Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71919 CD/HCP4A

S71919 CD/HCP4A

Dimensions

d		95	mm
D		130	mm
B		18	mm
d₁		105.8	mm
d₂		105.8	mm
D₂		122.18	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_a	max.	105.2	mm
d_b	min.	101	mm
d_b	max.	105.2	mm
D_a	max.	124	mm
D_b	max.	126	mm
r_a	max.	1	mm
r_b	max.	0.6	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
Ball diameter	D_w	11.112	mm
Number of balls	z	28
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

0.5

Model Number: S71919 CD/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：2026-04-16
Application:rock drilling machinery,Pneumatic Actuator,key lock,suction nozzle,electrocardiograph,blood cell reagent,Pneumatic Control Valves,Pneumatic Actuator,security equipment,Cylinder Special,Roller
Similar models:S71919 CD/HCP4A 71919 CE/P4AH1 71919 CD/HCP4A S71919 ACD/P4A 71919 ACB/P4A 71919 ACD/P4AH1 71919 CB/P4AL S71919 ACE/P4A 71919 CE/HCP4AL 71919 CB/HCP4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
3307 A	35	80	34.9	Bearings, units and housings
45x60x10 HMS5 RG	45	60	10	Seals
7226 BM	130	230	40	Bearings, units and housings
GE 180 TXA-2LS	180	260	105	Bearings, units and housings
HE 3120 E	88.9	130	76	Bearings, units and housings
MB 52	260	342	-	Bearings, units and housings
S7009 CB/P4A	45	75	16	Bearings, units and housings
S7011 CE/HCP4A	55	90	18	Bearings, units and housings
SAF 23030 KA x 5.1/4	133.35	-	-	Bearings, units and housings
SSAFS 22516 x 2.3/4 TLC	69.85	-	-	Bearings, units and housings
SYK 30 LD	30	-	-	Bearings, units and housings
YARAG 205-100	25.4	52	34.1	Bearings, units and housings

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Hot number： 15517 16290 18x30x6 HMSA10 V BD-231/560 CAK/W33-OH 31/560 H 545 VRME R 55x70x8 HMS5 RG 71821 ACD/HCP4 7218 BECBP BT4B 331161 BG/HA1 K 16x20x17 NU 219 ECM/C3VL0241 NU 306 ECM SAF 22538 x 6.13/16 T SAFS 22218-11 SYFWR 1.7/16 YZTHR