Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71906 CB/P4A

S71906 CB/P4A

Dimensions

d		30	mm
D		47	mm
B		9	mm
d₁		35.95	mm
d₂		35.1	mm
D₂		43	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		12.2	mm

Abutment dimensions

d_a	min.	32	mm
d_a	max.	35.4	mm
d_b	min.	32	mm
d_b	max.	34.5	mm
D_a	max.	45	mm
D_b	max.	46.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	6.37	kN
Basic static load rating	C₀	5.2	kN
Fatigue load limit	P_u	0.134	kN
Attainable speed for grease lubrication		40000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	22
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	16	N
Static axial stiffness, preload class A		20	N/µm
Preload class B	G_B	32	N
Static axial stiffness, preload class B		27	N/µm
Preload class C	G_C	96	N
Static axial stiffness, preload class C		43	N/µm
Calculation factors
Calculation factor	f	1.07
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
Calculation factor	f₀	9.5

Mass

Mass bearing

0.05

Model Number: S71906 CB/P4A
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：2026-04-16
Application:non-ferrous metal alloy,hydraulic actuator,Machine Tool Accessories,chromatography,fabric products,tapered grinder,packing equipment,small appliances,switch,medical treatment,rubber products machinery and equipment
Similar models:71906 ACE/HCP4AH S71906 ACB/P4A 71906 CD/P4A 71906 ACD/P4A 71906 CE/P4AL 71906 CE/P4AH 71906 ACB/HCP4A S71906 CD/P4A 71906 CE/HCP4A 71906 CB/P4A
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NNF 5017 ADA-2LSV	85	130	60	Bearings, units and housings
NU 206 ECKP	30	62	16	Bearings, units and housings
W 619/7 R	7	17	5	Bearings, units and housings

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Hot number： 19x30x8 HMS5 V BD-22228-2CS5K/VT143-H 3128 L 32021 X 402002 7016 ACB/P4A AOH 2344 BK 1816 FYR 1 15/16-18 IR 50x55x25 N 224 ECP PCZ 5660 M SAF 22510 SYWR 1.1/4 AYTHR SAW 23518 x 3.1/4 SYR 3 1/2-18