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Double Row Cylindrical Roller Bearings
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Item # NN3060
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Item # NN3060, 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
1500
RPM
Limiting Speed - Grease
1200
RPM
Precision
ISO Class 0
Configuration
Two
Oil Hole
w/o Oil Hole
Radial Internal Clearance
CN
Static Load Rating
575000
lbf
2560000
N
2560.00
kN
Dynamic Load Rating
299000
lbf
1330000
N
1330.00
kN
Enclosure
Open
Weight
156.087
lb
70.800
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
11.8110
in
300.000
mm
D
18.1102
in
460.000
mm
B
4.6457
in
118.000
mm
C
4.6457
in
118.000
mm
Ew
16.4567
in
418.000
mm
r
0.1575
in
4.000
mm
da min
12.4409
in
316.000
mm
db min
12.8346
in
326.000
mm
Db min
16.5748
in
421.000
mm
Db max
17.4803
in
444.000
mm
ras max
0.1181
in
3
mm
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