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

S71911 CB/P4A

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_a	max.	63.3	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	13.5	kN
Basic static load rating	C₀	13.7	kN
Fatigue load limit	P_u	0.345	kN
Attainable speed for grease lubrication		22000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	28
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	33	N
Static axial stiffness, preload class A		34	N/µm
Preload class B	G_B	66	N
Static axial stiffness, preload class B		45	N/µm
Preload class C	G_C	200	N
Static axial stiffness, preload class C		73	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
Calculation factor	f₀	9.8

Mass

Mass bearing

0.19

Model Number: S71911 CB/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:packaging machinery,scientific instruments,medical equipment,electrostatic protection,X-ray Equipment,Equipment,transistor fittings,container finishing,electromagnet,Oral Image,lifting chain
Similar models:71911 CE/HCP4A 71911 CB/P4AL 71911 CE/P4AH1 71911 ACE/P4AH1 71911 ACB/HCP4A 71911 ACD/HCP4AL S71911 CD/HCP4A 71911 CD/HCP4A 71911 CB/HCP4A 71911 ACD/P4AL
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1650 VE R	1559	-	-	Seals
24126 CC/W33	130	210	80	Bearings, units and housings
26975	68.2752	101.68	11.91	Seals
FSAF 23024 KA x 4.1/8	104.775	-	-	Bearings, units and housings
GEZ 500 ESL-2LS	127	196.85	95.25	Bearings, units and housings
H 3024	110	145	72	Bearings, units and housings
N 320 ECM	100	215	47	Bearings, units and housings
NCF 2976 V	380	520	82	Bearings, units and housings
NKIB 5905	25	42	25	Bearings, units and housings
S7012 CD/HCP4A	60	95	18	Bearings, units and housings
SAF 22530 T	131.7625	-	-	Bearings, units and housings
SAFS 23044 KATLC x 7.15/16	201.6125	-	-	Bearings, units and housings

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Hot number： 31185 412803 49929 50618 51220 6305-Z 7020 CD/P4AL AOH 24180 BT2B 331554 B/HA1 GE 70 TXE-2LS IR 15x18x16.5 IR 5x8x12 PCM 151710 M SAFS 22526 W 61806