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Double Row Cylindrical Roller Bearings
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Item # NN3092
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Item # NN3092, 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
890
RPM
Limiting Speed - Grease
750
RPM
Precision
ISO Class 0
Configuration
Two
Oil Hole
w/o Oil Hole
Radial Internal Clearance
CN
Static Load Rating
1200000
lbf
5350000
N
5350.00
kN
Dynamic Load Rating
575000
lbf
2550000
N
2550.00
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
18.1102
in
460.000
mm
D
26.7717
in
680.000
mm
B
6.4173
in
163.000
mm
C
6.4173
in
163.000
mm
Ew
24.4882
in
622.000
mm
r
0.2362
in
6.000
mm
da min
19.0551
in
484.000
mm
db min
19.6063
in
498.000
mm
Db min
24.6850
in
627.000
mm
Db max
25.8268
in
656.000
mm
ras max
0.1969
in
5.000
mm
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