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Part Number 23960EMBW509C08C3, Spherical Roller Bearings - Brass Cage

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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.




Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Basic Load Ratings  · Factors

Specifications

Design Unit
Metric

d - Bore
300 mm

Cage Type
EMB

Cage Material
Brass

Superseded Part
23960YMBW509C08C3


Dimensions

D - Outer Diameter
420 mm
16.535 in

B' - Inner Ring Width
90 mm
3.543 in

B - Outer Ring Width
90 mm
3.543 in


Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1
2.5 mm
0.100 in

r - Outer Ring "To Clear" Radius2
2.5 mm
0.1 in

da - Inner Ring Backing Diameter
328.000 mm
12.900 in

Da - Outer Ring Backing Diameter
394.000 mm
15.500 in
1 Maximum housing fillet radius that bearing corners will clear.
2 Maximum shaft fillet radius that bearing corners will clear.


Basic Load Ratings

C0 - Static Radial Rating
2630000 N
592000 lbf

C1(2) - Dynamic Radial Rating (Two-Rows)
1570000 N
352000 lbf


Factors

e - ISO Factor1
0.19

Y0 - ISO Factor2
3.51

Y1 - ISO Factor3
3.59

Y2 - ISO Factor4
5.34

Reference Thermal Speed Rating (Grease)
970 rpm

Reference Thermal Speed Rating (Oil)5
1200 rpm

Cg - Geometry Factor6
0.1211
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.


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