Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71911 CB/HCP4AL

71911 CB/HCP4AL

Dimensions

d		55	mm
D		80	mm
B		13	mm
d₁		63.94	mm
d₂		62.7	mm
D₂		73.2	mm
b		2	mm
C₁		6.5	mm
C₂		3.8	mm
C₃		1.7	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/HCP4AL
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:construction machinery and equipment,Broadcasting System,stacker lift platform,Automation,packing equipment,CNC,reinforced machinery,Film machine,Other Machine Tools,generator,climb ladder
Similar models:71911 CB/P4AL 71911 ACE/HCP4A 71911 CB/HCP4A 71911 CD/P4A 71911 CD/P4AL 71911 ACD/P4AL S71911 CE/HCP4A S71911 ACE/P4A S71911 CE/P4A S71911 ACB/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71911CB/HCP4AL products，there is large inventory of SKF 71911 CB/HCP4AL 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/HCP4AL Which SKF 71911CB/HCP4AL 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
13027	33.3502	47.6	9.53	Seals
23844	60.325	98.45	11.13	Seals
23936 CCK/W33	180	250	52	Bearings, units and housings
32938T102/DB	190	260	-	Bearings, units and housings
6052 M	260	400	65	Bearings, units and housings
90835	-	-	30	Seals
PCM 455020 M	45	50	20	Bearings, units and housings
SAF 22310	50	-	-	Bearings, units and housings
PRM 455060	45	50	60	Bearings, units and housings
S7014 CD/P4A	70	110	20	Bearings, units and housings
SNW 118x3.1/4	82.55	90	89.9922	Bearings, units and housings
WS 81222	110		11.5	Bearings, units and housings

Purchase the SKF 71911 CB/HCP4AL Please fill in the following

Hot number： 1350542 130x170x12 HMS5 RG 16x28x7 CRW1 R BD-239/1060 CAKF/W33-OH 39/1060 H 240/500 ECA/W33 26299 29950 32019 X 33014T108.8/DB 7016 CB/HCP4AL 71948 ACD/HCP4A FYTB 1.1/8 FM G 26x34x4 SY 2.11/16 TF W 628/5-2RZ