Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71906 ACE/P4A

71906 ACE/P4A

Dimensions

d		30	mm
D		47	mm
B		9	mm
d₁		35.8	mm
d₂		34.4	mm
D₁		41.39	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		14.3	mm

Abutment dimensions

d_a	min.	32	mm
d_b	min.	32	mm
D_a	max.	45	mm
D_b	max.	46.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		36.8	mm

Calculation data

Basic dynamic load rating	C	5.27	kN
Basic static load rating	C₀	3.1	kN
Fatigue load limit	P_u	0.132	kN
Attainable speed for grease lubrication		37000	r/min
Attainable speed for oil-air lubrication		58000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	18
Reference grease quantity	G_ref	0.6	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	48	N
Static axial stiffness, preload class A		55	N/µm
Preload class B	G_B	145	N
Static axial stiffness, preload class B		85	N/µm
Preload class C	G_C	290	N
Static axial stiffness, preload class C		111	N/µm
Calculation factors
Calculation factor	f	1.08
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
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

0.05

Model Number: 71906 ACE/P4A
Inner Diameter：30mm Outer Diameter：47mm 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：2021-06-07
Application:raw material accessories,stamping die and its equipment,experimental equipment,Cylinder Standard,equipment,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,animal anatomy,cleaners,Gas turbine,sheet industry,Spectrum Products
Similar models:S71906 CB/P4A S71906 CB/HCP4A S71906 CE/HCP4A 71906 CB/P4A 71906 ACE/HCP4AH 71906 ACE/HCP4A S71906 ACB/P4A 71906 CE/P4A 71906 CD/HCP4A 71906 CE/HCP4AH
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Model No.	Inner Diameter	Outer Diameter	Width	Type
140x160x12 HMS5 V	140	160	12	Seals
1370x1420x20 HDS1 R	1370	1420	20	Seals
37532	95.25	126.97	11.13	Seals
6141	15.875	25.37	6.35	Seals
7007 ACE/HCP4AL	35	62	14	Bearings, units and housings
9520	24.13	34.49	6.99	Seals
FYAWK 1.1/4 LTA	31.75	-	-	Bearings, units and housings
IR 25x32x22	25	32	22	Bearings, units and housings
NJ 2310 ECPH	50	110	40	Bearings, units and housings
SAF 22522 x 3.13/16 T	96.8375	-	-	Bearings, units and housings
SAF 22538 x 7 TLC	177.8	-	-	Bearings, units and housings
SAKAC 30 M	30	-	37	Bearings, units and housings

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Hot number： 17390 17x37x7 HMSA10 V 239/600 CA/W33 29480 E 417506 7018 CB/P4AL 7022 CE/HCP4AL FYRP 2 3/4 HE 209 NU 19/900 ECMA SALKB 18 F SAW 23532 x 5.1/2 SI 17 ES SNW 140x7.3/16 SSAFS 22522 x 3.13/16 T