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：2025-12-09
Application:Oral Image,air conditioning tools,Spectral Products,electronic components,rock drilling machinery,linear drive,electromagnet,water,Machine Tool Accessories,turret industry,pump
Similar models:71901 CD/P4A 71901 ACE/HCP4A 71901 CE/HCP4AH S71901 ACD/HCP4A 71901 CE/HCP4A 71901 ACD/P4A 71901 CE/P4A 71901 ACE/P4A 71901 ACE/P4AH 71901 CD/HCP4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
20x42x7 HMSA10 RG	20	42	7	Seals
25075	63.5	92.02	9.53	Seals
400405	36	-	-	Seals
7201 BEP	12	32	10	Bearings, units and housings
7415 BCBM	75	190	45	Bearings, units and housings
HCCE 015 R	16	152	-	Coupling systems
NK 90/35	90	110	35	Bearings, units and housings
OH 3996 H	450	480	200	Bearings, units and housings
PSM 222715 A51	22	27	15	Bearings, units and housings
S71918 ACB/HCP4A	90	125	18	Bearings, units and housings
SAFS 22517-11 x 2.13/16 T	71.4375	-	-	Bearings, units and housings
SD 18x24x3	18	24	3	Seals

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Hot number： 16008/HR11QN 20530 6217-2RS1 60x85x10 HMSA10 V 6309-2ZNR 71901 ACE/HCP4A 71907 CD/HCP4A 72x95x10 HMSA10 V BT4B 332967/HA4 NJ 206 ECML OKCX 180 SAF 22634 TLC SI 10 E SNL 613 TURU SSAFS 22540 x 7.1/8