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

71928 CD/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		34.2	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	95.6	kN
Basic static load rating	C₀	116	kN
Fatigue load limit	P_u	3.9	kN
Attainable speed for grease lubrication		8000	r/min
Attainable speed for oil-air lubrication		12000	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	360	N
Static axial stiffness, preload class A		162	N/µm
Preload class B	G_B	720	N
Static axial stiffness, preload class B		223	N/µm
Preload class C	G_C	1440	N
Static axial stiffness, preload class C		317	N/µm
Preload class D	G_D	2880	N
Static axial stiffness, preload class D		467	N/µm
Calculation factors
Calculation factor	f	1.29
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	16.6

Mass

Mass bearing

1.39

Model Number: 71928 CD/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：2025-12-09
Application:Doppler,container finishing,metering pump,agricultural testing and analysis equipment and related,garden machinery,Industrial Electromechanical,diagnostic test paper,tire industry,Die,hydraulic connector,horizontal processing
Similar models:71928 CD/HCP4A S71928 ACD/P4A 71928 CD/P4AL 71928 ACD/HCP4AL S71928 CD/P4A S71928 ACD/HCP4A 71928 ACD/P4AH1 71928 CD/P4AH1 S71928 CD/HCP4A 71928 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71928CD/HCP4AL products，there is large inventory of SKF 71928 CD/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 CD/HCP4AL Which SKF 71928CD/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.

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240/500 ECA/W33	500	720	218	Bearings, units and housings
300x335x18 HDS2 R	300	335	18	Seals
331780 A	762	965.2	-	Bearings, units and housings
40x52x7 CRW1 V	40	52	7	Seals
405053	493	-	-	Seals
528273	1117.6	-	-	Seals
61907-2RZ	35	55	10	Bearings, units and housings
7011 CD/P4A	55	90	18	Bearings, units and housings
71915 ACD/HCP4AH1	75	105	16	Bearings, units and housings
D/W R2A-2Z	3.175	12.7	4.366	Bearings, units and housings
FYRP 4	101.6	-	-	Bearings, units and housings
NJ 416	80	200	48	Bearings, units and housings

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