Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71909 ACE/HCP4AL

71909 ACE/HCP4AL

Dimensions

d		45	mm
D		68	mm
B		12	mm
d₁		52.7	mm
d₂		51	mm
D₁		60.3	mm
b		2	mm
C₁		5.9	mm
C₂		2.3	mm
C₃		1.8	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		20	mm

Abutment dimensions

d_a	min.	48.2	mm
d_b	min.	47	mm
D_a	max.	64.8	mm
D_b	max.	66	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		54.2	mm

Calculation data

Basic dynamic load rating	C	9.75	kN
Basic static load rating	C₀	6.55	kN
Fatigue load limit	P_u	0.275	kN
Attainable speed for grease lubrication		30000	r/min
Attainable speed for oil-air lubrication		47000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	21
Reference grease quantity	G_ref	1.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	88	N
Static axial stiffness, preload class A		94	N/µm
Preload class B	G_B	265	N
Static axial stiffness, preload class B		141	N/µm
Preload class C	G_C	529	N
Static axial stiffness, preload class C		185	N/µm
Calculation factors
Calculation factor	f	1.09
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

0.12

Model Number: 71909 ACE/HCP4AL
Inner Diameter：45mm Outer Diameter：68mm Width：12mm
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：2021-06-05
Application:Vertical machining,car shock absorber,tower crane,Workpiece,manual Tools,transistor fittings,Display Devices,marine analysis,hydraulic cylinder,baler,surgical instruments
Similar models:71909 CB/P4AL S71909 CD/P4A 71909 CE/P4AH1 S71909 ACB/P4A 71909 CE/P4A 71909 ACE/HCP4AL 71909 CB/HCP4A 71909 ACE/P4AH1 71909 ACB/P4AL 71909 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71909ACE/HCP4AL products，there is large inventory of SKF 71909 ACE/HCP4AL Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71909 ACE/HCP4AL Which SKF 71909ACE/HCP4AL 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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10598	27	41.25	6.35	Seals
19445	49.2252	85.09	11.91	Seals
37320	95.25	111.15	6.35	Seals
HJ 221 EC	105	134.25	16	Bearings, units and housings
HM 624749/710	120.65	190.5	46.038	Bearings, units and housings
IR 33x37x13	33	37	13	Bearings, units and housings
NNC 4976 CV	380	520	140	Bearings, units and housings
NUP 222 ECML	110	200	38	Bearings, units and housings
OKC 750	750		-
RNA 4904 RS	25	37	17	Bearings, units and housings
SAW 23526	112.7125	-	-	Bearings, units and housings
STO 12 X	12	32	11.8	Bearings, units and housings

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Hot number： 16076 MA 22x32x7 CRS1 V 32215T78/DB 406103 C 3056 K FSYE 3 7/16 NK 15/20 NNC 4868 CV OH 3972 HE PFD 1.1/4 TF PSM 708060 A51 S7213 ACD/P4A SNW 3132x5.7/16 W 63803 YAR 210-115-2RF