4R2904 NSK Four Row Cylindrical Roller Bearings NTN 

Brand Name:NSK
Model Number:4R2904
Series:LM545800
Cone Part Number:LM545849
Cup Part Number:LM545810
Design Units:Imperial
Bearing Weight:9.8 Kg
Cage Type:Stamped Steel
d:234.95 mm
D:314.325 mm

Product Details

SeriesLM545800
Cone Part NumberLM545849
Cup Part NumberLM545810
Design UnitsImperial
Bearing Weight9.8 Kg
Cage TypeStamped Steel
d234.95 mm
D314.325 mm
B - Cone Width49.213 mm
C - Cup Width36.513 mm
B49.213 mm
R - Cone Backface To Clear Radius13.560 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter246.13 mm
db - Cone Backface Backing Diameter251.97 mm
Da - Cup Frontface Backing Diameter306.58 mm
Db - Cup Backface Backing Diameter295.91 mm
Ab - Cage-Cone Frontface Clearance4.1 mm
Aa - Cage-Cone Backface Clearance3.6 mm
a - Effective Center Location38.4 mm
C90 - Dynamic Radial Rating (90 million revolutions)430200 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5117000 lbf
C0 - Static Radial Rating233000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)620600 lbf
K - Factor71.47
e - ISO Factor80.4
Y - ISO Factor91.51
G1 - Heat Generation Factor (Roller-Raceway)997
G2 - Heat Generation Factor (Rib-Roller End)163.2
Cg - Geometry Factor0.137
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Company Profile

Phone +54-12-4-352-0988
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