INA RNA4903-XL Needle Roller Bearings - Wnl Trading Corporation

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INA RNA4903-XL Needle Roller Bearings Specifications

Cone Part Number:LM720648
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:51500 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:13400 lbf
d:4.0000 in
B - Cone Width:1.0000 in
R - Cone Backface To Clear Radius3:0.06 in
da - Cone Frontface Backing Diameter:4.29 in
db - Cone Backface Backing Diameter:4.33 in
Ab - Cage-Cone Frontface Clearance:0.08 in
Aa - Cage-Cone Backface Clearance:0.07 in
a - Effective Center Location4:0.19 in
C90 - Dynamic Radial Rating (90 million revolutions)5:7670 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:29600 lbf
C0 - Static Radial Rating:45400 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:6020 lbf
K - Factor8:1.27
G1 - Heat Generation Factor (Roller-Raceway):127.6
G2 - Heat Generation Factor (Rib-Roller End):62.7
Cg - Geometry Factor:0.134

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