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Unit of Measure

Specifications

Design Units

 Metric

d - Bore

 170 mm

Type

 NU

Dimensions

D - Outer Diameter

 310 mm12.2047 in

C - Inner Ring Width

 86 mm3.3858 in

B - Outer Ring Width

 86 mm3.3858 in

Basic Load Ratings

C0 - Static Radial Rating

 1420000 N319000 lbf
C - Dynamic Radial Rating1 1100000 N247000 lbf

Factors

Reference Thermal Speed Rating (Grease)

 1300 rpm
Reference Thermal Speed Rating (Oil)2 1500 rpm
Cg - Geometry Factor3 0.1359

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius4 3 mm0.100 in
r - Outer Ring "To Clear" Radius5 3 mm0.1 in

da - Inner Ring Backing Diameter

 197 mm7.8000 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 housing fillet radius that bearing corners will clear.
  • 5 Maximum shaft fillet radius that bearing corners will clear.