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NSK Corp.
N309ET
CYLINDRICAL ROLLER BEARING NSK Medium Cylindrical Roller Bearing, 45 mm Dia Bore, 100 mm OD, 1 Row, 25 mm W, 112000 N Dynamic/98500 N Static Load
Item #101369169
- 1.77 in Inner Diameter
- 3.94 in Outer Diameter
- 0.98 in Width
applications
- Traction motors
- Electric motors
- Gearboxes
features
- Logarithmically crowned rollers
- High speed performance
- Precision-honed rolling contact surfaces
compliances
- In accordance with ISO 15-1981
| Bore Type | Cylindrical |
| Rows of Balls | Single |
| Oil Hole | w/o Oil Hole |
| Width | 0.98 in, 25 mm |
| Row Type | 1 |
| Enclosure | Open |
| Static Load Rating | 100 kN |
| I.D. | 1.77 in, 45 mm |
| Rolling Element | Roller |
| Inch/Metric | Metric |
| Cage Type | Non-Metallic |
| Series | 3 |
| Relubrication Feature | Without |
| Origin | Cylindrical Radial |
| Element Material | Bearing Steel |
| Capacity | High Capacity |
| Precision Ground | Yes |
| O.D. | 3.94 in, 100 mm |
| No. of Ribs - Inner Ring | 2 |
| Material | Bearing Steel |
| End Type | Open End |
| Radial Internal Clearance | Group N |
| Outer Ring Width | 0.98 in, 25 mm |
| Inner Ring Width | 0.98 in, 25 mm |
| Bearing Type | Radial |
| Bearing Design | Removable Outer Ring – Straight |
| No. of Rows | 1 |
| Reference Speed | 7500 rpm |
| Tolerance | Normal (PN) |
| Limiting Speed | 8500 rpm |
| Radial Internal Clearance Specification | Normal Clearance |
| Cage Material | Polyamide |
| O.D. Type | Cylindrical |
| Precision Rating | ABEC 1 |
| Bearing Part | Complete Bearing |
| Dynamic Load Rating | 112 kN |
| Internal Clearance | CN |
| Weight | 1.986 LB |
| EAN or UPC | 7316577065193 |
