3D CAD and 2D Drawings

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

Spherical bearings are designed to manage high radial loads even when misalignment, poor lubrication, contamination, extreme speeds or critical application stresses are present.
Unit of Measure

Specifications

Design Unit

N/A METRIC

Bore Taper

N/A 1/12

Bearing Weight

N/A 1164.000 Kg2560.80 lb

Cage Type

N/A YMB

Cage Material

N/A Brass

Dimensions

d - Bore

N/A 530.000 mm20.8660 in

D - Outer Diameter

N/A 980.000 mm38.5830 in

B' - Inner Ring Width

N/A 355 mm13.976 in

B - Outer Ring Width

N/A 355.000 mm13.9760 in

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1 N/A 7.000 mm0.280 in
r - Outer Ring "To Clear" Radius2 N/A 7.000 mm0.280 in

da - Inner Ring Backing Diameter

N/A 621.000 mm24.400 in

Da - Outer Ring Backing Diameter

N/A 878.000 mm34.600 in

Basic Load Ratings

C0 - Static Radial Rating

N/A 20200000 N4550000 lbf

C1(2) - Dynamic Radial Rating (Two-Rows)

N/A 12400000 N2780000 lbf

Factors

e - ISO Factor3 N/A 0.35
Y0 - ISO Factor4 N/A 1.91
Y1 - ISO Factor5 N/A 2.85
Y2 - ISO Factor6 N/A 1.87

Reference Thermal Speed Rating (Grease)

N/A 230
Reference Thermal Speed Rating (Oil)7 N/A 240
Cg - Geometry Factor8 N/A 0.1145
  • 1 Maximum housing fillet radius that bearing corners will clear.
  • 2 Maximum shaft fillet radius that bearing corners will clear.
  • 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 4 These factors apply for both inch and metric calculations. See engineering
  • 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 6 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 7 See thermal speed ratings in the engineering section.
  • 8 Geometry constant for Lubrication Life Adjustment Factor a3l.
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