Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71919 ACD/HCP4A

71919 ACD/HCP4A

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		9500	r/min
Attainable speed for oil-air lubrication		16000	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		266	N/µm
Preload class B	G_B	580	N
Static axial stiffness, preload class B		350	N/µm
Preload class C	G_C	1160	N
Static axial stiffness, preload class C		467	N/µm
Preload class D	G_D	2320	N
Static axial stiffness, preload class D		639	N/µm
Calculation factors
Calculation factor	f	1.26
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

0.49

Model Number: 71919 ACD/HCP4A
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：2026-08-19
Application:marine analysis and testing equipment,steam Hydraulic control element,centrifugal pump,light therapy instrument,medical Equipment,supporting facilities,engineering machinery,Automation,engineering machine,coal,coupling type
Similar models:S71919 ACE/HCP4A 71919 ACD/P4AH1 71919 ACB/P4A S71919 CD/HCP4A 71919 CB/P4AL 71919 ACB/P4AL 71919 CB/P4A 71919 ACD/P4AL 71919 CE/HCP4A S71919 ACE/P4A
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Model No. Inner Diameter Outer Diameter Width Type

1280 VE R
6004
BD-C 3060 KM-OH 3060 H
FSAF 22617 T
SSAFS 22340 T

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Hot number： 140x160x12 HMS5 V 180x200x15 HMS5 RG 50x80x8 HMSA10 RG 623-Z 6323 71911 ACB/P4A 71924 ACE/P4AH1 FYR 2 11/16-3 NAO 30x45x26 NCF 2996 V NJ 2312 ECM NK 18/20 OH 31/850 H SAF 22540 x 7.1/8 TLC SNL 3156 ATURA

Model No.	Inner Diameter	Outer Diameter	Width	Type
1280 VE R
6004
BD-C 3060 KM-OH 3060 H
FSAF 22617 T
SSAFS 22340 T