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Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NNU
MODEL NNU4956
$26,205.05 Each
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B (in)
3.9370
Bore type
Cylindrical
Bore Type
Cylindrical
C (in)
3.9370
Cage material
High strength, 2 piece, machined brass
Cage Material
High Strength, 2 piece, Machined Brass
Configuration
Two
D (in)
14.9606
d (in)
11.0236
Da max
14.5276 in
da min
11.4567 in
Db max
14.5276 in
Db min
14.1339 in
db min
11.7717 in
Dynamic load rating
208000 lbf
Dynamic Load Rating
208000 lbf
Enclosure
Open
Fw
12.2835 in
Limiting speed - grease
1400 RPM
Limiting Speed - Grease
1400 RPM
Limiting speed - oil
1700 RPM
Limiting Speed - Oil
1700 RPM
Material
Hardened Alloy Steel
Oil hole
w/o Oil Hole
Oil Hole
w/o Oil Hole
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision
ISO Class 0
r (in)
0.0827
Radial internal clearance
CN
Radial Internal Clearance
CN
ras max
0.0787 in
Static load rating
495000 lbf
Static Load Rating
495000 lbf
Tolerance
ISO Class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
Technical Specifications
Type | Cylindrical Roller Bearing |
Bore Type | Cylindrical |
Material | Hardened Alloy Steel |
Cage Material | High Strength, 2 piece, Machined Brass |
Limiting Speed - Oil | 1700 RPM |
Limiting Speed - Grease | 1400 RPM |
Precision | ISO Class 0 |
Configuration | Two |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | CN |
Static Load Rating | 495000 lbf2200000 N2200.00 kN |
Dynamic Load Rating | 208000 lbf925000 N925.00 kN |
Enclosure | Open |
Weight | 72.973 lb33.100 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 11.0236 in280.000 mm |
D | 14.9606 in380.000 mm |
B | 3.9370 in100.000 mm |
C | 3.9370 in100.000 mm |
Fw | 12.2835 in312.000 mm |
r | 0.0827 in2.100 mm |
da min | 11.4567 in291.000 mm |
db min | 11.7717 in299.000 mm |
Da max | 14.5276 in369.000 mm |
Db min | 14.1339 in359.000 mm |
Db max | 14.5276 in369.000 mm |
ras max | 0.0787 in2.000 mm |
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