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：2026-04-17
Application:agriculture,medical treatment,ultra-quiet generators,metallurgical mold,paper processing machine,labor insurance,Low-voltage electrical equipment,Industrial,Insect Capture,noise reduction equipment,Spectral Products
Similar models:71828 CD/HCP4 71828 CD/P4 71828 ACD/P4 71828 ACD/HCP4
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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
11052	28.575	34.93	3.18	Seals
1175240	298.45	336.55	17.48	Seals
1322 KM	110	240	50	Bearings, units and housings
33011/DF	55	90	-	Bearings, units and housings
350 VA R	315	-	-	Seals
36177	92.075	117.5	9.53	Seals
510/560 F	560	610	38	Bearings, units and housings
850 VA R	785	-	-	Seals
BT4B 328083/HA1	333.375	469.9	-	Bearings, units and housings
GEP 440 FS	440	630	315	Bearings, units and housings
SAF 22218 TLC	90	-	-	Bearings, units and housings
W 628/7-2Z	7	14	5	Bearings, units and housings

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