NNU4948K NSK CYLINDRICAL ROLLER BEARING - AMERICAN BEARING MFG.CORP.

AMERICAN BEARING MFG.CORP.: Angular Contact Ball Bearing Cylindrical Roller Bearing Double Row Roller Bearing

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Spherical Roller Bearing Cross References

B:69.850 mm
Cup Part Number:128161
Aa - Cage-Cone Backface Clearance:7.4 mm
B - Cone Width:67.673 mm
K - Factor7:1.51
da - Cone Frontface Backing Diameter:307.09 mm
G1 - Heat Generation Factor (Roller-Raceway):1622.7
Ab - Cage-Cone Frontface Clearance:2.3 mm
Db - Cup Backface Backing Diameter:378.97 mm
R - Cone Backface To Clear Radius1:6.860 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:50600 lbf
G2 - Heat Generation Factor (Rib-Roller End):240.4
db - Cone Backface Backing Diameter:309.12 mm
Series:128000
Da - Cup Frontface Backing Diameter:384.30 mm
e - ISO Factor8:0.39
Cone Part Number:EE128111
C0 - Static Radial Rating:374000 lbf
a - Effective Center Location3:6.6 mm
Cage Type:Stamped Steel

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AMERICAN BEARING MFG.CORP.: Address1500 Holmes Road, Elgin, lL 60123, U.S.A.; Phone(Working Time)888-6258; Fax

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