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Part Number 250RU91 R3
Part Number 250RU91 R3, Cylindrical Roller Radial Bearings - Single Row Standard
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Specifications
·
Dimensions
·
Basic Load Ratings
·
Factors
·
Abutment and Fillet Dimensions
Specifications
Design Units
Metric
d - Bore
250
mm
Type
NU
Dimensions
D - Outer Diameter
410
mm
16.1417
in
C - Inner Ring Width
111.125
mm
4.375
in
B - Outer Ring Width
111.125
mm
4.375
in
Basic Load Ratings
C0 - Static Radial Rating
2720000
N
611000
lbf
C - Dynamic Radial Rating
1
1680000
N
378000
lbf
1
Based on 1 x 10
6
L
10
life for the ISO life calculation method.
Factors
Reference Thermal Speed Rating (Grease)
770
rpm
Reference Thermal Speed Rating (Oil)
1
850
rpm
Cg - Geometry Factor
2
0.1772
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
3
mm
0.100
in
r - Outer Ring "To Clear" Radius
2
3
mm
0.1
in
da - Inner Ring Backing Diameter
278
mm
10.9000
in
Da - Outer Ring Backing Diameter
383
mm
15.1000
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 ISO View
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Catalog and Technical Information - Cylindrical Roller Bearings
