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NTN NNU4944C3 Large Size Cylindrical Roller
MODEL NNU4944C3
$26,890.41 Each
Prices are subject to change
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Bore Type
Cylindrical
Cage Material
High Strength, 2 piece, Machined Brass
Configuration
Two
Dynamic Load Rating
132000 lbf
Enclosure
Open
Limiting Speed - Grease
1900 RPM
Limiting Speed - Oil
2200 RPM
Material
Hardened Alloy Steel
Oil Hole
w/o Oil Hole
Operating Temperature Range
-40 to 250 °F
Precision
ISO Class 0
Radial Internal Clearance
C3
Static Load Rating
292000 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 | 2200 RPM |
Limiting Speed - Grease | 1900 RPM |
Precision | ISO Class 0 |
Configuration | Two |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | C3 |
Static Load Rating | 292000 lbf1300000 N1300.00 kN |
Dynamic Load Rating | 132000 lbf585000 N585.00 kN |
Enclosure | Open |
Weight | 37.258 lb16.900 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 8.6614 in220.000 mm |
D | 11.8110 in300.000 mm |
B | 3.1496 in80.000 mm |
C | 3.1496 in80.000 mm |
Fw | 9.6457 in245.000 mm |
r | 0.0827 in2.100 mm |
da min | 9.0945 in231.000 mm |
db min | 9.3701 in238.000 mm |
Da max | 11.3780 in289.000 mm |
Db min | 11.1811 in284.000 mm |
Db max | 11.3780 in289.000 mm |
ras max | 0.0787 in2.000 mm |
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