28980-28921D
28980-28921D
model 28980-28921D
type bearing
Cone Part Number 28980
Cup Part Number 28921D
Metering System Imperial
Bearing Type Roller
Roller Bearing Type Tapered roller
Load Direction Radial force and axial force
Structure Double row
Seal Type Open
Outer ring type Standard Type
series 28900
Inside Diameter 2.3613"
Inner Diameter Tolerance +0.013" to 0
Outer Diameter 3.937"
Outer Diameter Tolerance +0.025" to 0
Double cup width 1.75"
Double cup width tolerance +0.076" to -0.254"
Cone Width 1"
Cone Width +0.051" to -0.254"
Bearing width across cup body 2.1874"
Bearing width across cup +0.203" to 0
Cup back to cleaning radius 0.03"
Tapered backing diameter 2.87"
Cup front backing diameter 3.82"
Cage cone back clearance 0.05"
Dynamic Radial Load 41500 lbf
Ferrule Material 51200 Chrome steel
Roller material 51200 Chrome steel
Cage Material steel
Dynamic Radial Rating (90 million revolutions in two columns) 6180 lbf
Dynamic Thrust Rating (90 million rpm) (Ca90) 4500 lbf
Dynamic Radial Rating (90 million revolutions in two columns) 10800 lbf
Lubricant Lubricant Added
Temperature Range -30° to 110 °C
ABEC Standard ABEC-1
Clearance Range Standard (applicable to C3/C4/C5)
RoHS Standard Conform
REACH Standard Conform
Weight 3.600 lb