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

71911 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_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		22000	r/min
Attainable speed for oil-air lubrication		34000	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		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

0.18

Model Number: 71911 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：2021-06-03
Application:security equipment,ultra-quiet generators,Hydraulic Hose,non-motor vehicle Electric car,Digital Generator,Leather Products,Plastic molding,key lock,medical equipment,Wire grinder,rubber products machinery and equipment
Similar models:71911 ACE/P4AH1 71911 ACD/P4AL 71911 ACE/HCP4A 71911 ACD/HCP4AL S71911 ACE/HCP4A S71911 CB/HCP4A 71911 ACE/P4A 71911 CB/HCP4AL 71911 ACE/HCP4AH1 71911 ACB/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71911CB/P4A products，there is large inventory of SKF 71911 CB/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 CB/P4A Which SKF 71911CB/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.

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NU 1016 ECM/C3VL0241	80	125	22	Bearings, units and housings
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SAW 23520 x 3.5/16 TLC	84.1375	-	-	Bearings, units and housings
SAW 23524 x 4.1/16 T	103.1875	-	-	Bearings, units and housings
SYNT 70 FW	70	-	-	Bearings, units and housings

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Hot number： 150x180x15 HMS5 RG 22205/20 E 2318 M 29230 E 29412 E 42x66x10 HMS5 V 6040 M BT4B 334150 G/HA4VA901 BD-C 3172 KM-OH 3172 H GS 81238 K 95x103x30 NATR 5 X S71904 CD/HCP4A SAF 22538 x 6.7/8 SAFS 23028 KA x 4.13/16