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thrust ball bearing applications 51406 NTN Code system

Bearing number:7209 CD/HCP4A
Size (mm):85x45x19
Bore Diameter (mm):85
Outer Diameter (mm):45
Width (mm):19
d:45 mm
D:85 mm
B:19 mm
d1:57.3 mm
d2:57.3 mm
D1:72.7 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:18.3 mm
da - min.:52 mm
db - min.:52 mm
Da - max.:78 mm
Db - max.:80.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:60.6 mm
Basic dynamic load rating - C:42.3 kN
Basic static load rating - C0:31 kN
Fatigue load limit - Pu:1.3 kN
Limiting speed for grease lubrication:20000 r/min
Limiting speed for oil lubrication:32000 mm/min
Ball - Dw:12.7 mm
Ball - z:14
Gref:5.922 cm3
Calculation factor - f0:14.2
Preload class A - GA:160 N
Preload class B - GB:320 N
Preload class C - GC:640 N
Preload class D - GD:1280 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.06
Calculation factor - fHC:1.01
Preload class A:67 N/micron
Preload class B:92 N/micron
Preload class C:128 N/micron
Preload class D:185 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0.39
Product Group:B04270
Enclosure:Open
Precision Class:ABEC 7 | ISO P4
Material - Ball:Ceramic
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 | Hybrid | Corrosion Resistant Ball
Long Description:45MM Bore; 85MM Outside Diameter; 19MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearings; 15 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:7209 CD/HCP4A
Weight / LBS:0.849
Bore:1.772 Inch | 45 Millimeter
Width:0.748 Inch | 19 Millimeter
Outside Diameter:3.346 Inch | 85 Millimeter
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:52 mm
db min.:52 mm
Da max.:78 mm
Db max.:80.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:42.3 kN
Basic static load rating C0:31 kN
Fatigue load limit Pu:1.32 kN
Attainable speed for grease lubrication:20000 r/min
Attainable speed for oil-air lubrication:32000 r/min
Ball diameter Dw:12.7 mm
Number of balls z:14
Reference grease quantity Gref:5.922 cm³
Preload class A GA:160 N
Static axial stiffness, preload class A:67 N/µm
Preload class B GB:320 N
Static axial stiffness, preload class B:92 N/µm
Preload class C GC:640 N
Static axial stiffness, preload class C:128 N/µm
Preload class D GD:1280 N
Static axial stiffness, preload class D:185 N/µm
Calculation factor f:1.07
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.06
Calculation factor fHC:1.01
Calculation factor f0:14.2
Mass bearing:0.34 kg

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