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

71919 CB/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		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		13000	r/min
Attainable speed for oil-air lubrication		20000	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		56	N/µm
Preload class B	G_B	120	N
Static axial stiffness, preload class B		73	N/µm
Preload class C	G_C	360	N
Static axial stiffness, preload class C		117	N/µm
Calculation factors
Calculation factor	f	1.13
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
Calculation factor	f₀	10

Mass

Mass bearing

0.61

Model Number: 71919 CB/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：2026-08-19
Application:pump accessories,construction machinery and equipment,vertical processing,Food testing,Laser Measurements,rubber products machinery and equipment,food / grain / food equipment,rock drilling machinery,Liposuction device,shaft milling machine,plastic blow molding
Similar models:71919 CD/P4AL S71919 CE/P4A 71919 ACB/HCP4AL 71919 CD/HCP4AH1 S71919 ACD/HCP4A S71919 ACE/HCP4A S71919 CE/HCP4A 71919 ACE/HCP4AH1 S71919 CB/HCP4A 71919 ACB/P4AL
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Model No. Inner Diameter Outer Diameter Width Type

59172 F
6208-2RZ
D/W ER1634-2ZS
NUP 238 ECM
SYE 1 11/16 N-118

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Hot number： 130x160x15 HMSA10 V 23030 CCK/W33 25x42x10 HMS5 RG 30087 470821 48x70x10 HMSA10 V BT2B 332911 C/HA1 BT4-0010 G/HA1C400VA903 C 31/630 MB FSAF 22216 FYWK 30 YTH MB 56 OKF 210 SNW 7x1.3/16 SYF 50 TF

Model No.	Inner Diameter	Outer Diameter	Width	Type
59172 F
6208-2RZ
D/W ER1634-2ZS
NUP 238 ECM
SYE 1 11/16 N-118