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：2021-06-03
Application:diving equipment,spreader series,Broadcasting System,internal combustion engine,die casting mold,power source,storage shelves,Grinding and polishing equipment,historical instruments,Body shaping,CNC
Similar models:71820 CD/HCP4 71820 ACD/HCP4 71820 CD/P4 71820 ACD/P4
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
23222 CCK/W33	110	200	69.8	Bearings, units and housings
450 VL V	405	-	-	Seals
6017 NR	85	130	22	Bearings, units and housings
61915-2RZ	75	105	16	Bearings, units and housings
AOH 24168	320	340	269	Bearings, units and housings
FYTB 1.11/16 WDW	42.863	-	-	Bearings, units and housings
PRM 20020560	200	205	60	Bearings, units and housings
RNA 6901	16	24	22	Bearings, units and housings
RNU 1016 ECM	91.5	125	22	Bearings, units and housings
SAFS 22517 T	74.6125	-	-	Bearings, units and housings
SI 40 ES-2RS	40	-	28	Bearings, units and housings
YAR 205-2FW/VA201	25	52	15	Bearings, units and housings

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

Hot number： 1220 K 241/630 ECA/W33 32060 X 6038 7012 CE/P4AL 7017 CE/P4AL1 71919 ACB/HCP4AL C 2210 V FYAWK 510 L FYR 2-18 IR 35x42x36 KRVE 47 PPA NATR 17 X SAFS 22232 SSAFS 22524 x 4.1/4