Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71904 ACE/HCP4A

71904 ACE/HCP4A

Dimensions

d		20	mm
D		37	mm
B		9	mm
d₁		25.65	mm
d₂		24.4	mm
D₁		31.49	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		11.6	mm

Abutment dimensions

d_a	min.	22	mm
d_b	min.	22	mm
D_a	max.	35	mm
D_b	max.	36.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		26.7	mm

Calculation data

Basic dynamic load rating	C	4.68	kN
Basic static load rating	C₀	2.28	kN
Fatigue load limit	P_u	0.098	kN
Attainable speed for grease lubrication		60000	r/min
Attainable speed for oil-air lubrication		95000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	14
Reference grease quantity	G_ref	0.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	42	N
Static axial stiffness, preload class A		52	N/µm
Preload class B	G_B	130	N
Static axial stiffness, preload class B		76	N/µm
Preload class C	G_C	250	N
Static axial stiffness, preload class C		98	N/µm
Calculation factors
Calculation factor	f	1.04
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
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

0.032

Model Number: 71904 ACE/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：2024-12-14
Application:Medical printer,Roller,steam Hydraulic control element,chemical raw materials and reagents,bio-chemical,tapping machine,Spectrum Products,Cleaning equipment,aerial work equipment,hook,hardware
Similar models:S71904 CD/P4A 71904 ACD/HCP4A 71904 CD/P4A 71904 ACE/HCP4A 71904 ACD/P4A 71904 CD/HCP4A S71904 CD/HCP4A 71904 CE/HCP4A S71904 CE/HCP4A 71904 ACE/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71904ACE/HCP4A products，there is large inventory of SKF 71904 ACE/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 71904 ACE/HCP4A Which SKF 71904ACE/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
1000110	254	285.75	15.88	Seals
249/750 CA/W33	750	1000	250	Bearings, units and housings
33014T108.8/DB	70	110	-	Bearings, units and housings
465 VE R	453	-	-	Seals
7012 ACD/HCP4A	60	95	18	Bearings, units and housings
71922 ACE/HCP4AL	110	150	20	Bearings, units and housings
HA 3028	125.4125	165	82	Bearings, units and housings
S71920 ACE/P4A	100	140	20	Bearings, units and housings
SAF 22524 x 4.1/8	104.775	-	-	Bearings, units and housings
SAF 22628	125.4125	-	-	Bearings, units and housings
SAF 23048 KA x 8.1/2	215.9	-	-	Bearings, units and housings
W 6010-2Z	50	80	16	Bearings, units and housings

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