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Cylindrical Roller Radial Bearings - Single Row Standard
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Cylindrical Roller Bearings
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Cylindrical Roller Radial Bearings - Single Row Standard
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Part Number 280RU91OD1268 R7
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Part Number 280RU91OD1268 R7, Cylindrical Roller Radial Bearings - Single Row Standard
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Unit of Measure:
Imperial
Metric
Both
Specifications
·
Dimensions
·
Basic Load Ratings
·
Factors
·
Abutment and Fillet Dimensions
Specifications
Design Units
Metric
d - Bore
280
mm
Type
NU
Dimensions
D - Outer Diameter
460
mm
18.1102
in
C - Inner Ring Width
123.825
mm
4.8750
in
B - Outer Ring Width
123.825
mm
4.8750
in
Basic Load Ratings
C0 - Static Radial Rating
3700000
N
832000
lbf
C - Dynamic Radial Rating
1
2410000
N
542000
lbf
1
Based on 1 x 10
6
L
10
life for the ISO life calculation method.
Factors
Reference Thermal Speed Rating (Grease)
620
rpm
Reference Thermal Speed Rating (Oil)
1
680
rpm
Cg - Geometry Factor
2
0.2008
1
See thermal speed ratings in the engineering section.
2
Geometry constant for Lubrication Life Adjustment Factor a3l.
Abutment and Fillet Dimensions
R - Inner Ring "To Clear" Radius
1
4
mm
0.200
in
r - Outer Ring "To Clear" Radius
2
4
mm
0.200
in
da - Inner Ring Backing Diameter
314
mm
12.4000
in
Da - Outer Ring Backing Diameter
0
mm
0.0000
in
1
Maximum housing fillet radius that bearing corners will clear.
2
Maximum shaft fillet radius that bearing corners will clear.
VIEW CAD DRAWING
·
3D
·
2D Sales Drawing
·
2D Sectional View
DOWNLOADS
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
Tools and Guides for Engineers
Catalog and Technical Information - Cylindrical Roller Bearings
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The Timken Company. ©
The Timken Company.
©
The Timken Company.