442251 TIMKEN NATIONAL OIL SEAL - NTL BEARINGS LTD.

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

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442251 TIMKEN NATIONAL OIL SEAL Product Identifiers

Series:28000
Cone Part Number:28158
Cup Part Number:28300X
Design Units:Imperial
Bearing Weight:0.4 Kg
Cage Type:Stamped Steel
d:40 mm
D:76.2 mm
B - Cone Width:20.940 mm
C - Cup Width:15.494 mm
B:20.625 mm
R - Cone Backface To Clear Radius1:1.520 mm
r - Cup Backface To Clear Radius2:1.52 mm
da - Cone Frontface Backing Diameter:44.96 mm
db - Cone Backface Backing Diameter:47.5 mm
Da - Cup Frontface Backing Diameter:71.88 mm
Db - Cup Backface Backing Diameter:68.07 mm
Ab - Cage-Cone Frontface Clearance:1.8 mm
Aa - Cage-Cone Backface Clearance:1.5 mm
a - Effective Center Location3:-4.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:4390 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:16900 lbf
C0 - Static Radial Rating:15500 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:3020 lbf
K - Factor7:1.45
e - ISO Factor8:0.4
Y - ISO Factor9:1.49
G1 - Heat Generation Factor (Roller-Raceway):20.7
G2 - Heat Generation Factor (Rib-Roller End):12.5
Cg - Geometry Factor:0.0709

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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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