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Petroleum machinery bearing Specification details

Bearing number:7208 CD/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:17.1 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:33.8 kN
Basic static load rating - C0:24 kN
Fatigue load limit - Pu:1 kN
Limiting speed for grease lubrication:18000 r/min
Limiting speed for oil lubrication:30000 mm/min
Ball - Dw:11.112 mm
Ball - z:14
Gref:4.725 cm3
Calculation factor - f0:14.4
Preload class A - GA:125 N
Preload class B - GB:250 N
Preload class C - GC:500 N
Preload class D - GD:1000 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.05
Calculation factor - fHC:1
Preload class A:53 N/micron
Preload class B:71 N/micron
Preload class C:100 N/micron
Preload class D:143 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:15 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; 15 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
Width:0.709 Inch | 18 Millimeter
Bore:1.575 Inch | 40 Millimeter
Outside Diameter:3.15 Inch | 80 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:33.8 kN
Basic static load rating C0:24 kN
Fatigue load limit Pu:1.02 kN
Attainable speed for grease lubrication:18000 r/min
Attainable speed for oil-air lubrication:30000 r/min
Ball diameter Dw:11.112 mm
Number of balls z:14
Reference grease quantity Gref:4.725 cm³
Preload class A GA:125 N
Static axial stiffness, preload class A:53 N/µm
Preload class B GB:250 N
Static axial stiffness, preload class B:71 N/µm
Preload class C GC:500 N
Static axial stiffness, preload class C:100 N/µm
Preload class D GD:1000 N
Static axial stiffness, preload class D:143 N/µm
Calculation factor f:1.05
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.05
Calculation factor fHC:1
Calculation factor f0:14.4
Mass bearing:0.37 kg

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Bearing Wholesalers: Emailcarina@bearing-wholesalers.com; Address258 Bearing Wholesalers Center Hill, Singapore 628925; Phone(Working Time)+6531591338; Fax+6531591338

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