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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 hardened steel cage
Unit of Measure

Key Dimensions

UPC Code

 N/A 087796028944

Bore (d)

 N/A 180 mm

O.D. (D)

 N/A 300 mm11.811 in

Width (B)

 N/A 96 mm3.7795 in

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 1410000 N317000 lbf
e Factor1 N/A 0.29

Other Dimensions

Max Shaft Fillet Radius2 N/A 2.5 mm0.100 in

Shaft Backing Shoulder Diameter

 N/A 208 mm8.2000 in

Housing Backing Shoulder Diameter

 N/A 275 mm10.8000 in

Design Unit

 N/A Metric

Ratings

Static Radial Load Rating (C0)

 N/A 2000000 N449000 lbf
Thermal Reference Speed - Oil3 N/A 1500 rpm

Thermal Reference Speed - Grease

 N/A 1300 rpm

Factors

Y0 Factor4 N/A 2.27
Y1 Factor 5 N/A 2.32
Y2 Factor6 N/A 3.45
Geometry Factor (Cg)7 N/A 0.0987
  • 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.