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Unit of Measure

Specifications

Design Units

 N/A Metric

d - Bore

 N/A 300 mm

Type

 N/A NUP

Dimensions

D - Outer Diameter

 N/A 480 mm18.8976 in

C - Inner Ring Width

 N/A 114.075 mm4.4911 in

B - Outer Ring Width

 N/A 127 mm5.0000 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 3670000 N825000 lbf
C - Dynamic Radial Rating1 N/A 2380000 N535000 lbf

Factors

Reference Thermal Speed Rating (Grease)

 N/A 570 rpm
Reference Thermal Speed Rating (Oil)2 N/A 630 rpm
Cg - Geometry Factor3 N/A 0.206

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius4 N/A 2.5 mm0.100 in
r - Outer Ring "To Clear" Radius5 N/A 2.5 mm0.1 in

da - Inner Ring Backing Diameter

 N/A 314 mm12.4000 in

Da - Outer Ring Backing Diameter

 N/A 466 mm18.4000 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.
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