Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71928 CD/HCP4A

S71928 CD/HCP4A

Dimensions

d		140	mm
D		190	mm
B		24	mm
d₁		155.4	mm
d₂		155.4	mm
D₂		178.25	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_a	max.	154.8	mm
d_b	min.	147	mm
d_b	max.	154.8	mm
D_a	max.	183	mm
D_b	max.	186	mm
r_a	max.	1.5	mm
r_b	max.	0.6	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
Ball diameter	D_w	15.875	mm
Number of balls	z	29
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

1.4

Model Number: S71928 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:Die,Anti-defibrillation pacing,Forklift industry,hydraulic pressure gauge,quality inspection equipment,Water Monitoring,Hydraulic Rama,Machine tool accessories,medical equipment,ultra-quiet generators,printing machinery
Similar models:71928 ACD/P4AH1 71928 ACD/HCP4AH1 71928 CD/P4AL S71928 ACD/HCP4A 71928 ACD/HCP4AL 71928 ACD/HCP4A 71928 ACD/P4AL 71928 ACD/P4A S71928 CD/HCP4A S71928 ACD/P4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
148x170x15 HMS5 RG	148	170	15	Seals
23032-2CS5K/VT143	160	240	60	Bearings, units and housings
25x52x8 HMSA10 V	25	52	8	Seals
30x40x7 HMS5 V	30	40	7	Seals
407903	759	-	-	Seals
7011 CE/P4A	55	90	18	Bearings, units and housings
7218 BECBP	90	160	30	Bearings, units and housings
7314 BEGBY	70	150	35	Bearings, units and housings
FBSA 208 A/QBC	40	-	165	Bearings, units and housings
NUP 307 ECML	35	80	21	Bearings, units and housings
SAF 1322 T	110	-	-	Bearings, units and housings
SI 60 ES-2RS	60	-	44	Bearings, units and housings

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Hot number： BD-23152-2CS5K/VT143-OH 3152 HTL 275 VL R 6306 ETN9 BD-C 3196 KMB-AOHX 3196 G FY 1.1/2 WDW FYTB 1.3/4 FM IR 6x9x16 NCF 3010 CV NJ 213 ECM RN-2.5x17.8 BF/G2 S7019 CD/P4A SAFS 22640 x 7.1/8 T SAFS 23048 KAT x 8.1/2 SAW 23538 x 6.7/8 W 6007