Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71911 CD/P4A

71911 CD/P4A

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		16000	r/min
Attainable speed for oil-air lubrication		26000	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		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: 71911 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：2024-12-13
Application:journal lathe,industrial supplies,special broaching machine,agriculture,climb ladder,spectrometer,Forming mold,non-motor vehicle Electric car,relay,Machine tool accessories,wall materials
Similar models:71911 CE/P4AH1 71911 CB/HCP4A S71911 CD/HCP4A S71911 CE/P4A 71911 ACD/HCP4A 71911 ACB/HCP4AL 71911 CE/HCP4AL 71911 ACD/P4AL 71911 ACE/P4AL 71911 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71911CD/P4A products，there is large inventory of SKF 71911 CD/P4A 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/P4A Which SKF 71911CD/P4A 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
23040	58.7502	76.2	11.13	Seals
28x40x7 CRW1 V	28	40	7	Seals
71912 ACB/HCP4A	60	85	13	Bearings, units and housings
71952 ACD/HCP4A	260	360	46	Bearings, units and housings
H 2318	80	120	86	Bearings, units and housings
NU 1038 ML	190	290	46	Bearings, units and housings
K 81138 M	190	240		Bearings, units and housings
OKCX 320	320		-
SA 6 C	6	-	6	Bearings, units and housings
SAFS 22534 TLC	150.8125	-	-	Bearings, units and housings
SAW 23518 x 3.1/16 T	77.7875	-	-	Bearings, units and housings
W 618/8 R	8	16	4	Bearings, units and housings

Purchase the SKF 71911 CD/P4A Please fill in the following

Hot number： 12x22x7 CRW1 V 311 31305/DF 32x52x8 CRW1 V 420x460x20 HS7 R 44960 71911 CE/P4AH1 99292 BK 2526 K 25x32x16 PBMF 223220 M1G1 PSM 151925 A51 T2ED 055 W 638/2.5-2Z Z 303 F