Hitachi EX300-1 Excavator Slewing Bearing - NTL BEARINGS LTD.

NTL BEARINGS LTD.: ANGULAR CONTACT BALL BEARING DOUBLE CYLINDRICALROW BEARING DOUBLE ROW TAPERED ROLLER TDO BEARING

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Hitachi EX300-1 Excavator Slewing Bearing Systems

Series:3400
Cone Part Number:3476
Cup Part Number:3426
Design Units:Imperial
Bearing Weight:0.70 Kg
Cage Type:Stamped Steel
d:31.750 mm
D:79.324 mm
B - Cone Width:29.771 mm
C - Cup Width:23.813 mm
B:29.370 mm
R - Cone Backface To Clear Radius1:1.270 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:40.89 mm
db - Cone Backface Backing Diameter:42.93 mm
Da - Cup Frontface Backing Diameter:74.68 mm
Db - Cup Backface Backing Diameter:67.06 mm
Ab - Cage-Cone Frontface Clearance:1.3 mm
Aa - Cage-Cone Backface Clearance:1 mm
a - Effective Center Location3:-8.6 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:6100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:23500 lbf
C0 - Static Radial Rating:26800 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:3820 lbf
K - Factor7:1.6
e - ISO Factor8:0.37
Y - ISO Factor9:1.64
G1 - Heat Generation Factor (Roller-Raceway):29.9
G2 - Heat Generation Factor (Rib-Roller End):11.2
Cg - Geometry Factor:0.0781

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NTL BEARINGS LTD.: AddressLellington Crescent, Fradley Park, Tichfield, Ttaffordshire, WS171RZ,; Phone(Working Time); Fax

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Stock Categories

Technical Articles

ANGULAR CONTACT BALL BEARING

DOUBLE CYLINDRICALROW BEARING

DOUBLE ROW TAPERED ROLLER TDO BEARING

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