Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71801 CD/HCP4

71801 CD/HCP4

Dimensions

d		12	mm
D		21	mm
B		5	mm
d₁		15.1	mm
d₂		15.1	mm
D₁		18.1	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		4.7	mm

Abutment dimensions

d_a	min.	14	mm
d_b	min.	14	mm
D_a	max.	19	mm
D_b	max.	20.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		15.4	mm

Calculation data

Basic dynamic load rating	C	2.08	kN
Basic static load rating	C₀	1.18	kN
Fatigue load limit	P_u	0.05	kN
Attainable speed for grease lubrication		85000	r/min
Attainable speed for oil-air lubrication		130000	r/min
Ball diameter	D_w	2.381	mm
Number of balls	z	14
Reference grease quantity	G_ref	0.07	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	11	N
Static axial stiffness, preload class A		17	N/µm
Preload class B	G_B	33	N
Static axial stiffness, preload class B		28	N/µm
Preload class C	G_C	66	N
Static axial stiffness, preload class C		41	N/µm
Calculation factors
Calculation factor	f	1.06
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	15.4

Mass

Mass bearing

0.006

Model Number: 71801 CD/HCP4
Inner Diameter：12mm Outer Diameter：21mm Width：5mm
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：2025-11-27
Application:air conditioning tools,Warehouse Shelf Equipment,electrocardiograph,meat products machine,transportation equipment,diagnostic test paper,water protection,inorganic chemical,granulator,Spectral Products,switch
Similar models:71801 ACD/HCP4 71801 ACD/P4 71801 CD/P4 71801 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71801CD/HCP4 products，there is large inventory of SKF 71801 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 71801 CD/HCP4 Which SKF 71801CD/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
20x42x10 HMS5 V	20	42	10	Seals
27601	69.85	107.92	11.13	Seals
7024 ACB/HCP4A	120	180	28	Bearings, units and housings
71800 CD/HCP4	10	19	5	Bearings, units and housings
86805	-	-	50.8	Seals
BT2B 328130	260	480	-	Bearings, units and housings
FY 1.1/2 FM	38.1	-	-	Bearings, units and housings
HME 30/500	68	-	500	Bearings, units and housings
KMFE 13	15	-	65	Bearings, units and housings
NU 219 ECM/C3VL0241	95	170	32	Bearings, units and housings
S7016 CE/P4A	80	125	22	Bearings, units and housings
SONL 218-518	80.9625	-	-	Bearings, units and housings

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Hot number： 23044 CCK/W33 17x34x7.9 CRSA1 P 211 NR 23226 CCK/W33 330x370x20 HDS1 R 370x410x18 HDS1 R 71924 CE/HCP4AH1 7313 BEGAP FYTWK 1.3/16 YTH NJG 2314 VH NUP 312 ECJ OKBS 46 SAFS 22544 x 7.1/2 T SNW 21x3.11/16 W 61909