Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.com
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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
Unit of Measure

Key Dimensions

Bore (d)

 N/A 670 mm

O.D. (D)

 N/A 1220 mm48.032 in

Width (B)

 N/A 438 mm17.244 in

Bore_Taper

 N/A 1/12

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 18800000 N4220000 lbf
e Factor1 N/A 0.35

Other Dimensions

Max Shaft Fillet Radius2 N/A 9 mm0.354 in

Shaft Backing Shoulder Diameter

 N/A 779.100 mm30.670 in

Housing Backing Shoulder Diameter

 N/A 1097.300 mm43.200 in

Design Unit

 N/A Metric

Ratings

Static Radial Load Rating (C0)

 N/A 31800000 N7140000 lbf

Thermal Reference Speed - Grease 

 N/A 160 rpm
Thermal Reference Speed - Oil3 N/A 170 rpm

Factors

Y0 Factor4 N/A 1.91
Y1 Factor 5 N/A 1.95
Y2 Factor 6 N/A 2.91
Geometry Factor (Cg)7 N/A 0.1256
  • 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.