Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71926 ACD/HCP4A

S71926 ACD/HCP4A

Dimensions

d		130	mm
D		180	mm
B		24	mm
d₁		145.4	mm
d₂		145.4	mm
D₂		168.25	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm
a		48.3	mm

Abutment dimensions

d_a	min.	137	mm
d_a	max.	144.8	mm
d_b	min.	137	mm
d_b	max.	144.8	mm
D_a	max.	173	mm
D_b	max.	176	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	87.1	kN
Basic static load rating	C₀	102	kN
Fatigue load limit	P_u	3.45	kN
Attainable speed for grease lubrication		7500	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	27
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	540	N
Static axial stiffness, preload class A		361	N/µm
Preload class B	G_B	1080	N
Static axial stiffness, preload class B		474	N/µm
Preload class C	G_C	2160	N
Static axial stiffness, preload class C		633	N/µm
Preload class D	G_D	4320	N
Static axial stiffness, preload class D		866	N/µm
Calculation factors
Calculation factor	f	1.25
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

1.31

Model Number: S71926 ACD/HCP4A
Inner Diameter：130mm Outer Diameter：180mm Width：24mm
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:plastic molding,marine analysis,steam Hydraulic control element,car,Optical detection,Pneumatic Actuator,spectrometer,crimping tools,beverage production,pipe fittings Steel industry,reducer
Similar models:71926 ACD/P4AH1 71926 ACD/HCP4AH1 S71926 CD/P4A 71926 ACD/P4A 71926 ACD/P4AL 71926 CD/HCP4AL 71926 CD/HCP4A 71926 ACD/HCP4AL 71926 CD/P4AL S71926 CD/HCP4A
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Hot number： 13688 241/900 ECAF/W33 27280 32213 40x55x8 HMS5 V 51214 6315/C3VL0241 6541 7019 CE/HCP4A 71909 CB/P4AL 91359 BT2B 332931 FSYE 3 11/16 N-118 NATV 25 PPA PWM 859580