U412 Ball Bearings 2018 top 10

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

Product Details

Bearing number71911 ACE/P4A
Size (mm)80x55x13
Bore Diameter (mm)80
Outer Diameter (mm)55
Width (mm)13
d55 mm
D80 mm
B13 mm
d162.75 mm
d260.7 mm
D172.3 mm
r1,2 - min.1 mm
r3,4 - min.0.3 mm
a23.5 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
dn64.6 mm
Basic dynamic load rating - C14.6 kN
Basic static load rating - C010.2 kN
Fatigue load limit - Pu0.43 kN
Limiting speed for grease lubrication21000 r/min
Limiting speed for oil lubrication32000 mm/min
Ball - Dw7.938 mm
Ball - z21
Gref2.3 cm3
Calculation factor - e0.68
Calculation factor - Y21.41
Calculation factor - Y00.76
Calculation factor - X20.67
Calculation factor - Y10.92
Preload class A - GA133 N
Preload class B - GB400 N
Preload class C - GC800 N
Calculation factor - f1.16
Calculation factor - f10.99
Calculation factor - f2A1
Calculation factor - f2B1.04
Calculation factor - f2C1.07
Calculation factor - fHC1
Preload class A105 N/micron
Preload class B160 N/micron
Preload class C210 N/micron
CategoryPrecision Ball Bearings
Inventory0.0
Minimum Buy QuantityN/A
Product GroupB04270
EnclosureOpen
Precision ClassABEC 7 | ISO P4
Material - BallSteel
Number of Bearings1 (Single)
Contact Angle25 Degree
PreloadNone
Raceway Style1 Rib Inner Ring and Outer Ring
Cage MaterialPhenolic
Rolling ElementBall Bearing
Flush GroundNo
Inch - MetricMetric
Other FeaturesSingle Row | Angular Contact | High Speed E Design
Long Description55MM 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
UNSPSC31171531
Harmonized Tariff Code8482.10.50.28
NounBearing
Keyword StringBall Angular Contact
Width0.512 Inch | 13 Millimeter
Bore2.165 Inch | 55 Millimeter
Outside Diameter3.15 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 C14.6 kN
Basic static load rating C010.2 kN
Fatigue load limit Pu0.43 kN
Attainable speed for grease lubrication21000 r/min
Attainable speed for oil-air lubrication32000 r/min
Ball diameter Dw7.938 mm
Number of balls z21
Reference grease quantity Gref2.3 cm³
Preload class A GA133 N
Static axial stiffness, preload class A105 N/µm
Preload class B GB400 N
Static axial stiffness, preload class B160 N/µm
Preload class C GC800 N
Static axial stiffness, preload class C210 N/µm
Calculation factor f1.16
Calculation factor f10.99
Calculation factor f2A1
Calculation factor f2B1.04
Calculation factor f2C1.07
Calculation factor fHC1
Calculation factor e0.68
Calculation factor (single, tandem) Y20.87
Calculation factor (single, tandem) Y00.38
Calculation factor (single, tandem) X20.41
Calculation factor (back-to-back, face-to-face) Y10.92
Calculation factor (back-to-back, face-to-face) Y21.41
Calculation factor (back-to-back, face-to-face) Y00.76
Calculation factor (back-to-back, face-to-face) X20.67
Mass bearing0.17 kg
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Company Profile

Worktime 9.00--18.00
Phone 0065-31591338
Fax 0065-31591338
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