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

71820 CD/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		21.6	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	22.5	kN
Basic static load rating	C₀	29	kN
Fatigue load limit	P_u	1.16	kN
Attainable speed for grease lubrication		11000	r/min
Attainable speed for oil-air lubrication		17000	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	120	N
Static axial stiffness, preload class A		99	N/µm
Preload class B	G_B	360	N
Static axial stiffness, preload class B		173	N/µm
Preload class C	G_C	720	N
Static axial stiffness, preload class C		256	N/µm
Calculation factors
Calculation factor	f	1.4
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.1
Calculation factor	f_2C	1.18
Calculation factor	f_HC	1.02
Calculation factor	f₀	17.4

Mass

Mass bearing

0.28

Model Number: 71820 CD/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:manual Tools,lifting equipment Hoisting hoist,Broadcasting System,Warehouse Shelf Equipment,crimping tools,bathroom facilities,Broadcasting System,lifting tackle,electric hydraulic lifting platform,Logistics Equipment,raw material accessories
Similar models:71820 ACD/P4 71820 CD/P4 71820 ACD/HCP4 71820 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71820CD/HCP4 products，there is large inventory of SKF 71820 CD/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 CD/HCP4 Which SKF 71820CD/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
12383	31.75	47.6	6.35	Seals
7015 ACE/HCP4AL1	75	115	20	Bearings, units and housings
7019 ACD/HCP4A	95	145	24	Bearings, units and housings
75x95x10 HMS5 V	75	95	10	Seals
95x115x12 HMS5 V	95	115	12	Seals
AOH 30/1060	1000	1060	385	Bearings, units and housings
NKI 15/16	15	27	16	Bearings, units and housings
NU 216 ECJ	80	140	26	Bearings, units and housings
S7006 ACD/HCP4A	30	55	13	Bearings, units and housings
SAFS 22528	125.4125	-	-	Bearings, units and housings
SNW 117x2.15/16	74.6125	112.0394	83.8708	Bearings, units and housings
SSAFS 22526 x 4.3/8	111.125	-	-	Bearings, units and housings

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Hot number： 12638 29492 EM 400354 7326 BM C 3138 V BT4B 332981/HA4 FY 35 TF/VA201 GEZ 104 ES-2RS K 80x88x40 ZW NJ 340 ECML NU 319 ECJ QJ 304 N2MA SAF 1617 T SAFS 22524 x 4.1/16 T YET 207-106