Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71919 CD/HCP4AH1

71919 CD/HCP4AH1

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		12000	r/min
Attainable speed for oil-air lubrication		18000	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		112	N/µm
Preload class B	G_B	380	N
Static axial stiffness, preload class B		155	N/µm
Preload class C	G_C	760	N
Static axial stiffness, preload class C		220	N/µm
Preload class D	G_D	1520	N
Static axial stiffness, preload class D		323	N/µm
Calculation factors
Calculation factor	f	1.26
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	16.4

Mass

Mass bearing

0.49

Model Number: 71919 CD/HCP4AH1
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：2026-04-17
Application:chemical instruments,drawing die,training beds etc,Hydraulic Equipment,molding machine,Hydraulic Hose,casting embedding,Tool,hydraulic cylinder,Broadcasting System,embroidery cloth
Similar models:71919 CD/HCP4AH1 71919 ACD/HCP4A 71919 ACE/P4AL S71919 CD/P4A 71919 CD/HCP4AL 71919 ACD/HCP4AL S71919 CB/P4A 71919 ACE/P4A 71919 ACD/P4A 71919 CE/HCP4AH1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
20x42x7 HMS5 V	20	42	7	Seals
27x42x10 HMS5 RG	27	42	10	Seals
28x40x7 HMSA10 V	28	40	7	Seals
401100	99	-	-	Seals
6010-Z	50	80	16	Bearings, units and housings
HK 0606	6	10	6	Bearings, units and housings
KMT 2	16	-	15	Bearings, units and housings
NCF 18/800 V	800	980	82	Bearings, units and housings
PSMF 354535 A51	35	45	35	Bearings, units and housings
RN-4x34.8 BF/G2	-	-	4	Bearings, units and housings
SONL 238-538	170	-	-	Bearings, units and housings
Z 005	25	-	5	Seals

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Hot number： 130x180x12 HMS5 RG 140 VS R BD-23228 CCK/W33-AHX 3228 G 248/1500 CAK30FA/W20 332167 51105 V/HR11Q1 6005/HR11QN TQO design MB 8 A OH 3976 H S71918 CB/HCP4A SAF 1611 x 2 T SAF 23036 KAT x 6.5/16 W 61815-2Z XHCE 070/OK 200