Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71806 CD/P4

71806 CD/P4

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		32000	r/min
Attainable speed for oil-air lubrication		50000	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		29	N/µm
Preload class B	G_B	70	N
Static axial stiffness, preload class B		49	N/µm
Preload class C	G_C	140	N
Static axial stiffness, preload class C		72	N/µm
Calculation factors
Calculation factor	f	1.14
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.09
Calculation factor	f_2C	1.16
Calculation factor	f_HC	1
Calculation factor	f₀	16.8

Mass

Mass bearing

0.026

Model Number: 71806 CD/P4
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:car and accessories,magnetic elements,Hydraulic Couplings,fabric products,set bacteria instrument,Vertical machining,cleaning agent,education model Instruments,medical treatment,drawing die,motor
Similar models:71806 CD/P4 71806 ACD/P4 71806 ACD/HCP4 71806 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71806CD/P4 products，there is large inventory of SKF 71806 CD/P4 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/P4 Which SKF 71806CD/P4 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
16257	41.275	63.551	9.5	Seals
23126 CCK/W33	130	210	64	Bearings, units and housings
314-2Z	70	150	35	Bearings, units and housings
45x75x8 HMS5 V	45	75	8	Seals
4985	12.7	25.37	6.35	Seals
71912 CB/HCP4AL	60	85	13	Bearings, units and housings
C 2210 TN9	50	90	23	Bearings, units and housings
C 30/600 M	600	870	200	Bearings, units and housings
KMD 4	18	-	20	Bearings, units and housings
PF 1.1/2 FM	38.1	-	-	Bearings, units and housings
SAFS 23048 KAT x 8.15/16	227.0125	-	-	Bearings, units and housings
SSAFS 23048 KATLC x 8.1/2	215.9	-	-	Bearings, units and housings

Purchase the SKF 71806 CD/P4 Please fill in the following

Hot number： BD-22232-2CS5K/VT143-H 3132 BD-231/500 CAK/W33-OH 31/500 H 32322/DF 61807-2RS1 6208-2ZNR 812/1000 M BTM 180 AM/P4CDB C 4040 V NN 3012 TN/SP NU 2238 ECM NUP 213 ECJ QJ 309 MA SAFS 22236 TLC SE 512-610 SSAFS 23056 KAT x 10.7/16