28980-28921-B
28980-28921-B
model 28980-28921-B
type bearing
Cone Part Number 28980
Cup Part Number 28921-B
Metering System Imperial
Bearing Type Roller
Roller Bearing Type Tapered roller
Load Direction Radial force and axial force
Structure Single Column
Seal Type Open
Outer ring type Flange
series 28900
Inside Diameter 2.3613"
Inner Diameter Tolerance +0.013" to 0
Outer Diameter 3.937"
Outer Diameter Tolerance +0.025" to 0
Cone Width 1"
Cone Width +0.076" to -0.254"
Cup width 0.7813"
Cup Width +0.051" to -0.254"
Flange outer diameter (D1) 4.093"
Outer ring flange width (C1) 0.1563"
Flange bearing width 1"
Cone back to clearance radius 0.14"
Cup back to cleaning radius 0.130"
Tapered Front Backing Diameter 2.64"
Tapered backing diameter 2.87"
Cup front backing diameter 3.90"
Cage cone front clearance 0.09"
Cage cone back clearance 0.05"
Effective central location -0.1"
Ferrule Material 51200 Chrome steel
Roller material 51200 Chrome steel
Cage Material steel
Dynamic Radial Load 23800 lbf
Static Radial Load 33500 lbf
Dynamic Radial Rating (90 million rpm) (C90) 6180 lbf
Dynamic Thrust Rating (90 million rpm) (Ca90) 4500 lbf
Lubricant Lubricant Added
Temperature Range -30° to 110 °C