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：2026-04-16
Application:Industrial,sample cup,motorcycle,sewage pump,Tool,engine,comprehensive experiment,static control,Textile Industry Accessories and Accessories,noise reduction equipment,gear type
Similar models:71905 CE/P4AH S71905 CD/HCP4A S71905 CE/P4A S71905 ACE/HCP4A 71905 ACE/HCP4AH 71905 ACD/HCP4A 71905 CD/P4A 71905 ACE/HCP4A 71905 CD/HCP4A 71905 ACE/HCP4AL
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Hot number： 1700553 315869 C 411803 403953 51160 M 52x70x8 CRW1 R 530733 6206-ZNR 7009 CD/HCP4AH BT4B 331077 AG/HA1 FY 1.1/2 LDW GS 89438 KMK 7 NUTR 15 A SSAFS 23034 KATLC x 5.13/16