Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71906 CD/HCP4A

71906 CD/HCP4A

Dimensions

d		30	mm
D		47	mm
B		9	mm
d₁		35.6	mm
d₂		35.6	mm
D₁		41.4	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		9.7	mm

Abutment dimensions

d_a	min.	32	mm
d_b	min.	32	mm
D_a	max.	45	mm
D_b	max.	45.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm
d_n		36.8	mm

Calculation data

Basic dynamic load rating	C	7.15	kN
Basic static load rating	C₀	4.55	kN
Fatigue load limit	P_u	0.193	kN
Attainable speed for grease lubrication		38000	r/min
Attainable speed for oil-air lubrication		53000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	20
Reference grease quantity	G_ref	0.63	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	25	N
Static axial stiffness, preload class A		29	N/µm
Preload class B	G_B	50	N
Static axial stiffness, preload class B		39	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		53	N/µm
Preload class D	G_D	200	N
Static axial stiffness, preload class D		74	N/µm
Calculation factors
Calculation factor	f	1.08
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	10.4

Mass

Mass bearing

0.045

Model Number: 71906 CD/HCP4A
Inner Diameter：30mm Outer Diameter：47mm Width：9mm
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：2025-11-28
Application:motorcycle,rock drilling machinery,electrostatic protection,hydraulic cylinder buffer,Laser Measurements,storage shelves,Hairbrush device,Generator,sanitation facilities,Equipment,hot and cold box
Similar models:71906 CE/HCP4AH S71906 ACD/HCP4A S71906 CE/P4A 71906 ACD/P4A 71906 CE/P4AL 71906 ACE/HCP4A S71906 CB/HCP4A 71906 ACE/P4AH S71906 CE/HCP4A S71906 ACB/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71906CD/HCP4A products，there is large inventory of SKF 71906 CD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71906 CD/HCP4A Which SKF 71906CD/HCP4A 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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HM 31/670	106	-	670	Bearings, units and housings
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NJ 212 ECJ	60	110	22	Bearings, units and housings
NU 412	60	150	35	Bearings, units and housings
NU 424	120	310	72	Bearings, units and housings
SAF 1517 TLC	74.6125	-	-	Bearings, units and housings
W 617/7	7	11	2.5	Bearings, units and housings

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