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Unit of Measure

Specifications

Design Units

 N/A Metric

d - Bore

 N/A 280 mm

Type

 N/A NU

Dimensions

D - Outer Diameter

 N/A 420 mm16.5354 in

C - Inner Ring Width

 N/A 106 mm4.1732 in

B - Outer Ring Width

 N/A 106 mm4.1732 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 3040000 N683000 lbf
C - Dynamic Radial Rating1 N/A 1690000 N380000 lbf

Factors

Reference Thermal Speed Rating (Grease)

 N/A 670 rpm
Reference Thermal Speed Rating (Oil)2 N/A 740 rpm
Cg - Geometry Factor3 N/A 0.1916

Abutment and Fillet Dimensions

da - Inner Ring Backing Diameter

 N/A 303 mm11.9000 in

Da - Outer Ring Backing Diameter

 N/A 397 mm15.6000 in
  • 1 Based on 1 x 106 L10 life for the ISO life calculation method.
  • 2 See thermal speed ratings in the engineering section.
  • 3 Geometry constant for Lubrication Life Adjustment Factor a3l.
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