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Key Features

  • Longer bearing life achieved from higher capacity (vs. competitors)
  • Longer lubrication life achieved from lower operating temperatures due to reduced internal friction and running torque from cage guided rollers
  • Better contaminant purging from slots on cage face helps extend bearing life
  • Greater fatigue strength and increased wear resistance provide tougher protection against shock and acceleration loading from a brass cage
Unit of Measure

Key Dimensions

Bore (d)

 N/A 480 mm

O.D. (D)

 N/A 790 mm31.1020 in

Width (B)

 N/A 248 mm9.7640 in

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 7110000 N1600000 lbf
e Factor1 N/A 0.3

Other Dimensions

Weight

 N/A 490.40 Kg1078.90 lb
Max Shaft Fillet Radius2 N/A 6 mm0.24 in

Shaft Backing Shoulder Dia.

 N/A 547.000 mm21.500 in

Housing Backing Shoulder Dia.

 N/A 719.000 mm28.300 in

Ratings

Static Radial Load Rating (C0)

 N/A 12500000 N2810000 lbf
Thermal Reference Speed - Oil3 N/A 400 rpm

Thermal Reference Speed - Grease 

 N/A 360 rpm

Factors

Static - In All Cases Y04 N/A 2.21
Dynamic Equiv. Radial Load Factor when Fa/Fr<=e; X=0.67 (Y)5 N/A 2.26
Dynamic Equiv. Radial Load Factor when Fa/Fr>e; X=1 (Y)6 N/A 3.36
Geometry Factor (Cg) 7 N/A 0.1042
  • 1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 2 Maximum housing fillet radius that bearing corners will clear.
  • 3 See thermal speed ratings in the engineering section.
  • 4 These factors apply for both inch and metric calculations. See engineering
  • 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 6 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 7 Geometry constant for Lubrication Life Adjustment Factor a3l.