Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71918 ACE/HCP4A

S71918 ACE/HCP4A

Dimensions

d		90	mm
D		125	mm
B		18	mm
d₁		101	mm
d₂		97.9	mm
D₂		117.3	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		35.9	mm

Abutment dimensions

d_a	min.	96	mm
d_a	max.	100.4	mm
d_b	min.	93.2	mm
d_b	max.	97.3	mm
D_a	max.	119	mm
D_b	max.	121.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	28.6	kN
Basic static load rating	C₀	23.2	kN
Fatigue load limit	P_u	0.915	kN
Attainable speed for grease lubrication		15500	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	24
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	260	N
Static axial stiffness, preload class A		182	N/µm
Preload class B	G_B	780	N
Static axial stiffness, preload class B		274	N/µm
Preload class C	G_C	1560	N
Static axial stiffness, preload class C		360	N/µm
Calculation factors
Calculation factor	f	1.19
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.46

Model Number: S71918 ACE/HCP4A
Inner Diameter：90mm Outer Diameter：125mm 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：2024-12-13
Application:test equipment,insect experimental analysis instrument,flexible processing,Industrial Electromechanical,hydraulic cylinder,squeeze machine etc,meat products machine,medical equipment,steam Hydraulic control element,Medical equipment,dynamic blood pressure
Similar models:71918 ACE/HCP4AH1 71918 CB/HCP4AL S71918 ACB/HCP4A S71918 ACE/HCP4A S71918 ACB/P4A 71918 CB/P4A 71918 ACD/HCP4A 71918 ACD/P4A 71918 ACD/HCP4AL 71918 ACD/P4AH1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
15968	40.4876	66.62	7.95	Seals
18000	45.9994	89.9922	16.002	Seals
24060 CC/W33	300	460	160	Bearings, units and housings
310x350x18 HDS2 V	310	350	18	Seals
7018 ACD/HCP4AL	90	140	24	Bearings, units and housings
71909 CE/HCP4AH1	45	68	12	Bearings, units and housings
HK 4016	40	47	16	Bearings, units and housings
HM 259048/010/HA4	317.5	447.675	85.725	Bearings, units and housings
S7202 CD/P4A	15	35	11	Bearings, units and housings
SAF 1610 T	42.8625	-	-	Bearings, units and housings
W 6303-2RS1	17	47	14	Bearings, units and housings
Z 014	70	-	7	Seals

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Hot number： 213 NR 316011 52x68x8 HMS5 RG 53414 M + U 414 71917 CB/HCP4A 81253 9646 BC2B 326131/HB1 C 3072 KM FYJ 511 FYRP 2 15/16 G 30x37x4 NCF 29/600 V SA 25 C SAFS 22518-11 x 3.1/4 TLC