thrust ball bearing applications 51406 NTN

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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
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Product Details

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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