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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
    • Improved bearing performance in extreme operating conditions, minimizing impact of contaminants that can get caught in the bearing's roller and cage due to an enhanced cage bridge design
    • Extend bearing life in applications with extreme shock/vibration, high gravitational forces and minimal lubrication conditions due to the extra strength and durability provided by our machined brass cage
Unit of Measure

Key Dimensions

Bore (d)

 N/A 440 mm

O.D. (D)

 N/A 720 mm28.3470 in

Width (B)

 N/A 280 mm11.024 in

Bore_Taper

 N/A 1/30

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 7120000 N1600000 lbf
e Factor1 N/A 0.36

Other Dimensions

Max Shaft Fillet Radius2 N/A 5 mm0.200 in

Shaft Backing Shoulder Diameter

 N/A 495.000 mm19.500 in

Housing Backing Shoulder Diameter

 N/A 656 mm25.8000 in

Design Unit

 N/A Metric

Ratings

Static Radial Load Rating (C0)

 N/A 12900000 N2900000 lbf

Thermal Reference Speed - Grease 

 N/A 250 rpm
Thermal Reference Speed - Oil3 N/A 260 rpm

Factors

Y0 Factor4 N/A 1.84
Y1 Factor 5 N/A 1.88
Y2 Factor 6 N/A 2.79
Geometry Factor (Cg)7 N/A 0.0983
  • 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.