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

71919 ACD/P4A

Dimensions

d		95	mm
D		130	mm
B		18	mm
d₁		105.8	mm
d₂		105.8	mm
D₁		119.2	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		35.3	mm

Abutment dimensions

d_a	min.	101	mm
d_b	min.	101	mm
D_a	max.	124	mm
D_b	max.	126	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		108.6	mm

Calculation data

Basic dynamic load rating	C	46.2	kN
Basic static load rating	C₀	52	kN
Fatigue load limit	P_u	2.08	kN
Attainable speed for grease lubrication		8500	r/min
Attainable speed for oil-air lubrication		14000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	28
Reference grease quantity	G_ref	7.8	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	290	N
Static axial stiffness, preload class A		240	N/µm
Preload class B	G_B	580	N
Static axial stiffness, preload class B		315	N/µm
Preload class C	G_C	1160	N
Static axial stiffness, preload class C		420	N/µm
Preload class D	G_D	2320	N
Static axial stiffness, preload class D		576	N/µm
Calculation factors
Calculation factor	f	1.26
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

0.58

Model Number: 71919 ACD/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：2026-04-16
Application:Hydraulic Press,Processing machinery,supporting facilities,preservation equipment,instrumentation instrument,engine,mechanical annex,Infrared Technology,knitted fabrics,metal mold,noise reduction equipment
Similar models:S71919 ACE/P4A 71919 CD/HCP4A S71919 ACE/HCP4A S71919 ACD/HCP4A 71919 ACD/HCP4A S71919 ACB/P4A 71919 CD/HCP4AH1 S71919 CB/P4A S71919 CE/HCP4A 71919 ACD/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71919ACD/P4A products，there is large inventory of SKF 71919 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 71919 ACD/P4A Which SKF 71919ACD/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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