Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71900 CE/HCP4A

71900 CE/HCP4A

Dimensions

d		10	mm
D		22	mm
B		6	mm
d₁		14	mm
d₂		13.26	mm
D₁		17.92	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		5.4	mm

Abutment dimensions

d_a	min.	12	mm
d_b	min.	12	mm
D_a	max.	20	mm
D_b	max.	21.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		14.8	mm

Calculation data

Basic dynamic load rating	C	2.03	kN
Basic static load rating	C₀	0.815	kN
Fatigue load limit	P_u	0.034	kN
Attainable speed for grease lubrication		123000	r/min
Attainable speed for oil-air lubrication		185000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	11
Reference grease quantity	G_ref	0.1	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	11	N
Static axial stiffness, preload class A		11	N/µm
Preload class B	G_B	32	N
Static axial stiffness, preload class B		17	N/µm
Preload class C	G_C	65	N
Static axial stiffness, preload class C		24	N/µm
Calculation factors
Calculation factor	f	1.03
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	7.6

Mass

Mass bearing

0.008

Model Number: 71900 CE/HCP4A
Inner Diameter：10mm Outer Diameter：22mm Width：6mm
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:motor,Switch,diving equipment,engineering machine,Optical detection,directional control valve,hydraulic actuator,plastic molding,Surveying Surveying Instruments,Broadcasting System,Infrared Technology
Similar models:71900 CD/P4A S71900 CD/HCP4A 71900 ACD/P4A 71900 CE/P4A S71900 ACD/P4A 71900 CD/HCP4A 71900 ACD/HCP4A 71900 CE/HCP4A 71900 ACE/P4AH 71900 ACE/HCP4AH
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