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：2024-12-13
Application:sawing machine,Vertical pull,forming machine,molding machine,economic mold,woodworking machinery,food packaging,thin metal materials,Hairbrush device,Gas turbine,hydraulic cylinder buffer
Similar models:71820 ACD/P4 71820 CD/P4 71820 CD/HCP4 71820 ACD/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.

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135 TN9	5	19	6	Bearings, units and housings
15557	40.0812	61.16	7.95	Seals
25x40x8 HMSA10 V	25	40	8	Seals
404002	360	-	-	Seals
522828	1244.6	-	-	Seals
62/22-2RS1	22	50	14	Bearings, units and housings
8x18x5 HMS5 RG	8	18	5	Seals
99827	44.45	52.4002	17.4752	Seals
BA 4	4	10	4	Bearings, units and housings
IR 55x60x35	55	60	35	Bearings, units and housings
NKS 28	28	42	20	Bearings, units and housings
SYE 1 3/4 N	44.45	-	-	Bearings, units and housings

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Hot number： 1726212-2RS1 21069 2309 EKTN9 25110 38692 71932 CD/HCP4A 780x830x22 HS5 R 90898 99169 KMTA 14 NK 25/20 NK 6/12 TN NUP 226 ECJ PL 560 YARAG 207-107