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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
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Unit of Measure

Key Dimensions

Bore (d)

 N/A 280 mm

O.D. (D)

 N/A 500 mm19.685 in

Width (B)

 N/A 176 mm6.929 in

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 3680000 N828000 lbf
e Factor1 N/A 0.33

Other Dimensions

Max Shaft Fillet Radius2 N/A 4 mm0.160 in

Shaft Backing Shoulder Diameter

 N/A 327.000 mm12.900 in

Housing Backing Shoulder Diameter

 N/A 450.000 mm17.700 in

Design Unit

 N/A Metric

Ratings

Static Radial Load Rating (C0)

 N/A 5250000 N1180000 lbf

Thermal Reference Speed - Grease 

 N/A 610 rpm
Thermal Reference Speed - Oil3 N/A 660 rpm

Factors

Y0 Factor4 N/A 2.02
Y1 Factor 5 N/A 2.07
Y2 Factor 6 N/A 3.08
Geometry Factor (Cg)7 N/A 0.1232
  • 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.