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Part Number 21315KEJW33C3, Spherical Roller Bearings - Steel 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  · Factors  · Dimensions  · Abutment and Fillet Dimensions  · Basic Load Ratings

Specifications

UPC Code
087796151550

Design Unit
Metric

d - Bore
75 mm

Lubrication Type
Standard Grease

Bore_Taper
1/12

Cage Type
EJ

Cage Material
Steel

Superseded Part
21315KCJW33C3


Factors

e - ISO Factor1
0.23

Y0 - ISO Factor2
2.91

Y1 - ISO Factor3
2.98

Y2 - ISO Factor4
4.43

Reference Thermal Speed Rating (Grease)
3600 rpm

Reference Thermal Speed Rating (Oil)5
4300 rpm

Cg - Geometry Factor6
0.062
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.


Dimensions

D - Outer Diameter
160 mm
6.2992 in

B' - Inner Ring Width
37 mm
1.4567 in

B - Outer Ring Width
37 mm
1.4567 in


Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1
2 mm
0.080 in

r - Outer Ring "To Clear" Radius2
2 mm
0.08 in

da - Inner Ring Backing Diameter
99.0 mm
3.900 in

Da - Outer Ring Backing Diameter
144.000 mm
5.700 in
1 Maximum housing fillet radius that bearing corners will clear.
2 These maximum fillet radii will be cleared by the bearing corners.


Basic Load Ratings

C0 - Static Radial Rating
322000 N
72400 lbf

C1(2) - Dynamic Radial Rating (Two-Rows)
321000 N
72200 lbf


 MORE IMAGES 

·  Timken_SRB_Steel_EJW33_21306EJW33C3-A

·  Timken_SRB_Steel_EJW33_21306EJW33C3-T



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Catalog and Technical Information - Spherical Roller Bearings