Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71911 CD/P4A

S71911 CD/P4A

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		62.7	mm
d₂		62.7	mm
D₂		74.57	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		15.6	mm

Abutment dimensions

d_a	min.	59.6	mm
d_a	max.	62.1	mm
d_b	min.	59.6	mm
d_b	max.	62.1	mm
D_a	max.	75.4	mm
D_b	max.	78	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	19.5	kN
Basic static load rating	C₀	14.6	kN
Fatigue load limit	P_u	0.62	kN
Attainable speed for grease lubrication		16000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	23
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	70	N
Static axial stiffness, preload class A		49	N/µm
Preload class B	G_B	140	N
Static axial stiffness, preload class B		65	N/µm
Preload class C	G_C	280	N
Static axial stiffness, preload class C		89	N/µm
Preload class D	G_D	560	N
Static axial stiffness, preload class D		126	N/µm
Calculation factors
Calculation factor	f	1.15
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	10.4

Mass

Mass bearing

0.18

Model Number: S71911 CD/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：2021-06-06
Application:clean stationery,injection molding machine,Body shaping,universal category,Spectrum Products,air shower etc,Hair styling device,tire industry,stamping die and its equipment,Industrial Electromechanical,E Beauty
Similar models:71911 ACE/HCP4AH1 71911 CE/HCP4A S71911 ACB/P4A 71911 ACB/P4A S71911 ACE/HCP4A S71911 CB/P4A 71911 ACE/P4A 71911 ACD/P4A 71911 CB/HCP4A 71911 ACB/P4AL
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18899	47.625	81	11.91	Seals
22582	57.15	88.9	11.13	Seals
23120-2RS5/VT143	100	165	52	Bearings, units and housings
4251	11.125	22.23	6.35	Seals
C 3292 KMB		830	296	Bearings, units and housings
GEZH 112 ES	44.45	80.963	46.228	Bearings, units and housings
HJ 244 EC	220	284	25	Bearings, units and housings
LM 567949/910/HA1	406.4	549.275	85.725	Bearings, units and housings
NU 210 ECML	50	90	20	Bearings, units and housings
OKC 330	330		-
RNA 4924	135	165	45	Bearings, units and housings
SAFS 22528 x 4.7/8 T	123.825	-	-	Bearings, units and housings

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Hot number： 22 VA R 22614 7016 ACB/HCP4AL 7220 BECBY 9243 FSAF 22215 TLC FSAF 22517 x 2.13/16 T FYTB 1.3/8 WDW NNU 41/750 K30M/W33 NUP 318 ECJ PCM 374030 M PCMS 1005002.5 E RMS 32 SSAFS 22534 x 5.13/16 W 6000-2RS1/VP311