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Unit of Measure

Specifications

Design Units

 N/A Metric

d - Bore

 N/A 250 mm

Type

 N/A NT

Dimensions

D - Outer Diameter

 N/A 410 mm16.1417 in

C - Inner Ring Width

 N/A 111.125 mm4.375 in

B - Outer Ring Width

 N/A 111.125 mm4.375 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 2720000 N611000 lbf
C - Dynamic Radial Rating1 N/A 1680000 N377000 lbf

Factors

Reference Thermal Speed Rating (Grease)

 N/A 770 rpm
Reference Thermal Speed Rating (Oil)2 N/A 850 rpm
Cg - Geometry Factor3 N/A 0.180

Abutment and Fillet Dimensions

r - Outer Ring "To Clear" Radius4 N/A 3 mm0.12 in

da - Inner Ring Backing Diameter

 N/A 277.8 mm10.9400 in

Da - Outer Ring Backing Diameter

 N/A 382.6 mm15.0600 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.
  • 4 Maximum shaft fillet radius that bearing corners will clear.