Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71928 ACD/HCP4AL

71928 ACD/HCP4AL

Dimensions

d		140	mm
D		190	mm
B		24	mm
d₁		155.4	mm
d₂		155.4	mm
D₁		174.6	mm
b		2.6	mm
C₁		13.3	mm
C₂		5.4	mm
C₃		2.9	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/HCP4AL
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：2021-06-04
Application:rolling machine,equipment,instrument,Hydraulic Equipment,Insect Capture,medical equipment,chamfer,forklift truck,Antenna Industry,instrumentation instrument,transistor fittings
Similar models:S71928 ACD/P4A 71928 ACD/HCP4AH1 71928 ACD/HCP4A 71928 ACD/P4AL 71928 CD/P4AH1 71928 ACD/P4AH1 S71928 CD/HCP4A 71928 CD/HCP4AL 71928 ACD/HCP4AL 71928 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71928ACD/HCP4AL products，there is large inventory of SKF 71928 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 71928 ACD/HCP4AL Which SKF 71928ACD/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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
13878	34.925	65.07	9.53	Seals
16245	41.275	63.55	7.95	Seals
22x47x7 HMSA10 V	22	47	7	Seals
578x640x30 HDS1 R	578	640	30	Seals
891/710 M	710	850	85	Bearings, units and housings
FYRP 2 11/16-18	68.2625	-	-	Bearings, units and housings
NJ 204 ECP	20	47	14	Bearings, units and housings
NJ 2212 ECP	60	110	28	Bearings, units and housings
PWM 556340	55	63	40	Bearings, units and housings
S71928 ACD/HCP4A	140	190	24	Bearings, units and housings
SYR 4-18	101.6	-	-	Bearings, units and housings
TU 1.3/16 TF	30.163	-	-	Bearings, units and housings

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Hot number： 15138 1450220 20x42x7 CRW1 R 275 VA V 27x47x10 HMS5 V 6060 M 7216 BEP 7318 BEGAM K 30x37x18 LR 17x20x20.5 NKXR 25 OKC 650 PFD 40 FM RNA 4905.2RS SAF 1517 x 2.7/8