Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71828 ACD/P4

71828 ACD/P4

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		6000	r/min
Attainable speed for oil-air lubrication		9000	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		306	N/µm
Preload class B	G_B	1140	N
Static axial stiffness, preload class B		489	N/µm
Preload class C	G_C	2280	N
Static axial stiffness, preload class C		675	N/µm
Calculation factors
Calculation factor	f	1.43
Calculation factor	f₁	0.97
Calculation factor	f_2A	1
Calculation factor	f_2B	1.08
Calculation factor	f_2C	1.15
Calculation factor	f_HC	1
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

0.8

Model Number: 71828 ACD/P4
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：2026-07-25
Application:Pest Monitoring,Machine Tool Accessories,Special Equipment,Spectrum Products,Hydraulic Press,intermediate,marine analysis,spring industry,lifting tackle,vacuum suction cup,Laser Cutting
Similar models:71828 CD/HCP4 71828 ACD/HCP4 71828 ACD/P4 71828 CD/P4
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Model No. Inner Diameter Outer Diameter Width Type

620 VRME R
65x85x10 HMSA10 RG
OH 3268 H
SAFS 22538 x 6.13/16 TLC
TUWK 20 LTA

Purchase the SKF 71828 ACD/P4 Please fill in the following

Hot number： 17404 19965 294/950 EF 50x72x10 HMSA10 V 7018 ACD/P4AH1 71916 ACB/P4AL C 4120-2CS5V/GEM9 FYTBK 30 TD HK 1210 MVR1-12 NNU 41/1060 M/W33 PCM 10511060 E PFT 30 FM SAF 22617 x 2.13/16 T W 6306-2RS1

Model No.	Inner Diameter	Outer Diameter	Width	Type
620 VRME R
65x85x10 HMSA10 RG
OH 3268 H
SAFS 22538 x 6.13/16 TLC
TUWK 20 LTA