3D CAD and 2D Drawings

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

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Unit of Measure

Specifications

Design Units

N/A METRIC

Bearing Weight

N/A 23.8 Kg52.500 lb

Type

N/A NU

Tapered Bore

N/A N

Dimensions

d - Bore

N/A 203.230 mm8.0012 in

D - Outer Diameter

N/A 310 mm12.2047 in

C - Inner Ring Width

N/A 82 mm3.2283 in

B - Outer Ring Width

N/A 82 mm3.2283 in

Basic Load Ratings

C0 - Static Radial Rating

N/A 1540000 N346000 lbf
C - Dynamic Radial Rating1 N/A 924000 N208000 lbf

Factors

Reference Thermal Speed Rating (Grease)

N/A 1100
Reference Thermal Speed Rating (Oil)2 N/A 1200
Cg - Geometry Factor3 N/A 0.1464

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius4 N/A 2.00 mm0.100 in
r - Outer Ring "To Clear" Radius5 N/A 2.00 mm0.100 in

da - Inner Ring Backing Diameter

N/A 220.000 mm8.700 in

Da - Outer Ring Backing Diameter

N/A 290.000 mm11.400 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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