Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71911 CE/P4AH1

71911 CE/P4AH1

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		62.75	mm
d₂		60.7	mm
D₁		72.3	mm
K		0.5	mm
C₁		3.83	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		16.2	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	15.3	kN
Basic static load rating	C₀	10.6	kN
Fatigue load limit	P_u	0.455	kN
Attainable speed for grease lubrication		24000	r/min
Attainable speed for oil-air lubrication		36000	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	83	N
Static axial stiffness, preload class A		42	N/µm
Preload class B	G_B	250	N
Static axial stiffness, preload class B		67	N/µm
Preload class C	G_C	500	N
Static axial stiffness, preload class C		92	N/µm
Calculation factors
Calculation factor	f	1.16
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	8.4

Mass

Mass bearing

0.17

Model Number: 71911 CE/P4AH1
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:surgical instruments,tooth filling,clean stationery,chemical instruments,Cylinder Pneumatic Treatment Element,Oral Image,E Beauty,drawing die,relay,generator,rolling mill roll neck and slowdown device
Similar models:S71911 CB/P4A 71911 ACB/HCP4A S71911 CE/HCP4A 71911 CB/HCP4AL S71911 ACB/P4A 71911 ACE/HCP4AH1 71911 ACE/P4A 71911 ACB/P4A S71911 ACB/HCP4A S71911 CB/HCP4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
11878	30.1752	52.37	6.35	Seals
15592	39.7002	61.9	7.95	Seals
210 NR	50	90	20	Bearings, units and housings
219 NR	95	170	32	Bearings, units and housings
22240 CCK/W33	200	360	98	Bearings, units and housings
6415	75	190	45	Bearings, units and housings
64x80x8 HMS5 V	64	80	8	Seals
70x90x10 CRWHA1 P	70	90	10	Seals
820 VRME R	786	-	-	Seals
85 VA R	76	-	-	Seals
HN 1412	14	20	12	Bearings, units and housings
KR 35 PPA	-	35	18	Bearings, units and housings

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Hot number： 1020 VRME R 1220 K + H 220 122580 71828 CD/HCP4 BC4B 319411 KMT 13 NJ 2220 ECJ PBM 5060100 M1G1 PF 1. TF PFD 12 TF RNAO 5x10x8 TN S7208 ACD/HCP4A SNW 122x3.15/16/VZ726 SNW 144x8 W 61706