Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71928 ACD/HCP4AH1

71928 ACD/HCP4AH1

Dimensions

d		140	mm
D		190	mm
B		24	mm
d₁		155.4	mm
d₂		155.4	mm
D₁		174.6	mm
K		0.5	mm
C₁		6.92	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		7000	r/min
Attainable speed for oil-air lubrication		11000	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		386	N/µm
Preload class B	G_B	1120	N
Static axial stiffness, preload class B		507	N/µm
Preload class C	G_C	2240	N
Static axial stiffness, preload class C		681	N/µm
Preload class D	G_D	4480	N
Static axial stiffness, preload class D		933	N/µm
Calculation factors
Calculation factor	f	1.29
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

1.39

Model Number: 71928 ACD/HCP4AH1
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:sheet industry,water,crimping tools,hydraulic actuator,bio-chemical,hook,dynamic blood pressure,sanitation facilities,other rubber,thread processing machine,bag machine
Similar models:71928 CD/HCP4A 71928 ACD/P4AL 71928 ACD/HCP4AL 71928 CD/P4AL 71928 ACD/HCP4AH1 S71928 CD/P4A 71928 CD/HCP4AH1 S71928 CD/HCP4A 71928 CD/HCP4AL S71928 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71928ACD/HCP4AH1 products，there is large inventory of SKF 71928 ACD/HCP4AH1 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/HCP4AH1 Which SKF 71928ACD/HCP4AH1 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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12446	31.75	50.8	6.35	Seals
1280 VRME R	1218	-	-	Seals
6021 N	105	160	26	Bearings, units and housings
6218 N	90	160	30	Bearings, units and housings
70x110x12 HMS5 V	70	110	12	Seals
75x110x12 HMSA10 V	75	110	12	Seals
C 3188 MB	440	720	226	Bearings, units and housings
FSNL 319 TURU	95	-	-	Bearings, units and housings
FSNL 520-617	88.9	-	-	Bearings, units and housings
FYJ 3/4 TF	19.05	-	-	Bearings, units and housings
IR 30x35x13 EGS	30	35	13	Seals
SAFS 22226 T	130	-	-	Bearings, units and housings

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Hot number： 240/800 BC 30324 30x62x7 HMSA10 V 61815-2RZ 70x92x12 HMSA10 RG 89949 AOH 24192 GRA 3021 GEZM 500 ES-2LS KMT 24 NA 2205.2RSX NAO 25x40x17 OH 31/710 H PBM 091410 M1 PL 600