Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71919 CD/P4AH1

71919 CD/P4AH1

Dimensions

d		95	mm
D		130	mm
B		18	mm
d₁		105.8	mm
d₂		105.8	mm
D₁		119.2	mm
K		0.5	mm
C₁		5.2	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		24.1	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	49.4	kN
Basic static load rating	C₀	55	kN
Fatigue load limit	P_u	2.2	kN
Attainable speed for grease lubrication		9000	r/min
Attainable speed for oil-air lubrication		15000	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	190	N
Static axial stiffness, preload class A		101	N/µm
Preload class B	G_B	380	N
Static axial stiffness, preload class B		139	N/µm
Preload class C	G_C	760	N
Static axial stiffness, preload class C		198	N/µm
Preload class D	G_D	1520	N
Static axial stiffness, preload class D		291	N/µm
Calculation factors
Calculation factor	f	1.26
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	16.4

Mass

Mass bearing

0.58

Model Number: 71919 CD/P4AH1
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:hot and cold box,Plastic molding,X-ray Equipment,preservation equipment,labor insurance,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Garment Accessories,embroidery cloth,packaging materials,spring industry,marine analysis
Similar models:S71919 CB/HCP4A 71919 ACD/P4AL 71919 ACE/HCP4A 71919 CE/HCP4A 71919 ACD/P4A 71919 CB/HCP4A S71919 ACE/HCP4A S71919 CE/P4A 71919 CE/P4AL 71919 ACB/HCP4AL
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Hot number： 16003 30x50x10 HMS5 V 401205 470891 534949 7022 ACD/P4AL 811/750 M BT4B 332642/HA1 NU 264 MA NUP 313 ECML PCM 28028580 E SAF 22308 S7012 CD/HCP4A SAF 1518 x 3.1/8 SAF 22626 x 4.5/16 T