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

71911 CB/HCP4A

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		63.94	mm
d₂		62.7	mm
D₂		73.2	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		18.8	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		64.8	mm

Calculation data

Basic dynamic load rating	C	13.5	kN
Basic static load rating	C₀	13.7	kN
Fatigue load limit	P_u	0.345	kN
Attainable speed for grease lubrication		28000	r/min
Attainable speed for oil-air lubrication		43000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	28
Reference grease quantity	G_ref	2.58	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	33	N
Static axial stiffness, preload class A		38	N/µm
Preload class B	G_B	66	N
Static axial stiffness, preload class B		50	N/µm
Preload class C	G_C	200	N
Static axial stiffness, preload class C		80	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	f₀	9.8

Mass

Mass bearing

0.17

Model Number: 71911 CB/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：2026-04-16
Application:ventilation heating equipment,Pneumatic Control Valves,medical equipment,small diesel generators,Vertical pull,position switch,Industrial Adhesive,vacuum filter,machine lathe,Seals,manual Tools
Similar models:71911 ACB/P4A 71911 CB/P4AL S71911 ACE/P4A 71911 CE/P4AH1 71911 CB/HCP4AL 71911 ACD/HCP4A 71911 ACB/HCP4A 71911 ACB/HCP4AL 71911 CE/HCP4AL S71911 ACB/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71911CB/HCP4A products，there is large inventory of SKF 71911 CB/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 CB/HCP4A Which SKF 71911CB/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
BD-23156 CCK/W33-OH 3156 H	260	460	146	Bearings, units and housings
24934	63.5	85.62	9.53	Seals
25074	63.5	92.02	9.53	Seals
3305 A-2Z	25	62	25.4	Bearings, units and housings
40x62x8 HMS5 V	40	62	8	Seals
48x62x8 HMSA10 V	48	62	8	Seals
4909	12.7	17.48	4.32	Seals
590 VE R	575	-	-	Seals
91350	-	-	44	Seals
99331	84.0867	93.6752	25.4	Seals
H 209	40	65	33	Bearings, units and housings
SNW 26x4.3/8	111.125	171.577	95.3008	Bearings, units and housings

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

Hot number： 45x68x10 HMS5 V 52x72x10 HMS5 RG 6309-2ZNR 81172 M 71918 ACE/HCP4A 90x140x12 CRWA1 R TQO design H 2322 HE 320 NK 73/35 PBM 223220 M1G1 PCZ 4860 E SAF 1315 TLC SAW 23540 x 7.1/4 T SY 1.3/4 TF/VA201