Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71905 CE/HCP4A

S71905 CE/HCP4A

Dimensions

d		25	mm
D		42	mm
B		9	mm
d₁		30.7	mm
d₂		29.4	mm
D₂		38.4	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		9.2	mm

Abutment dimensions

d_a	min.	27	mm
d_a	max.	30.3	mm
d_b	min.	27	mm
d_b	max.	29	mm
D_a	max.	40	mm
D_b	max.	41.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	5.27	kN
Basic static load rating	C₀	2.85	kN
Fatigue load limit	P_u	0.12	kN
Attainable speed for grease lubrication		58000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	16
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	28	N
Static axial stiffness, preload class A		23	N/µm
Preload class B	G_B	85	N
Static axial stiffness, preload class B		36	N/µm
Preload class C	G_C	170	N
Static axial stiffness, preload class C		49	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.05
Calculation factor	f_2C	1.09
Calculation factor	f_HC	1.01
Calculation factor	f₀	8.1

Mass

Mass bearing

0.038

Model Number: S71905 CE/HCP4A
Inner Diameter：25mm Outer Diameter：42mm 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：2025-12-09
Application:Industrial,preservation equipment,food testing,Machine tool accessories,Embroidery,Laser Devices,medical equipment,Spectrum Products,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,medical equipment,powder metallurgy
Similar models:S71905 CD/P4A S71905 ACE/P4A 71905 CE/HCP4AL 71905 CE/P4A 71905 ACD/P4A S71905 ACE/HCP4A S71905 CE/HCP4A S71905 ACD/HCP4A S71905 CE/P4A 71905 CD/P4A
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