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Part Number 320RU31OB1268R2
Part Number 320RU31OB1268R2, 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
320.000
mm
Type
NU
Dimensions
D - Outer Diameter
540
mm
21.2598
in
C - Inner Ring Width
176
mm
6.9291
in
B - Outer Ring Width
176
mm
6.9291
in
Basic Load Ratings
C0 - Static Radial Rating
5860000
N
1320000
lbf
C - Dynamic Radial Rating
1
3380000
N
760000
lbf
1
Based on 1 x 10
6
L
10
life for the ISO life calculation method.
Factors
Reference Thermal Speed Rating (Grease)
510
rpm
Reference Thermal Speed Rating (Oil)
1
550
rpm
Cg - Geometry Factor
2
0.2299
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
4.1
mm
0.200
in
r - Outer Ring "To Clear" Radius
2
4.1
mm
0.200
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 ISO View
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Catalog and Technical Information - Cylindrical Roller Bearings
