Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71928 ACD/HCP4A

71928 ACD/HCP4A

Dimensions

d		140	mm
D		190	mm
B		24	mm
d₁		155.4	mm
d₂		155.4	mm
D₁		174.6	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm
a		50.6	mm

Abutment dimensions

d_a	min.	147	mm
d_b	min.	147	mm
D_a	max.	183	mm
D_b	max.	186	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm
d_n		159.5	mm

Calculation data

Basic dynamic load rating	C	90.4	kN
Basic static load rating	C₀	110	kN
Fatigue load limit	P_u	3.65	kN
Attainable speed for grease lubrication		7000	r/min
Attainable speed for oil-air lubrication		11000	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	29
Reference grease quantity	G_ref	21.6	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	560	N
Static axial stiffness, preload class A		386	N/µm
Preload class B	G_B	1120	N
Static axial stiffness, preload class B		507	N/µm
Preload class C	G_C	2240	N
Static axial stiffness, preload class C		681	N/µm
Preload class D	G_D	4480	N
Static axial stiffness, preload class D		933	N/µm
Calculation factors
Calculation factor	f	1.29
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

1.39

Model Number: 71928 ACD/HCP4A
Inner Diameter：140mm Outer Diameter：190mm Width：24mm
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：2024-12-13
Application:Spectrum Products,beverage production,plastic molding,hydraulic control element,manual Tools,tapping machine,pneumatic Pump,Grinding and polishing equipment,Broadcasting System,tire industry,vertical processing
Similar models:S71928 CD/P4A S71928 ACD/HCP4A 71928 CD/HCP4AL 71928 CD/HCP4A S71928 ACD/P4A 71928 ACD/P4AL 71928 CD/HCP4AH1 71928 ACD/P4AH1 71928 ACD/HCP4A 71928 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71928ACD/HCP4A products，there is large inventory of SKF 71928 ACD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71928 ACD/HCP4A Which SKF 71928ACD/HCP4A 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
100 VS V	90	-	-	Seals
2319 M	95	200	67	Bearings, units and housings
38 VA V	34	-	-	Seals
450 VL R	405	-	-	Seals
7019 ACB/P4A	95	145	24	Bearings, units and housings
90 VA V	81	-	-	Seals
AH 3232 G	150	160	124	Bearings, units and housings
BC4B 320455	820	1130	-	Bearings, units and housings
GEZ 308 ES	88.9	139.7	77.775	Bearings, units and housings
NJ 413	65	160	37	Bearings, units and housings
PSMF 182512 A51	18	25	12	Bearings, units and housings
SNW 138x6.13/16	173.0375	240.6396	171.3992	Bearings, units and housings

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