Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71828 ACD/HCP4

71828 ACD/HCP4

Dimensions

d		140	mm
D		175	mm
B		18	mm
d₁		151.3	mm
d₂		151.3	mm
D₁		163.71	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		45.8	mm

Abutment dimensions

d_a	min.	146	mm
d_b	min.	146	mm
D_a	max.	169	mm
D_b	max.	171.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		153.2	mm

Calculation data

Basic dynamic load rating	C	42.3	kN
Basic static load rating	C₀	58.5	kN
Fatigue load limit	P_u	2	kN
Attainable speed for grease lubrication		7000	r/min
Attainable speed for oil-air lubrication		11000	r/min
Ball diameter	D_w	10.319	mm
Number of balls	z	35
Reference grease quantity	G_ref	9.9	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	380	N
Static axial stiffness, preload class A		340	N/µm
Preload class B	G_B	1140	N
Static axial stiffness, preload class B		543	N/µm
Preload class C	G_C	2280	N
Static axial stiffness, preload class C		749	N/µm
Calculation factors
Calculation factor	f	1.43
Calculation factor	f₁	0.97
Calculation factor	f_2A	1
Calculation factor	f_2B	1.09
Calculation factor	f_2C	1.17
Calculation factor	f_HC	1.02
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

0.7

Model Number: 71828 ACD/HCP4
Inner Diameter：140mm Outer Diameter：175mm Width：18mm
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：2024-12-16
Application:electromagnet,vertical processing,Optical Instruments,leather processing,Insect Count,Industrial,Hydraulic Press,test equipment,Body shaping,spectrometer,Die
Similar models:71828 CD/P4 71828 CD/HCP4 71828 ACD/HCP4 71828 ACD/P4
BEARING POWER International Trading Co.,Ltd. specialize in 71828ACD/HCP4 products，there is large inventory of SKF 71828 ACD/HCP4 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71828 ACD/HCP4 Which SKF 71828ACD/HCP4 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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