U412 Ball Bearings 2018 top 10 - Bearing Distributors Inc

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Home>Products>Self-aligning Ball Bearing> U412 Ball Bearings 2018 top 10 image

U412 Ball Bearings 2018 top 10 image

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Specifications for Self-aligning Ball Bearing

Bearing number:71911 ACE/P4A
Size (mm):80x55x13
Bore Diameter (mm):80
Outer Diameter (mm):55
Width (mm):13
d:55 mm
D:80 mm
B:13 mm
d1:62.75 mm
d2:60.7 mm
D1:72.3 mm
r1,2 - min.:1 mm
r3,4 - min.:0.3 mm
a:23.5 mm
da - min.:59.6 mm
db - min.:57 mm
Da - max.:75.4 mm
Db - max.:78 mm
ra - max.:1 mm
rb - max.:0.3 mm
dn:64.6 mm
Basic dynamic load rating - C:14.6 kN
Basic static load rating - C0:10.2 kN
Fatigue load limit - Pu:0.43 kN
Limiting speed for grease lubrication:21000 r/min
Limiting speed for oil lubrication:32000 mm/min
Ball - Dw:7.938 mm
Ball - z:21
Gref:2.3 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:133 N
Preload class B - GB:400 N
Preload class C - GC:800 N
Calculation factor - f:1.16
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.07
Calculation factor - fHC:1
Preload class A:105 N/micron
Preload class B:160 N/micron
Preload class C:210 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0
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 Inner Ring and Outer Ring
Cage Material:Phenolic
Rolling Element:Ball Bearing
Flush Ground:No
Inch - Metric:Metric
Other Features:Single Row | Angular Contact | High Speed E Design
Long Description:55MM Bore; 80MM Outside Diameter; 13MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearing; 25 Degree Contact Angle; Phenolic Cage Material; 1 Rib Inner Ring and
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Ball Angular Contact
Width:0.512 Inch | 13 Millimeter
Bore:2.165 Inch | 55 Millimeter
Outside Diameter:3.15 Inch | 80 Millimeter
r1,2 min.:1 mm
r3,4 min.:0.3 mm
da min.:59.6 mm
db min.:57 mm
Da max.:75.4 mm
Db max.:78 mm
ra max.:1 mm
rb max.:0.3 mm
Basic dynamic load rating C:14.6 kN
Basic static load rating C0:10.2 kN
Fatigue load limit Pu:0.43 kN
Attainable speed for grease lubrication:21000 r/min
Attainable speed for oil-air lubrication:32000 r/min
Ball diameter Dw:7.938 mm
Number of balls z:21
Reference grease quantity Gref:2.3 cm³
Preload class A GA:133 N
Static axial stiffness, preload class A:105 N/µm
Preload class B GB:400 N
Static axial stiffness, preload class B:160 N/µm
Preload class C GC:800 N
Static axial stiffness, preload class C:210 N/µm
Calculation factor f:1.16
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.07
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:0.17 kg

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