  | 
 | Cone Part Number |  HH421246C
  |   
  | Bearing Weight |  16.4000 lb 7.4000 Kg
  |   
  | D - Cup Outer Diameter |  7.2500 in 184.150 mm
  |   
  | d - Cone Bore |  3.8750 in 98.425 mm
  |   
  | B - Cone Width |  2.5000 in 63.500 mm
  |   
  | C - Cup Width |  2.0625 in 52.388 mm
  |   
  | T - Bearing Width |  2.5000 in 63.500 mm
  |   
  | Z - Number of Rollers Per Row |  19
  |   
  | R - Cone Backface "To Clear" Radius1 |  0.250 in 6.350 mm
  |   
  | r - Cup Backface "To Clear" Radius2 |  0.130 in 3.30 mm
  |   
  | da - Cone Frontface Backing Diameter |  5.32 in 115.06 mm
  |   
  | db - Cone Backface Backing Diameter |  5.00 in 127.00 mm
  |   
  | Da - Cup Frontface Backing Diameter |  6.95 in 176.53 mm
  |   
  | Db - Cup Backface Backing Diameter |  6.42 in 163.07 mm
  |   
  | Ab - Cage-Cone Frontface Clearance |  0.12 in 3.05 mm
  |   
  | Aa - Cage-Cone Backface Clearance |  0.12 in 3.05 mm
  |   
  | a - Effective Center Location3 |  -0.66 in -16.80 mm
  |   
  | C90 - Dynamic Radial Rating (90 million revolutions)1 |  36600 lbf 163000 N
  |   
  | C1 - Dynamic Radial Rating (1 million revolutions)2 |  141000 lbf 628000 N
  |   
  | C0 - Static Radial Rating |  174000 lbf 772000 N
  |   
  | Ca90 - Dynamic Thrust Rating (90 million revolutions)3 |  23500 lbf 104000 N
  |   
  | G1 - Heat Generation Factor (Roller-Raceway) |  298
  |   
  | G2 - Heat Generation Factor (Rib-Roller End) |  40.9
  |   
  | Cg - Geometry Factor |  0.116
  |   
  | 
 
                
    
					
					
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