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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

UPC Code

 N/A 087796030510

Design Unit

 N/A Metric

d - Bore

 N/A 40 mm

Lubrication Type

 N/A Standard Grease

Cage Type

 N/A EJ

Cage Material

 N/A Steel

Superseded Part

 N/A 21308CJW33C4

Factors

e - ISO Factor1 N/A 0.26
Y0 - ISO Factor2 N/A 2.58
Y1 - ISO Factor3 N/A 2.64
Y2 - ISO Factor4 N/A 3.93

Reference Thermal Speed Rating (Grease)

 N/A 5800 rpm
Reference Thermal Speed Rating (Oil)5 N/A 7100 rpm
Cg - Geometry Factor6 N/A 0.0482

Dimensions

D - Outer Diameter

 N/A 90 mm3.5433 in

B' - Inner Ring Width

 N/A 23 mm0.9055 in

B - Outer Ring Width

 N/A 23 mm0.9055 in

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius7 N/A 1.5 mm0.060 in
r - Outer Ring "To Clear" Radius8 N/A 1.5 mm0.06 in

da - Inner Ring Backing Diameter

 N/A 54.000 mm2.100 in

Da - Outer Ring Backing Diameter

 N/A 80.000 mm3.200 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 113000 N25400 lbf

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

 N/A 102000 N22900 lbf
  • 1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 2 These factors apply for both inch and metric calculations. See engineering
  • 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. Consult your Timken representative for instruction on use.
  • 5 See thermal speed ratings in the engineering section.
  • 6 Geometry constant for Lubrication Life Adjustment Factor a3l.
  • 7 Maximum housing fillet radius that bearing corners will clear.
  • 8 These maximum fillet radii will be cleared by the bearing corners.
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