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

71911 CD/HCP4A

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		62.7	mm
d₂		62.7	mm
D₁		72.3	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_b	min.	59.6	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		64.7	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		19000	r/min
Attainable speed for oil-air lubrication		30000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	23
Reference grease quantity	G_ref	2.49	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	70	N
Static axial stiffness, preload class A		54	N/µm
Preload class B	G_B	140	N
Static axial stiffness, preload class B		72	N/µm
Preload class C	G_C	280	N
Static axial stiffness, preload class C		99	N/µm
Preload class D	G_D	560	N
Static axial stiffness, preload class D		140	N/µm
Calculation factors
Calculation factor	f	1.15
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	10.4

Mass

Mass bearing

0.15

Model Number: 71911 CD/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:vertical processing,chromatography,clean stationery,electronic materials,Internal thread type,Power equipment,Hydraulic Equipment,linear drive,experimental equipment,plastic rolling,Vacuum generator
Similar models:71911 CD/HCP4A 71911 ACB/HCP4AL 71911 CD/P4AL 71911 CE/HCP4A S71911 CE/HCP4A 71911 CB/HCP4AL S71911 CB/P4A 71911 ACB/P4A S71911 ACE/P4A S71911 ACE/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71911CD/HCP4A products，there is large inventory of SKF 71911 CD/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 CD/HCP4A Which SKF 71911CD/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.

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71924 ACE/HCP4A	120	165	22	Bearings, units and housings
7318 BECBP	90	190	43	Bearings, units and housings
AN 34	27.2542	-	169.1386	Bearings, units and housings
K 18x22x13	18	22	13	Bearings, units and housings
NATV 10	10	30	15	Bearings, units and housings
S71906 CB/HCP4A	30	47	9	Bearings, units and housings

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Hot number： 16078 22264 CCK/W33 2318 K 3209 A-2RS1 67533 7316 BECBY 811/710 M C 3152 HN 4020 KDMS 354-255/100 NU 316 ECPH NUTR 45 A SAFS 23024 KA x 4.3/16 W 6206-2RZ W 6300