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Cylindrical Roller Bearings
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Super-Precision Cylindrical Roller Bearings
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Double Row Super-Precision Cylindrical Roller Bearings
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NNU 4944 BK/SPW33
NNU 4944 BK/SPW33
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QUOTE SUMMARY
Overview |
|
| Part Number | NNU 4944 BK/SPW33 |
Brand: LILY  |
Interchangeable With: SKF |
Characteristics |
|
| System of Measurement | Metric |
| Roller Bearing Type | Cylindrical |
| Seal Type | Open |
| Bore Type | Taper 1:12 |
| For Load Direction | Combined |
| Construction | Double Row |
Dimensions |
|
| Bore Dia | 220 mm |
| Bore Dia Tolerance | 0 to +0.030mm |
| Outer Dia | 300 mm |
| Outer Dia Tolerance | -0.018mm to 0 |
| Width | 80 mm |
| Width Tolerance | -0.30mm to 0 |
| Width Annular Lubrication Groove Outer Ring(B1) | 11.1 mm |
| Shoulder Dia Of Outer Ring | 272.2 mm |
| Permissible Axial Displacement(max.) | 3.7 mm |
| Raceway Diameter Of Inner Ring | 245 mm |
| Chamfer Dimension Inner Ring(r3,4)(min.) | 1.1 mm |
| Chamfer Dimension Outer Ring(r1,2)(min.) | 2.1 mm |
| Diameter Lubrication Hole (Outer Ring) (K) | 3 mm |
Material |
|
| Ring Material | Chrome Steel |
| Roller Material | Chrome Steel |
Performance |
|
| Dynamic Radial Load | 115200 lbf |
| Static Radial Load | 256500 lbf |
| Max Speed (X1000 rpm) | 3 |
| Temperature Range | -30° to 110 °C |
Properties |
|
| Lubrication | Grease, Oil |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 16.5 kg |
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