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NSK Corp.
NJ311ETC3
CYLINDRICAL ROLLER BEARING NSK Medium Cylindrical Roller Bearing, 55 mm Dia Bore, 120 mm OD, 1 Row, 29 mm W, 158000 N Dynamic/143000 N Static Load
Item #101102803
- 2.17 in Inner Diameter
- 4.72 in Outer Diameter
- 1.14 in Width
applications
- Traction motors
- Electric motors
- Gearboxes
features
- Logarithmically crowned rollers
- High speed performance
- Precision-honed rolling contact surfaces
compliances
- 0
| Bearing Part | Complete Bearing |
| Bearing Type | Radial |
| Relubrication Feature | Without |
| No. of Ribs - Inner Ring | 1 |
| Series | 3 |
| O.D. | 4.72 in, 120 mm |
| Cage Type | Non-Metallic |
| Precision Rating | ABEC 1 |
| Static Load Rating | 143 kN |
| Limiting Speed | 7000 rpm |
| Capacity | High Capacity |
| Cage Material | Polyamide |
| Bore Type | Cylindrical |
| Reference Speed | 6000 rpm |
| No. of Ribs - Outer Ring | 2 |
| Rolling Element | Roller |
| Row Type | 1 |
| No. of Rows | 1 |
| Rows of Balls | Single |
| Enclosure | Open |
| Inner Ring Width | 1.14 in, 29 mm |
| Origin | Cylindrical Radial |
| Inch/Metric | Metric |
| Dynamic Load Rating | 156 kN |
| Width | 1.14 in, 29 mm |
| Internal Clearance | C3 |
| End Type | Open End |
| O.D. Type | Cylindrical |
| Radial Internal Clearance Specification | Greater Than Normal Clearance |
| I.D. | 2.17 in, 55 mm |
| Bearing Design | Removable Inner Ring – Flanged |
| Element Material | Bearing Steel |
| Material | Bearing Steel |
| Radial Internal Clearance | C3 |
| Oil Hole | w/o Oil Hole |
| Precision Ground | Yes |
| Outer Ring Width | 1.14 in, 29 mm |
| Tolerance | Normal (PN) |
| Weight | 3.378 LB |
| EAN or UPC | 7316577032706 |
