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SIQ20ES Rod End image

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SIQ20ES Rod End Systems

Bearing number:71903 ACD/P4A
Size (mm):30x17x7
Bore Diameter (mm):30
Outer Diameter (mm):17
Width (mm):7
d:17 mm
D:30 mm
B:7 mm
d1:20.9 mm
d2:20.9 mm
D1:25.7 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.2 mm
a:9 mm
da - min.:19 mm
db - min.:19 mm
Da - max.:28 mm
Db - max.:28.6 mm
ra - max.:0.3 mm
rb - max.:0.2 mm
dn:22.1 mm
Basic dynamic load rating - C:4 kN
Basic static load rating - C0:2 kN
Fatigue load limit - Pu:0.085 kN
Limiting speed for grease lubrication:45000 r/min
Limiting speed for oil lubrication:67000 mm/min
Ball - Dw:3.969 mm
Ball - z:14
Gref:0.24 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:25 N
Preload class B - GB:50 N
Preload class C - GC:100 N
Preload class D - GD:200 N
Calculation factor - f:1.05
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.08
Calculation factor - f2D:1.14
Calculation factor - fHC:1
Preload class A:42 N/micron
Preload class B:54 N/micron
Preload class C:70 N/micron
Preload class D:93 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0.024
Product Group:B04270
Enclosure:Open
Precision Class:ABEC 7 | ISO P4
Material - Ball:Steel
Number of Bearings:1 (Single)
Contact Angle:25 Degree
Preload:None
Raceway Style:1 Rib Outer Ring
Cage Material:Phenolic
Rolling Element:Ball Bearing
Flush Ground:No
Inch - Metric:Metric
Other Features:Single Row | Angular Contact | High Precision
Long Description:17MM Bore; 30MM Outside Diameter; 7MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearings; 25 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Race
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Angular Contact Ball
Manufacturer Item Number:71903 ACD/P4A
Weight / LBS:0.053
Bore:0.669 Inch | 17 Millimeter
Width:0.276 Inch | 7 Millimeter
Outside Diameter:1.181 Inch | 30 Millimeter
r1,2 min.:0.3 mm
r3,4 min.:0.2 mm
da min.:19 mm
db min.:19 mm
Da max.:28 mm
Db max.:28.6 mm
ra max.:0.3 mm
rb max.:0.2 mm
Basic dynamic load rating C:3.97 kN
Basic static load rating C0:2 kN
Fatigue load limit Pu:0.085 kN
Attainable speed for grease lubrication:45000 r/min
Attainable speed for oil-air lubrication:67000 r/min
Ball diameter Dw:3.969 mm
Number of balls z:14
Reference grease quantity Gref:0.24 cm³
Preload class A GA:25 N
Static axial stiffness, preload class A:42 N/µm
Preload class B GB:50 N
Static axial stiffness, preload class B:54 N/µm
Preload class C GC:100 N
Static axial stiffness, preload class C:70 N/µm
Preload class D GD:200 N
Static axial stiffness, preload class D:93 N/µm
Calculation factor f:1.05
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
Calculation factor f2D:1.14
Calculation factor fHC: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 bearing:0.017 kg

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