Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71901 CE/P4A

71901 CE/P4A

Dimensions

d		12	mm
D		24	mm
B		6	mm
d₁		16	mm
d₂		15.26	mm
D₁		19.95	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		5.7	mm

Abutment dimensions

d_a	min.	14	mm
d_b	min.	14	mm
D_a	max.	22	mm
D_b	max.	23.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		16.8	mm

Calculation data

Basic dynamic load rating	C	2.12	kN
Basic static load rating	C₀	0.915	kN
Fatigue load limit	P_u	0.039	kN
Attainable speed for grease lubrication		90000	r/min
Attainable speed for oil-air lubrication		137000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	12
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	34	N
Static axial stiffness, preload class B		17	N/µm
Preload class C	G_C	68	N
Static axial stiffness, preload class C		23	N/µm
Calculation factors
Calculation factor	f	1.04
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1
Calculation factor	f₀	7.8

Mass

Mass bearing

0.01

Model Number: 71901 CE/P4A
Inner Diameter：12mm Outer Diameter：24mm 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：2026-04-19
Application:mechanical and electrical,hydraulic connector,mechanical annex,Tool,marine analysis,Dental Drill etc,gear type,Garment Accessories,forklift truck,engine,plant determination
Similar models:71901 ACD/HCP4A 71901 CE/HCP4A 71901 ACE/P4AH 71901 CE/P4A 71901 CE/HCP4AH 71901 CD/P4A 71901 CD/HCP4A 71901 ACD/P4A S71901 CD/HCP4A S71901 ACD/P4A
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