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

71928 CD/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		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/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：2025-12-09
Application:other processing,Gear grinding machine,Automobile,Cylinder Standard,Spectrum Products,electrostatic protection,industrial supplies,Flame Cutting,top industry,medical equipment,magnetic elements
Similar models:71928 CD/P4AL 71928 ACD/HCP4AL S71928 CD/HCP4A 71928 CD/HCP4AH1 71928 ACD/HCP4AH1 71928 CD/HCP4AL 71928 ACD/P4AH1 S71928 CD/P4A 71928 CD/HCP4A S71928 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71928CD/HCP4A products，there is large inventory of SKF 71928 CD/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 CD/HCP4A Which SKF 71928CD/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
260x290x16 HDS2 D	260	290	16	Seals
42475	107.95	136.55	11.13	Seals
71908 CB/HCP4AL	40	62	12	Bearings, units and housings
GS 81126	130	170	9	Bearings, units and housings
NUP 2313 ECML	65	140	48	Bearings, units and housings
PCZ 2222 E	34.925	38.89375	34.925	Bearings, units and housings
QJ 306 N2PHAS	30	72	19	Bearings, units and housings
SNL 30/530	500	-	-	Bearings, units and housings
W 6003-2RS1/VP311	17	35	10	Bearings, units and housings
W 619/5	5	13	4	Bearings, units and housings
W 639/3-2Z	3	8	4	Bearings, units and housings
WS 81234	170		16.5	Bearings, units and housings

Purchase the SKF 71928 CD/HCP4A Please fill in the following

Hot number： 14215 294/1000 EF 34892 BC1-8028 FSAF 1616 x 2.3/4 GEZ 408 ESL-2LS HM 31/800 K 81130 TN NN 3034 K/SPW33 NU 332 ECML QJ 218 N2MA S71916 CD/HCP4A SAF 1620 TLC SYJ 65 TF W 619/7-2RS1