Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71919 ACB/P4A

71919 ACB/P4A

Dimensions

d		95	mm
D		130	mm
B		18	mm
d₁		107.94	mm
d₂		106.36	mm
D₂		120.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		40.2	mm

Abutment dimensions

d_a	min.	101	mm
d_b	min.	101	mm
D_a	max.	124	mm
D_b	max.	126.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		109	mm

Calculation data

Basic dynamic load rating	C	22.9	kN
Basic static load rating	C₀	28	kN
Fatigue load limit	P_u	0.71	kN
Attainable speed for grease lubrication		12000	r/min
Attainable speed for oil-air lubrication		18000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	38
Reference grease quantity	G_ref	7.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	105	N
Static axial stiffness, preload class A		147	N/µm
Preload class B	G_B	210	N
Static axial stiffness, preload class B		188	N/µm
Preload class C	G_C	630	N
Static axial stiffness, preload class C		286	N/µm
Calculation factors
Calculation factor	f	1.13
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
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

0.61

Model Number: 71919 ACB/P4A
Inner Diameter：95mm Outer Diameter：130mm Width：18mm
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：2026-06-25
Application:Hydraulic Rama,metallurgical mold,tray industry,joint protection,switch,transistor fittings,spring industry,chemical,Other Machine Tools,ventilation heating equipment,food testing
Similar models:71919 ACE/P4AL S71919 ACE/P4A 71919 CE/P4AH1 S71919 ACB/HCP4A 71919 CE/P4A 71919 CD/P4AL 71919 CE/HCP4AH1 S71919 ACE/HCP4A 71919 CE/P4AL 71919 CB/P4A
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Model No. Inner Diameter Outer Diameter Width Type

2204 ETN9
32x45x7 HMS5 V
45x72x8 CRW1 V
99290
H 3032

Purchase the SKF 71919 ACB/P4A Please fill in the following

Hot number： 15x40x10 HMS5 RG 19226 23218 CC/W33 240/1180 CAF/W33 25 VA V 315869 C 71812 CD/P4 87580 BT4B 334105 BG/HA1 NJ 28/530 ECMA NU 419 M PCM 141615 E S7007 CD/P4A SAF 22509 T T4EB 240

Model No.	Inner Diameter	Outer Diameter	Width	Type
2204 ETN9
32x45x7 HMS5 V
45x72x8 CRW1 V
99290
H 3032