NN3048 KOYO Double-row cylindrical roller bearings
Brand Name:KOYO
Model Number:NN3048
Cone Part Number:LM102949CP
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:28500 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:7400 lbf
d:1.7812 in
B - Cone Width:0.7800 in
R - Cone Backface To Clear Radius3:0.14 in
PDF NN3048

Product Details

Cone Part NumberLM102949CP
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)128500 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)27400 lbf
d1.7812 in
B - Cone Width0.7800 in
R - Cone Backface To Clear Radius30.14 in
da - Cone Frontface Backing Diameter1.97 in
db - Cone Backface Backing Diameter2.2 in
Ab - Cage-Cone Frontface Clearance0.07 in
Aa - Cage-Cone Backface Clearance0.01 in
a - Effective Center Location4-0.18 in
C90 - Dynamic Radial Rating (90 million revolutions)54250 lbf
C1 - Dynamic Radial Rating (1 million revolutions)616400 lbf
C0 - Static Radial Rating18400 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)72220 lbf
K - Factor81.91
G1 - Heat Generation Factor (Roller-Raceway)31.1
G2 - Heat Generation Factor (Rib-Roller End)18.8
Cg - Geometry Factor0.0744
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Company Profile

TIMKEN AXLE CORP.
Phone +1-775-298-7800
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