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：2024-12-13
Application:special broaching machine,rolling mill roll neck and slowdown device,centrifugal pump,Security Equipment,Cylinder Standard,gantry processing,sanitation facilities,Grinding and polishing equipment,shaft milling machine,mechanical and electrical,car and accessories
Similar models:S71928 ACD/P4A 71928 ACD/HCP4A 71928 ACD/P4AL 71928 ACD/P4A 71928 CD/P4AL 71928 CD/P4AH1 71928 CD/HCP4AL S71928 CD/P4A 71928 CD/HCP4A 71928 ACD/HCP4AH1
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.

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Hot number： BD-23180-2CS5K/VT143-OH 3180 HE 32044T164 X/DB 35x50x10 HMS5 RG 4312 ATN9 6221 650 VE R N 1011 KTNHA/HC5SP NKIS 45 OKC 080 PCM 121412 M PCM 8590100 M SNW 15x2.3/8 SSAFS 22536 x 6.1/2 SYK 35 TR YSPAG 207