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

71901 ACD/P4A

Dimensions

d		12	mm
D		24	mm
B		6	mm
d₁		16	mm
d₂		16	mm
D₁		20	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		7.3	mm

Abutment dimensions

d_a	min.	14	mm
d_b	min.	14	mm
D_a	max.	22	mm
D_b	max.	22.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm
d_n		16.8	mm

Calculation data

Basic dynamic load rating	C	2.55	kN
Basic static load rating	C₀	1.18	kN
Fatigue load limit	P_u	0.05	kN
Attainable speed for grease lubrication		56000	r/min
Attainable speed for oil-air lubrication		85000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	13
Reference grease quantity	G_ref	0.12	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	15	N
Static axial stiffness, preload class A		31	N/µm
Preload class B	G_B	30	N
Static axial stiffness, preload class B		39	N/µm
Preload class C	G_C	60	N
Static axial stiffness, preload class C		52	N/µm
Preload class D	G_D	120	N
Static axial stiffness, preload class D		69	N/µm
Calculation factors
Calculation factor	f	1.04
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_2D	1.14
Calculation factor	f_HC	1
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.01

Model Number: 71901 ACD/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：2026-04-16
Application:pneumatic,Cylinder Type,Medical equipment,Security Equipment,small appliances,water protection,,engineering machine,Pest Monitoring,Pneumatic Actuator,tire industry
Similar models:71901 CE/HCP4AH 71901 CE/HCP4A 71901 CE/P4A 71901 CD/HCP4A S71901 CD/P4A 71901 ACE/HCP4A 71901 ACD/HCP4A 71901 ACE/HCP4AH S71901 ACD/P4A 71901 ACE/P4AH
BEARING POWER International Trading Co.,Ltd. specialize in 71901ACD/P4A products，there is large inventory of SKF 71901 ACD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71901 ACD/P4A Which SKF 71901ACD/P4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
1094110	277.8252	309.58	15.88	Seals
16 VS V	14	-	-	Seals
407403	718	-	-	Seals
6004-2RSH	20	42	12	Bearings, units and housings
6012	60	95	18	Bearings, units and housings
6314-RS1	70	150	35	Bearings, units and housings
7016 CB/P4AL	80	125	22	Bearings, units and housings
71917 ACB/P4A	85	120	18	Bearings, units and housings
71922 ACD/HCP4AL	110	150	20	Bearings, units and housings
MB 30	150	205	-	Bearings, units and housings
RNA 4905	30	42	17	Bearings, units and housings
SAFS 22518-11 x 3.1/4	82.55	-	-	Bearings, units and housings

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Hot number： 16735 22244 CCK/W33 29413 E 595635 6012 709 CE/P4AH 91395 BS2-2224-2RS5/VT143 H 222 KM 2 KMT 7 NKI 50/25 NU 311 ECM/C3VL0241 OH 39/630 H S7000 ACD/HCP4A