Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71909 ACE/HCP4A

71909 ACE/HCP4A

Dimensions

d		45	mm
D		68	mm
B		12	mm
d₁		52.7	mm
d₂		51	mm
D₁		60.3	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/HCP4A
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：2024-12-13
Application:other CNC,wheel lathe,dye pigments,orthodontic material,engineering machine,medical Equipment,electromagnetic clutch,Cutting Machine,Die,sawing machine,sheet industry
Similar models:S71909 ACD/P4A S71909 ACE/HCP4A 71909 ACD/P4A 71909 CD/P4A S71909 ACE/P4A S71909 CB/P4A 71909 CE/HCP4AH1 71909 CB/HCP4A 71909 ACE/P4A 71909 CE/P4AH1
BEARING POWER International Trading Co.,Ltd. specialize in 71909ACE/HCP4A products，there is large inventory of SKF 71909 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 71909 ACE/HCP4A Which SKF 71909ACE/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
11134	28.575	41.25	6.5	Seals
23120-2RS5/VT143	100	165	52	Bearings, units and housings
7005 ACE/HCP4A	25	47	12	Bearings, units and housings
BK 1612	16	22	12	Bearings, units and housings
N 1020 KTN9/SP	100	150	24	Bearings, units and housings
NNCF 5048 CV	240	360	160	Bearings, units and housings
SD 30x37x4	30	37	4	Seals
SNL 3096 TURT	450	-	-	Bearings, units and housings
SSAFS 22218	90	-	-	Bearings, units and housings
SY 60 TF/VA228	60	-	-	Bearings, units and housings
SYR 1 1/2-3	38.1	-	-	Bearings, units and housings
W 61903-2RZ	17	30	7	Bearings, units and housings

Purchase the SKF 71909 ACE/HCP4A Please fill in the following

Hot number： 16007 BD-23176 CAK/W33-OH 3176 H 24036-2CS5/VT143 315869 C 32236/DF 7021 ACD/P4AH1 BC4-8029/HA4 BD-C 3168 KM-AOH 3168 G HE 2340 L IR 17x20x20 KR 22 PPA NU 2214 ECP PRM 859080 RNU 204 SAW 23536 x 6.5/16