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Part Number 280RN91 R3
Part Number 280RN91 R3, Cylindrical Roller Radial Bearings - Single Row ISO
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Specifications
·
Dimensions
·
Basic Load Ratings
·
Factors
·
Abutment and Fillet Dimensions
Specifications
Design Units
Metric
d - Bore
280
mm
Type
N
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
321
mm
12.6000
in
1
Maximum housing fillet radius that bearing corners will clear.
2
Maximum shaft fillet radius that bearing corners will clear.
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Cylindrical-Roller-Radial-Bearings---Single-Row-ISO-NU_NJ_NF_NUP
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·
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