3D CAD and 2D Drawings

Find and download 3D CAD and 2D drawings for key Timken products.

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Unit of Measure


Design Units


Bearing Weight

N/A 19.40 Kg42.80 lb



Tapered Bore



d - Bore

N/A 180 mm7.0866 in

D - Outer Diameter

N/A 280 mm11.0236 in

C - Inner Ring Width

N/A 82.55 mm3.2500 in

B - Outer Ring Width

N/A 82.550 mm3.2500 in

Basic Load Ratings

C0 - Static Radial Rating

N/A 1420000 N319000 lbf
C - Dynamic Radial Rating1 N/A 863000 N194000 lbf


Reference Thermal Speed Rating (Grease)

N/A 1200
Reference Thermal Speed Rating (Oil)2 N/A 1400
Cg - Geometry Factor3 N/A 0.1379

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius4 N/A 3.200 mm0.100 in
r - Outer Ring "To Clear" Radius5 N/A 3.200 mm0.100 in

da - Inner Ring Backing Diameter

N/A 197.000 mm7.800 in

Da - Outer Ring Backing Diameter

N/A 262.000 mm10.300 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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