Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71904 ACD/HCP4A

S71904 ACD/HCP4A

Dimensions

d		20	mm
D		37	mm
B		9	mm
d₁		25.6	mm
d₂		25.6	mm
D₂		34.15	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		11.2	mm

Abutment dimensions

d_a	min.	22	mm
d_a	max.	25.1	mm
d_b	min.	22	mm
d_b	max.	25.1	mm
D_a	max.	35	mm
D_b	max.	35.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	5.72	kN
Basic static load rating	C₀	3.05	kN
Fatigue load limit	P_u	0.129	kN
Attainable speed for grease lubrication		45000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	15
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	35	N
Static axial stiffness, preload class A		56	N/µm
Preload class B	G_B	70	N
Static axial stiffness, preload class B		73	N/µm
Preload class C	G_C	140	N
Static axial stiffness, preload class C		95	N/µm
Preload class D	G_D	280	N
Static axial stiffness, preload class D		125	N/µm
Calculation factors
Calculation factor	f	1.05
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

0.033

Model Number: S71904 ACD/HCP4A
Inner Diameter：20mm Outer Diameter：37mm Width：9mm
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:Laser Devices,medical equipment,hanging clamp,Plastic molding,security equipment,tobacco machinery,Perfusion device,boring bar boring bar,hydraulic cylinder,Hydraulic Rama,food packaging
Similar models:S71904 CE/HCP4A 71904 CE/P4AL 71904 CE/HCP4A 71904 ACD/HCP4A 71904 ACE/HCP4A S71904 ACD/P4A S71904 CD/HCP4A S71904 CE/P4A 71904 ACD/P4A S71904 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in S71904ACD/HCP4A products，there is large inventory of SKF S71904 ACD/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 S71904 ACD/HCP4A Which SKF S71904ACD/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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SYFJ 508	-	-	-	Bearings, units and housings

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Hot number： 180x210x15 HMSA10 V 30x52x10 HMS5 V 40108 650 VE R 71944 ACD/P4A 7218 ACD/P4A 7889 HK 1014.2RS HK 4012 K 81130 TN NA 4905 NNU 41/670 K30M/W33 SAF 22511 SHT 70 SYNT 55 LTF