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• 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 087796193925

Design Unit

 N/A Metric

Bore (d)

 N/A 70 mm

O.D. (D)

 N/A 125 mm4.9213 in

B' - Inner Ring Width

 N/A 31 mm1.2205 in

B - Outer Ring Width

 N/A 31 mm1.2205 in

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 231000 N52000 lbf
e Factor1 N/A 0.23

Factors

Y0 Factor2 N/A 2.84
Y1 Factor 3 N/A 2.9
Y2 Factor4 N/A 4.32
Geometry Factor (Cg)5 N/A 0.0552

Dimensions

R - Inner Ring "To Clear" Radius6 N/A 1.50 mm0.060 in
r - Outer Ring "To Clear" Radius7 N/A 1.5 mm0.06 in

Shaft Backing Shoulder Diameter

 N/A 84 mm3.300 in

Housing Backing Shoulder Diameter

 N/A 114.000 mm4.500 in

Basic Load Ratings

Static Radial Load Rating (C0)

 N/A 213000 N47800 lbf

Thermal Reference Speed - Grease

 N/A 4000 rpm
Thermal Reference Speed - Oil8 N/A 4900 rpm
  • 1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 2 These factors apply for both inch and metric calculations. See engineering
  • 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 5 Geometry constant for Lubrication Life Adjustment Factor a3l.
  • 6 Maximum housing fillet radius that bearing corners will clear.
  • 7 These maximum fillet radii will be cleared by the bearing corners.
  • 8 See thermal speed ratings in the engineering section.