CHICAGO RAWHIDE 1750580 Oil Seals - Bearing Distributors Inc

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CHICAGO RAWHIDE 1750580 Oil Seals Systems

Bearing number:71911 ACD/P4A
Size (mm):80x55x13
Bore Diameter (mm):80
Outer Diameter (mm):55
Width (mm):13
d:55 mm
D:80 mm
B:13 mm
d1:62.7 mm
d2:62.7 mm
D1:72.3 mm
r1,2 - min.:1 mm
r3,4 - min.:0.3 mm
a:22.4 mm
da - min.:59.6 mm
db - min.:59.6 mm
Da - max.:75.4 mm
Db - max.:78 mm
ra - max.:1 mm
rb - max.:0.3 mm
dn:64.7 mm
Basic dynamic load rating - C:18.2 kN
Basic static load rating - C0:13.7 kN
Fatigue load limit - Pu:0.585 kN
Limiting speed for grease lubrication:15000 r/min
Limiting speed for oil lubrication:24000 mm/min
Ball - Dw:7.938 mm
Ball - z:23
Gref:2.49 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:120 N
Preload class B - GB:240 N
Preload class C - GC:480 N
Preload class D - GD:960 N
Calculation factor - f:1.15
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:124 N/micron
Preload class B:161 N/micron
Preload class C:211 N/micron
Preload class D:282 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0.196
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:55MM Bore; 80MM Outside Diameter; 13MM 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 Rac
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Angular Contact Ball
Manufacturer Item Number:71911 ACD/P4A
Weight / LBS:0.43
Bore:2.165 Inch | 55 Millimeter
Outside Diameter:3.15 Inch | 80 Millimeter
Width:0.512 Inch | 13 Millimeter
r1,2 min.:1 mm
r3,4 min.:0.3 mm
da min.:59.6 mm
db min.:59.6 mm
Da max.:75.4 mm
Db max.:78 mm
ra max.:1 mm
rb max.:0.3 mm
Basic dynamic load rating C:18.2 kN
Basic static load rating C0:13.7 kN
Fatigue load limit Pu:0.585 kN
Attainable speed for grease lubrication:15000 r/min
Attainable speed for oil-air lubrication:24000 r/min
Ball diameter Dw:7.938 mm
Number of balls z:23
Reference grease quantity Gref:2.49 cm³
Preload class A GA:120 N
Static axial stiffness, preload class A:124 N/µm
Preload class B GB:240 N
Static axial stiffness, preload class B:161 N/µm
Preload class C GC:480 N
Static axial stiffness, preload class C:211 N/µm
Preload class D GD:960 N
Static axial stiffness, preload class D:282 N/µm
Calculation factor f:1.15
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:0.18 kg

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