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Bearing number:71930 ACD/P4A
Size (mm):210x150x28
Bore Diameter (mm):210
Outer Diameter (mm):150
Width (mm):28
d:150 mm
D:210 mm
B:28 mm
d1:168.5 mm
d2:168.5 mm
D1:191.5 mm
r1,2 - min.:2 mm
r3,4 - min.:1 mm
a:56.1 mm
da - min.:159 mm
db - min.:159 mm
Da - max.:201 mm
Db - max.:205 mm
ra - max.:2 mm
rb - max.:1 mm
dn:173.5 mm
Basic dynamic load rating - C:119 kN
Basic static load rating - C0:140 kN
Fatigue load limit - Pu:4.5 kN
Limiting speed for grease lubrication:5600 r/min
Limiting speed for oil lubrication:8500 mm/min
Ball - Dw:19.05 mm
Ball - z:26
Gref:33 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:740 N
Preload class B - GB:1480 N
Preload class C - GC:2960 N
Preload class D - GD:5920 N
Calculation factor - f:1.24
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:370 N/micron
Preload class B:485 N/micron
Preload class C:648 N/micron
Preload class D:882 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:2.753
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:150MM Bore; 210MM Outside Diameter; 28MM 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 R
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Angular Contact Ball
Manufacturer Item Number:71930 ACD/P4A
Weight / LBS:6.063
Width:1.102 Inch | 28 Millimeter
Bore:5.906 Inch | 150 Millimeter
Outside Diameter:8.268 Inch | 210 Millimeter
r1,2 min.:2 mm
r3,4 min.:1 mm
da min.:159 mm
db min.:159 mm
Da max.:201 mm
Db max.:205 mm
ra max.:2 mm
rb max.:1 mm
Basic dynamic load rating C:108 kN
Basic static load rating C0:125 kN
Fatigue load limit Pu:3.9 kN
Attainable speed for grease lubrication:5600 r/min
Attainable speed for oil-air lubrication:8500 r/min
Ball diameter Dw:19.05 mm
Number of balls z:23
Reference grease quantity Gref:35 cm³
Preload class A GA:740 N
Static axial stiffness, preload class A:340 N/µm
Preload class B GB:1480 N
Static axial stiffness, preload class B:447 N/µm
Preload class C GC:2960 N
Static axial stiffness, preload class C:596 N/µm
Preload class D GD:5920 N
Static axial stiffness, preload class D:814 N/µm
Calculation factor f:1.24
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:2.5 kg

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