All Product Types > ENGINEERED BEARINGS > Spherical Roller Bearings > Spherical Roller Bearings - Application Specific Groups > Spherical Roller Bearings - Case Carburized Inner Rings and Rollers (W40I,W40R,W906A) > Part Number 23280YMBW906AC4  

Part Number 23280YMBW906AC4, 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

400 mm

Cage Type

YMB

Cage Material

Brass


Dimensions

D - Outer Diameter

720 mm
28.3470
in

B' - Inner Ring Width

256 mm
10.079
in

B - Outer Ring Width

256 mm
10.0790
in


Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1

5 mm
0.200
in

r - Outer Ring "To Clear" Radius2

5 mm
0.200
in

da - Inner Ring Backing Diameter

466.000 mm
18.4000
in

Da - Outer Ring Backing Diameter

646 mm
25.400
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

10800000 N
2430000
lbf

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

6720000 N
1510000
lbf


Factors

e - ISO Factor1

0.34

Y0 - ISO Factor2

1.92

Y1 - ISO Factor3

1.96

Y2 - ISO Factor4

2.93

Reference Thermal Speed Rating (Grease)

350 rpm

Reference Thermal Speed Rating (Oil)5

380 rpm

Cg - Geometry Factor6

0.0952
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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