Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71911 ACE/HCP4A

71911 ACE/HCP4A

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		25000	r/min
Attainable speed for oil-air lubrication		39000	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		116	N/µm
Preload class B	G_B	400	N
Static axial stiffness, preload class B		178	N/µm
Preload class C	G_C	800	N
Static axial stiffness, preload class C		233	N/µm
Calculation factors
Calculation factor	f	1.16
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_HC	1.01
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

0.14

Model Number: 71911 ACE/HCP4A
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：2025-12-09
Application:thin metal materials,water protection,product accessories,Warehouse Shelf Equipment,car instrument,security equipment,wire industry,vacuum suction cup,van,Spectrum Products,screen filter
Similar models:S71911 ACD/HCP4A S71911 ACE/P4A 71911 CB/P4A 71911 CE/HCP4A 71911 CE/P4AH1 71911 CB/HCP4AL 71911 ACD/HCP4AL 71911 ACB/P4A 71911 CE/HCP4AH1 S71911 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71911ACE/HCP4A products，there is large inventory of SKF 71911 ACE/HCP4A 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/HCP4A Which SKF 71911ACE/HCP4A 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
115x140x12 CRW1 R1	115	140	12	Seals
1400234	355.6	393.7	15.88	Seals
16011	55	90	11	Bearings, units and housings
3311 A-2RS1	55	120	49.2	Bearings, units and housings
51230 M	150	215	50	Bearings, units and housings
6024-2RS1	120	180	28	Bearings, units and housings
7024 CD/HCP4AH1	120	180	28	Bearings, units and housings
HJ 316 EC	80	110.45	17	Bearings, units and housings
KMFE 19 L	20	-	95	Bearings, units and housings
PBMF 240260140 M1G1	240	260	140	Bearings, units and housings
SAF 1520 x 3.1/2	88.9	-	-	Bearings, units and housings
SAF 22238 T	190	-	-	Bearings, units and housings

Purchase the SKF 71911 ACE/HCP4A Please fill in the following

Hot number： 2206 EKTN9 + H 306 3209 A-2Z 332244 B 35095 52x72x10 HMS5 RG 7092 AM 95x120x12 HMS5 V FYE 1 7/16 C 5915-2CS5V/GEM9 GAC 100 F HJ 1038 NU 1056 M SAF 1507 x 1.1/8 T SAF 1522 x 4 TLC SAF 22632 x 5.3/8