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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
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Unit of Measure

Key Dimensions

Bore (d)

 N/A 340 mm

O.D. (D)

 N/A 520 mm20.472 in

Width (B)

 N/A 133 mm5.2360 in

Bore_Taper

 N/A 1/12

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 2890000 N650000 lbf
e Factor1 N/A 0.23

Other Dimensions

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

Shaft Backing Shoulder Diameter

 N/A 381.000 mm15.000 in

Housing Backing Shoulder Diameter

 N/A 481.000 mm18.9000 in

Design Unit

 N/A Metric

Ratings

Static Radial Load Rating (C0)

 N/A 4630000 N1040000 lbf

Thermal Reference Speed - Grease 

 N/A 810 rpm
Thermal Reference Speed - Oil3 N/A 950 rpm

Factors

Y0 Factor4 N/A 2.89
Y1 Factor 5 N/A 2.96
Y2 Factor 6 N/A 4.4
Geometry Factor (Cg) 7 N/A 0.135
  • 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.