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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 4956 B/SPW33
NNU 4956 B/SPW33
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QUOTE SUMMARY
Overview |
|
| Part Number | NNU 4956 B/SPW33 |
Brand: LILY  |
Interchangeable With: SKF |
Characteristics |
|
| System of Measurement | Metric |
| Roller Bearing Type | Cylindrical |
| Seal Type | Open |
| Bore Type | Cylindrical |
| For Load Direction | Combined |
| Construction | Double Row |
Dimensions |
|
| Bore Dia | 280 mm |
| Bore Dia Tolerance | -0.018mm to 0 |
| Outer Dia | 380 mm |
| Outer Dia Tolerance | -0.020mm to 0 |
| Width | 100 mm |
| Width Tolerance | -0.35mm to 0 |
| Width Annular Lubrication Groove Outer Ring(B1) | 13.9 mm |
| Shoulder Dia Of Outer Ring | 345.6 mm |
| Permissible Axial Displacement(max.) | 4.5 mm |
| Raceway Diameter Of Inner Ring | 312 mm |
| Chamfer Dimension Inner Ring(r3,4)(min.) | 2.1 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 | 172125 lbf |
| Static Radial Load | 405000 lbf |
| Max Speed (X1000 rpm) | 2 |
| Temperature Range | -30° to 110 °C |
Properties |
|
| Lubrication | Grease, Oil |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 32.5 kg |
