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Double Row Cylindrical Roller Bearings
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Double Row Cylindrical Roller Bearings
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Item # NN3084K
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Item # NN3084K, Double Row Cylindrical Roller Bearing w/ Tapered 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
Tapered
Material
Hardened Alloy Steel
Cage Material
High Strength, 2 piece, Machined Brass
Limiting Speed - Oil
990
RPM
Limiting Speed - Grease
840
RPM
Taper
1:12
Precision
ISO Class 0
Configuration
Two
Oil Hole
w/o Oil Hole
Radial Internal Clearance
CN
Static Load Rating
965000
lbf
4300000
N
4300.00
kN
Dynamic Load Rating
470000
lbf
2080000
N
2080.00
kN
Enclosure
Open
Operating Temperature Range
-40 to 250
ºF
-40 to 120
ºC
Dimensional Specifications
Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN - Dimensions
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d
16.5354
in
420.000
mm
D
24.4094
in
620.000
mm
B
5.9055
in
150.000
mm
C
5.9055
in
150.000
mm
Ew
22.3228
in
567.000
mm
r
0.1969
in
5.000
mm
da min
17.3228
in
440.000
mm
db min
17.7953
in
452.000
mm
Da max
22.4803
in
571.000
mm
Db min
22.4803
in
571.000
mm
Db max
23.6220
in
600.000
mm
ras max
0.1575
in
4.000
mm
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