C	1.95	kN
Basic static load rating	C₀	0.78	kN
Fatigue load limit	P_u	0.032	kN
Attainable speed for grease lubrication		93000	r/min
Attainable speed for oil-air lubrication		140000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	11
Reference grease quantity	G_ref	0.1	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	17	N
Static axial stiffness, preload class A		25	N/µm
Preload class B	G_B	50	N
Static axial stiffness, preload class B		37	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		48	N/µm
Calculation factors
Calculation factor	f	1.03
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

0.009

Model Number: 71900 ACE/P4A
Inner Diameter：10mm Outer Diameter：22mm Width：6mm
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：2026-08-20
Application:miscellaneous instruments,Spectrum Products,wheel lathe,forklift industry,steam Hydraulic control element,Industrial Adhesive,Plastic Equipment,Oral Image,X-ray Equipment,Doppler,Machine tool accessories
Similar models:71900 CE/P4AH 71900 ACE/P4A 71900 CD/HCP4A 71900 ACE/HCP4A 71900 CE/P4A 71900 ACD/P4A 71900 ACE/P4AH 71900 CE/HCP4A S71900 CD/P4A 71900 CD/P4A
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Model No. Inner Diameter Outer Diameter Width Type

BD-22314 EK-AHX 2314 G
6019
81140 M
7208 BEGAP
7320 BEGAF

Purchase the SKF 71900 ACE/P4A Please fill in the following

Hot number： 214-Z 30221/DF 40x58x10 HMSA10 V 71813 CD/HCP4 71948 CD/P4A 99251 FY 45 TF/VA228 NCF 2334 ECJB/PEX NKX 45 NU 20/500 ECMA NU 311 ECM PRM 182125 PRM 909550 SY 1.7/16 WF ZW 75x85

Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-22314 EK-AHX 2314 G
6019
81140 M
7208 BEGAP
7320 BEGAF