NSK LM3730 Needle Roller Bearings - Wnl Trading Corporation

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NSK LM3730 Needle Roller Bearings Specifications

Series:M349500
Cone Part Number:M349549
Cup Part Number:M349512XX
Design Units:Imperial
Bearing Weight:13.80 Kg
Cage Type:Stamped Steel
d:257.175 mm
D:342.900 mm
B - Cone Width:57.150 mm
C - Cup Width:44.450 mm
B:57.150 mm
R - Cone Backface To Clear Radius1:6.35 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:268.99 mm
db - Cone Backface Backing Diameter:280.92 mm
Da - Cup Frontface Backing Diameter:333.00 mm
Db - Cup Backface Backing Diameter:322.07 mm
Ab - Cage-Cone Frontface Clearance:4.3 mm
Aa - Cage-Cone Backface Clearance:3.8 mm
a - Effective Center Location3:2.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:39700 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:153000 lbf
C0 - Static Radial Rating:321000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:23600 lbf
K - Factor7:1.68
e - ISO Factor8:0.35
Y - ISO Factor9:1.73
G1 - Heat Generation Factor (Roller-Raceway):1423.3
G2 - Heat Generation Factor (Rib-Roller End):193.4
Cg - Geometry Factor:0.147

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