TIMKEN 431575 services Tapered Roller Bearings

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TIMKEN 431575 services Tapered Roller Bearings image

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TIMKEN 431575 services Tapered Roller Bearings Product Features

Bearing number:7210 CD/HCP4A
Size (mm):50x90x20
Bore Diameter (mm):50
Outer Diameter (mm):90
Width (mm):20
d:50 mm
D:90 mm
B:20 mm
C:20 mm
d1:62.3 mm
d2:62.3 mm
r1 min.:1,1 mm
r2 min.:1,1 mm
r3 min.:0,6 mm
r4 min.:0,6 mm
D1:77.7 mm
D2:80,7 mm
da min.:57 mm
Da max.:83 mm
db min:57 mm
ra max.:1 mm
rb max.:0.6 mm
dh:65,6 mm
Db max:85,8 mm
Weight:0,39 Kg
Basic dynamic load rating (C):44,9 kN
Basic static load rating (C0):34 kN
(Grease) Lubrication Speed:19 000 r/min
(Oil) Lubrication Speed:30 000 r/min
Fatigue load limit (Pu):1,43
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: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 | High Capacity Basic Design
Long Description:50MM Bore; 90MM Outside Diameter; 20MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearing; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Ra
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Ball Angular Contact
Bore:1.969 Inch | 50 Millimeter
Outside Diameter:3.543 Inch | 90 Millimeter
Width:0.787 Inch | 20 Millimeter
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
a:19.4 mm
db min.:57 mm
Db max.:85.8 mm
dn:65.6 mm
Basic dynamic load rating C:44.9 kN
Basic static load rating C0:34 kN
Fatigue load limit Pu:1.43 kN
Attainable speed for grease lubrication:19000 r/min
Attainable speed for oil-air lubrication:30000 r/min
Ball diameter Dw:12.7 mm
Number of balls z:15
Reference grease quantity Gref:6.708 cm³
Preload class A GA:170 N
Static axial stiffness, preload class A:72 N/µm
Preload class B GB:340 N
Static axial stiffness, preload class B:98 N/µm
Preload class C GC:680 N
Static axial stiffness, preload class C:137 N/µm
Preload class D GD:1360 N
Static axial stiffness, preload class D:198 N/µm
Calculation factor f:1.08
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 f0:14.5
Mass bearing:0.39 kg

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