Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71912 ACD/HCP4AL

71912 ACD/HCP4AL

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		67.7	mm
d₂		67.7	mm
D₁		77.3	mm
b		2.2	mm
C₁		6.5	mm
C₂		3.2	mm
C₃		2	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		23.5	mm

Abutment dimensions

d_a	min.	64.6	mm
d_b	min.	64.6	mm
D_a	max.	80.4	mm
D_b	max.	83	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		69.7	mm

Calculation data

Basic dynamic load rating	C	18.6	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	24
Reference grease quantity	G_ref	2.7	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	120	N
Static axial stiffness, preload class A		142	N/µm
Preload class B	G_B	240	N
Static axial stiffness, preload class B		184	N/µm
Preload class C	G_C	480	N
Static axial stiffness, preload class C		242	N/µm
Preload class D	G_D	960	N
Static axial stiffness, preload class D		324	N/µm
Calculation factors
Calculation factor	f	1.17
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.16

Model Number: 71912 ACD/HCP4AL
Inner Diameter：60mm Outer Diameter：85mm 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：2021-06-09
Application:tire industry,supporting facilities,Spectrum Products,sewage pump,chamfer,roller lathe,metal mold,Equipment,stamping die and its equipment,office equipment,rehabilitation training equipment
Similar models:S71912 CE/P4A 71912 ACD/HCP4A 71912 ACE/P4AL 71912 CB/P4AL S71912 ACE/HCP4A 71912 ACE/P4AH1 S71912 CD/HCP4A 71912 ACB/P4AL 71912 CB/P4A 71912 ACE/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71912ACD/HCP4AL products，there is large inventory of SKF 71912 ACD/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 71912 ACD/HCP4AL Which SKF 71912ACD/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.

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SAF 22534 x 5.7/8 TLC	149.225	-	-	Bearings, units and housings
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SNL 3060 TURT	280	-	-	Bearings, units and housings
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SSAFS 23028 KAT x 4.7/8	123.825	-	-	Bearings, units and housings

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