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Item # NN3034
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Item # NN3034, 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
2700
RPM
Limiting Speed - Grease
2300
RPM
Precision
ISO Class 0
Configuration
Two
Oil Hole
w/o Oil Hole
Radial Internal Clearance
CN
Static Load Rating
174000
lbf
775000
N
775.00
kN
Dynamic Load Rating
99000
lbf
440000
N
440.00
kN
Enclosure
Open
Weight
27.778
lb
12.600
kg
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
6.6929
in
170.000
mm
D
10.2362
in
260.000
mm
B
2.6378
in
67.000
mm
C
2.6378
in
67.000
mm
Ew
9.2913
in
236.000
mm
r
0.0827
in
2.100
mm
da min
7.126
in
181
mm
db min
7.3622
in
187.000
mm
Db min
9.3701
in
238.000
mm
Db max
9.8031
in
249.000
mm
ras max
0.0787
in
2.000
mm
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