Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71911 ACE/P4A

71911 ACE/P4A

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		62.75	mm
d₂		60.7	mm
D₁		72.3	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		23.5	mm

Abutment dimensions

d_a	min.	59.6	mm
d_b	min.	57	mm
D_a	max.	75.4	mm
D_b	max.	78	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		64.6	mm

Calculation data

Basic dynamic load rating	C	14.6	kN
Basic static load rating	C₀	10.2	kN
Fatigue load limit	P_u	0.43	kN
Attainable speed for grease lubrication		21000	r/min
Attainable speed for oil-air lubrication		32000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	21
Reference grease quantity	G_ref	2.3	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	133	N
Static axial stiffness, preload class A		105	N/µm
Preload class B	G_B	400	N
Static axial stiffness, preload class B		160	N/µm
Preload class C	G_C	800	N
Static axial stiffness, preload class C		210	N/µm
Calculation factors
Calculation factor	f	1.16
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.07
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

0.17

Model Number: 71911 ACE/P4A
Inner Diameter：55mm Outer Diameter：80mm Width：13mm
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：2025-11-28
Application:lifting tackle,Machine Tool Accessories,ultra-quiet generators,Infrared Technology,marine test,decoration machinery,medical equipment,linear drive,small appliances,non-ferrous metal alloy,manual Tools
Similar models:71911 ACE/HCP4AH1 S71911 CE/HCP4A S71911 CD/P4A 71911 ACB/HCP4A S71911 CE/P4A S71911 ACD/HCP4A S71911 CD/HCP4A S71911 ACE/P4A 71911 CB/P4A 71911 CD/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71911ACE/P4A products，there is large inventory of SKF 71911 ACE/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 71911 ACE/P4A Which SKF 71911ACE/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
6310	50	110	27	Bearings, units and housings
719/9 ACE/P4A	9	20	6	Bearings, units and housings
7202 ACD/HCP4A	15	35	11	Bearings, units and housings
7310 BE-2RZP	50	110	27	Bearings, units and housings
BT4B 332824/HA1	395	545	-	Bearings, units and housings
BD-C 2211 KV-H 311 E	50	100	25	Bearings, units and housings
FSAF 22615 x 2.1/2 TLC	63.5	-	-	Bearings, units and housings
HJ 416	80	122	22	Bearings, units and housings
P 72 R-30 TF	30	-	-	Bearings, units and housings
PCM 250255100 E	250	255	100	Bearings, units and housings
SAW 23518 T	80.9625	-	-	Bearings, units and housings
SIA 45 ES-2RS	45	-	32	Bearings, units and housings

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Hot number： 10124 32312 51101 V/HR11T1 524204 6218 N 53x68x8 CRW1 V 7022 CB/P4AL 811/750 M 891/560 M 91322 NN 3076 K/SPW33 PFD 20 TF SAFS 22522 x 3.11/16 SYFWK 35 LTHR YAT 216-300