Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71928 ACD/P4AL

71928 ACD/P4AL

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		6000	r/min
Attainable speed for oil-air lubrication		9000	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		348	N/µm
Preload class B	G_B	1120	N
Static axial stiffness, preload class B		457	N/µm
Preload class C	G_C	2240	N
Static axial stiffness, preload class C		614	N/µm
Preload class D	G_D	4480	N
Static axial stiffness, preload class D		841	N/µm
Calculation factors
Calculation factor	f	1.29
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_2D	1.14
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

1.65

Model Number: 71928 ACD/P4AL
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：2021-06-03
Application:aerial work equipment,surgical instruments,agriculture,packaging materials,centrifugal pump,food add,hydraulic cylinder buffer,Display Devices,noise reduction equipment,gantry processing,Microwave Equipment
Similar models:71928 ACD/HCP4AL 71928 CD/P4AH1 71928 CD/P4AL 71928 ACD/P4AL S71928 ACD/P4A 71928 CD/HCP4AL S71928 CD/P4A 71928 ACD/HCP4A 71928 ACD/P4A 71928 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71928ACD/P4AL products，there is large inventory of SKF 71928 ACD/P4AL 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/P4AL Which SKF 71928ACD/P4AL 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
2307 EKM	35	80	31	Bearings, units and housings
6002-RSH	15	32	9	Bearings, units and housings
6301/HR11QN	12	37	12	Bearings, units and housings
7314 ACCBM	70	150	35	Bearings, units and housings
99491	130.175	139.5222	25.2984	Seals
GEM 40 ESX-2LS	40	62	38	Bearings, units and housings
H 2320 E	90	100	97	Bearings, units and housings
LR 7x10x10.5	7	10	10.5	Bearings, units and housings
NCF 29/600 V	600	800	118	Bearings, units and housings
W 607-2RS1	7	19	6	Bearings, units and housings
W 61800 R-2Z	10	19	5	Bearings, units and housings
W 619/3 R	3	8	3	Bearings, units and housings

Purchase the SKF 71928 ACD/P4AL Please fill in the following

Hot number： 340x380x18 HDS1 V 470851 523184 61803-2Z 71811 ACD/HCP4 90239 D/W R1-5 FYTBK 25 TR S7018 ACD/HCP4A SSAFS 22544 x 7.13/16 T W 6304 SYR 2 N W 61811 WBB1-8714-2ZS WS 89314