Bearing 500KBE31A+L

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Bearing number: 7208 ACD/P4A
Size (mm): 80x40x18
Bore Diameter (mm): 80
Outer Diameter (mm): 40
Width (mm): 18
d: 40 mm
D: 80 mm
B: 18 mm
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Product Details

Bearing number 7208 ACD/P4A
Size (mm) 80x40x18
Bore Diameter (mm) 80
Outer Diameter (mm) 40
Width (mm) 18
d 40 mm
D 80 mm
B 18 mm
d1 53.3 mm
d2 53.3 mm
D1 66.7 mm
r1,2 - min. 1.1 mm
r3,4 - min. 0.6 mm
a 23.1 mm
da - min. 47 mm
db - min. 47 mm
Da - max. 73 mm
Db - max. 75.8 mm
ra - max. 1 mm
rb - max. 0.6 mm
dn 56.2 mm
Basic dynamic load rating - C 31.9 kN
Basic static load rating - C0 22.8 kN
Fatigue load limit - Pu 0.98 kN
Limiting speed for grease lubrication 16000 r/min
Limiting speed for oil lubrication 26000 mm/min
Ball - Dw 11.112 mm
Ball - z 14
Gref 4.725 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 200 N
Preload class B - GB 400 N
Preload class C - GC 800 N
Preload class D - GD 1600 N
Calculation factor - f 1.05
Calculation factor - f1 0.99
Calculation factor - f2A 1
Calculation factor - f2B 1.01
Calculation factor - f2C 1.02
Calculation factor - f2D 1.05
Calculation factor - fHC 1
Preload class A 127 N/micron
Preload class B 165 N/micron
Preload class C 218 N/micron
Preload class D 294 N/micron
Category Precision Ball Bearings
Inventory 0.0
Minimum Buy Quantity N/A
Weight / Kilogram 0.359
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 | Super Precision | High Capacity Basic Design
Long Description 40MM Bore; 80MM Outside Diameter; 18MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearing; 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 Ball Angular Contact
Outside Diameter 3.15 Inch | 80 Millimeter
Bore 1.575 Inch | 40 Millimeter
Width 0.709 Inch | 18 Millimeter
r1,2 min. 1.1 mm
r3,4 min. 0.6 mm
da min. 47 mm
db min. 47 mm
Da max. 73 mm
Db max. 75.8 mm
ra max. 1 mm
rb max. 0.6 mm
Basic dynamic load rating C 31.9 kN
Basic static load rating C0 22.8 kN
Fatigue load limit Pu 0.98 kN
Attainable speed for grease lubrication 16000 r/min
Attainable speed for oil-air lubrication 26000 r/min
Ball diameter Dw 11.112 mm
Number of balls z 14
Reference grease quantity Gref 4.725 cm³
Preload class A GA 200 N
Static axial stiffness, preload class A 127 N/µm
Preload class B GB 400 N
Static axial stiffness, preload class B 165 N/µm
Preload class C GC 800 N
Static axial stiffness, preload class C 218 N/µm
Preload class D GD 1600 N
Static axial stiffness, preload class D 294 N/µm
Calculation factor f 1.05
Calculation factor f1 0.99
Calculation factor f2A 1
Calculation factor f2B 1.01
Calculation factor f2C 1.02
Calculation factor f2D 1.05
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 0.37 kg
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