Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71820 ACD/HCP4

71820 ACD/HCP4

Dimensions

d		100	mm
D		125	mm
B		13	mm
d₁		108.2	mm
d₂		108.2	mm
D₁		117	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		32.8	mm

Abutment dimensions

d_a	min.	104.6	mm
d_b	min.	104.6	mm
D_a	max.	120.4	mm
D_b	max.	123	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		109.1	mm

Calculation data

Basic dynamic load rating	C	21.2	kN
Basic static load rating	C₀	27.5	kN
Fatigue load limit	P_u	1.1	kN
Attainable speed for grease lubrication		10000	r/min
Attainable speed for oil-air lubrication		15000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	34
Reference grease quantity	G_ref	3.2	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	190	N
Static axial stiffness, preload class A		234	N/µm
Preload class B	G_B	570	N
Static axial stiffness, preload class B		372	N/µm
Preload class C	G_C	1140	N
Static axial stiffness, preload class C		512	N/µm
Calculation factors
Calculation factor	f	1.4
Calculation factor	f₁	0.97
Calculation factor	f_2A	1
Calculation factor	f_2B	1.09
Calculation factor	f_2C	1.17
Calculation factor	f_HC	1.02
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

0.28

Model Number: 71820 ACD/HCP4
Inner Diameter：100mm Outer Diameter：125mm Width：13mm
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:metallurgy,diving equipment,Leather Products,Liposuction device,wall industry,orthodontic material,power tools,suction nozzle,Industrial,universal category,outdoor equipment
Similar models:71820 CD/P4 71820 ACD/P4 71820 ACD/HCP4 71820 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71820ACD/HCP4 products，there is large inventory of SKF 71820 ACD/HCP4 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71820 ACD/HCP4 Which SKF 71820ACD/HCP4 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
23035	58.7502	76.2	6.35	Seals
27324	69.85	92.02	11.13	Seals
51264 F	320	440	95	Bearings, units and housings
7000 CD/HCP4A	10	26	8	Bearings, units and housings
7002 CE/P4AH	15	32	9	Bearings, units and housings
71915 ACE/P4A	75	105	16	Bearings, units and housings
8x14x4 HMS1 R	8	14	4	Seals
97550	247.65	298.45	15.88	Seals
BT4-0040 E8/C355	220.662	314.325	-	Bearings, units and housings
K 60x68x23	60	68	23	Bearings, units and housings
NCF 2922 CV	110	150	24	Bearings, units and housings
SSAFS 22218 T	90	-	-	Bearings, units and housings

Purchase the SKF 71820 ACD/HCP4 Please fill in the following

Hot number： 23148-2CS5K/VT143 23196-2CS5K/VT143 27x43x7 HMS5 RG 31870 47383 51207 V/HR11T1 7307 BEGAP 7022 CB/P4AL 7412 BGAM NU 2080 ECMA NU 330 ECML NUP 2212 ECP OKF 670 SALKB 8 F W 61803-2Z