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Double Row Cylindrical Roller Bearings
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Item # NN3080
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Item # NN3080, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NN
The rollers in the NN type bearing are guided by the ribs of the inner ring.
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Unit of Measure:
Imperial
Metric
Both
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Technical Specifications
·
Dimensional Specifications
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Technical Specifications
Type
Cylindrical Roller Bearing
Bore Type
Cylindrical
Material
Hardened Alloy Steel
Cage Material
High Strength, 2 piece, Machined Brass
Limiting Speed - Oil
1000
RPM
Limiting Speed - Grease
880
RPM
Precision
ISO Class 0
Configuration
Two
Oil Hole
w/o Oil Hole
Radial Internal Clearance
CN
Static Load Rating
935000
lbf
4150000
N
4150.00
kN
Dynamic Load Rating
460000
lbf
2040000
N
2040.00
kN
Enclosure
Open
Operating Temperature Range
-40 to 250
ºF
-40 to 120
ºC
Dimensional Specifications
Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NN - Dimensions
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d
15.7480
in
400.000
mm
D
23.6220
in
600.000
mm
B
5.8268
in
148.000
mm
C
5.8268
in
148.000
mm
Ew
21.5354
in
547.000
mm
r
0.1969
in
5.000
mm
da min
16.5354
in
420.000
mm
db min
17.0079
in
432.000
mm
Db min
21.6929
in
551.000
mm
Db max
22.8346
in
580.000
mm
ras max
0.1575
in
4.000
mm
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