4R7205 NSK Four Row Cylindrical Roller Bearings NTN 

Brand Name:NSK
Model Number:4R7205
Cone Part Number:L724349
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:56800 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:14700 lbf
d:4.7500 in
B - Cone Width:1.0000 in
R - Cone Backface To Clear Radius3:0.13 in

Product Details

Cone Part NumberL724349
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)156800 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)214700 lbf
d4.7500 in
B - Cone Width1.0000 in
R - Cone Backface To Clear Radius30.13 in
da - Cone Frontface Backing Diameter5.04 in
db - Cone Backface Backing Diameter5.24 in
Ab - Cage-Cone Frontface Clearance0.08 in
Aa - Cage-Cone Backface Clearance0.08 in
a - Effective Center Location40.31 in
C90 - Dynamic Radial Rating (90 million revolutions)58450 lbf
C1 - Dynamic Radial Rating (1 million revolutions)632600 lbf
C0 - Static Radial Rating52000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)76640 lbf
K - Factor81.27
G1 - Heat Generation Factor (Roller-Raceway)170
G2 - Heat Generation Factor (Rib-Roller End)70.6
Cg - Geometry Factor0.147
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Company Profile

Phone +54-12-4-352-0988
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