Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71806 CD/HCP4

71806 CD/HCP4

Dimensions

d		30	mm
D		42	mm
B		7	mm
d₁		34.1	mm
d₂		34.1	mm
D₁		38.1	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		8.3	mm

Abutment dimensions

d_a	min.	32	mm
d_b	min.	32	mm
D_a	max.	40	mm
D_b	max.	41.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		34.5	mm

Calculation data

Basic dynamic load rating	C	4.42	kN
Basic static load rating	C₀	3.75	kN
Fatigue load limit	P_u	0.16	kN
Attainable speed for grease lubrication		38000	r/min
Attainable speed for oil-air lubrication		60000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	23
Reference grease quantity	G_ref	0.24	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	23	N
Static axial stiffness, preload class A		32	N/µm
Preload class B	G_B	70	N
Static axial stiffness, preload class B		55	N/µm
Preload class C	G_C	140	N
Static axial stiffness, preload class C		80	N/µm
Calculation factors
Calculation factor	f	1.14
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	16.8

Mass

Mass bearing

0.024

Model Number: 71806 CD/HCP4
Inner Diameter：30mm Outer Diameter：42mm Width：7mm
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：2026-04-16
Application:food safety,Laser Devices,Die,manual Tools,tobacco machinery,Digital Generator,teaching equipment,chemical instruments,Garment Accessories,product accessories,oral medical device
Similar models:71806 ACD/P4 71806 CD/HCP4 71806 ACD/HCP4 71806 CD/P4
BEARING POWER International Trading Co.,Ltd. specialize in 71806CD/HCP4 products，there is large inventory of SKF 71806 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 71806 CD/HCP4 Which SKF 71806CD/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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314517 A	530	780	-	Bearings, units and housings
330529 B	571.5	812.8	-	Bearings, units and housings
90023	228.6	266.7	15.88	Seals
N 203 ECP	17	40	12	Bearings, units and housings
NK 10/12 TN	10	17	12	Bearings, units and housings
NUH 2348 ECMH	240	500	155	Bearings, units and housings
OH 3084 H	400	420	212	Bearings, units and housings
PRM 323709.8	32	37	9.8	Bearings, units and housings
SAF 22518 x 3.1/8	79.375	-	-	Bearings, units and housings
SAF 23028 KATLC x 4.15/16	123.825	-	-	Bearings, units and housings
SCF 90 ES	90	-	60	Bearings, units and housings

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Hot number： 22x40x10 HMS5 RG 310x350x20 HDS2 D 404503 43072 7018 CD/HCP4AH1 7019 CB/P4AL 71911 CE/HCP4A 7219 BECBM 81132 TN 8786 980 VE R PWM 505850 SAF 22616 x 2.3/4 SAF 22622 x 3.11/16 SIL 80 TXE-2LS