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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
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Unit of Measure

Key Dimensions

Bore (d)

 N/A 30 mm

O.D. (D)

 N/A 72 mm2.8346 in

Width (B)

 N/A 19 mm0.748 in

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 56500 N12700 lbf
e Factor1 N/A 0.26

Other Dimensions

Max Shaft Fillet Radius2 N/A 1.00 mm0.040 in

Shaft Backing Shoulder Diameter

 N/A 41 mm1.600 in

Housing Backing Shoulder Diameter

 N/A 64 mm2.500 in

Design Unit

 N/A Metric

Ratings

Static Radial Load Rating (C0)

 N/A 70300 N15800 lbf
Thermal Reference Speed - Oil3 N/A 5400 rpm

Thermal Reference Speed - Grease

 N/A 4400 rpm

Factors

Y0 Factor4 N/A 2.54
Y1 Factor 5 N/A 2.6
Y2 Factor6 N/A 3.87
Geometry Factor (Cg)7 N/A 0.0405

Maximum Operating Speed

 N/A 1670 rpm
  • 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.