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Cylindrical Roller Bearing - Separable, Plain Inner Ring, Outer Ring w/ Two Ribs - NU Type
MODEL NU321
$4,025.31 Each
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B (in)
1.9291
Bore type
Round
Bore Type
Round
Cage material
Pressed steel
Cage Material
Pressed Steel
Configuration
One
D (in)
8.8583
d (in)
4.1339
Da max
8.3465 in
da min
4.6457 in
Db max
8.3465 in
db min
4.6457 in
Dynamic load rating
72000 lbf
Dynamic Load Rating
72000 lbf
Enclosure
Open
Fw
5.3150 in
Limiting speed - grease
3100 RPM
Limiting Speed - Grease
3100 RPM
Limiting speed - oil
3700 RPM
Limiting Speed - Oil
3700 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
r (in)
0.1181
r1as max
0.0984 in
Radial internal clearance
CN
Radial Internal Clearance
CN
Static load rating
81000 lbf
Static Load Rating
81000 lbf
Tolerance
ISO Class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
Technical Specifications
Type | Cylindrical Roller Bearing |
Bore Type | Round |
Material | Hardened Alloy Steel |
Cage Material | Pressed Steel |
Limiting Speed - Oil | 3700 RPM |
Limiting Speed - Grease | 3100 RPM |
Configuration | One |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | CN |
Static Load Rating | 81000 lbf360000 N360.00 kN |
Dynamic Load Rating | 72000 lbf320000 N320.00 kN |
Enclosure | Open |
Weight | 18.805 lb8.530 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 4.1339 in105.000 mm |
D | 8.8583 in225.000 mm |
B | 1.9291 in49.000 mm |
Fw | 5.3150 in135.000 mm |
r | 0.1181 in3.000 mm |
da min | 4.6457 in118.000 mm |
db min | 4.6457 in118.000 mm |
Da max | 8.3465 in212.000 mm |
Db max | 8.3465 in212.000 mm |
r1as max | 0.0984 in2.500 mm |
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