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

71919 CB/HCP4A

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		28.2	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	24.7	kN
Basic static load rating	C₀	30	kN
Fatigue load limit	P_u	0.75	kN
Attainable speed for grease lubrication		16000	r/min
Attainable speed for oil-air lubrication		24000	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	60	N
Static axial stiffness, preload class A		62	N/µm
Preload class B	G_B	120	N
Static axial stiffness, preload class B		82	N/µm
Preload class C	G_C	360	N
Static axial stiffness, preload class C		130	N/µm
Calculation factors
Calculation factor	f	1.13
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	f₀	10

Mass

Mass bearing

0.58

Model Number: 71919 CB/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：2025-12-09
Application:car steering pin,water protection,surgical instruments,Broadcasting System,Medical equipment,rubber products machinery and equipment,lifting chain,Traffic Fire Protection Equipment Security equipment,office equipment,chemical,Cylinder Pneumatic Treatment Element
Similar models:71919 ACD/HCP4AH1 71919 ACE/HCP4A 71919 ACE/P4AH1 71919 ACD/HCP4AL 71919 CB/HCP4A 71919 CE/P4AL 71919 ACB/P4AL 71919 ACD/P4A 71919 CD/HCP4AH1 71919 CD/P4AL
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Hot number： 1068453 22232 CCK/W33 24184 ECAK30/W33 6219 NR 7226 ACD/P4A 89315 TN FSAF 22515 x 2.1/2 NNU 4980 BK/SPW33 PF 1. TR PF 45 RM PWM 9511060 SD 35x45x4 SNW 3138x7 W 6209-2RS1 YAR 204-2RFGR/HV