NNU4968 KOYO Double-row cylindrical roller bearings

Brand Name:KOYO
Model Number:NNU4968
Cone Part Number:EE710905
Design Units:Imperial
Cage Type:Pin-Type
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:374000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:96900 lbf
d:8.9500 in
B - Cone Width:2.4375 in
R - Cone Backface To Clear Radius3:0.280 in
PDF NNU4968

Product Details

Cone Part NumberEE710905
Design UnitsImperial
Cage TypePin-Type
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1374000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)296900 lbf
d8.9500 in
B - Cone Width2.4375 in
R - Cone Backface To Clear Radius30.280 in
da - Cone Frontface Backing Diameter9.8 in
db - Cone Backface Backing Diameter10.31 in
Ab - Cage-Cone Frontface Clearance0.33 in
Aa - Cage-Cone Backface Clearance0.32 in
a - Effective Center Location40.48 in
C90 - Dynamic Radial Rating (90 million revolutions)555600 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6215000 lbf
C0 - Static Radial Rating287000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)745000 lbf
K - Factor81.24
G1 - Heat Generation Factor (Roller-Raceway)914.9
G2 - Heat Generation Factor (Rib-Roller End)114.2
Cg - Geometry Factor0.14
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Company Profile

Phone 49-2104-13138
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