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NSK Corp.
N312M
CYLINDRICAL ROLLER BEARING NSK Medium Cylindrical Roller Bearing, 60 mm Dia Bore, 130 mm OD, 1 Row, 31 mm W, 124000 N Dynamic/126000 N Static Load
Item #101100905
- 2.36 in Inner Diameter
- 5.12 in Outer Diameter
- 1.22 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
| Internal Clearance | CN |
| Origin | Cylindrical Radial |
| Radial Internal Clearance | Normal |
| Inner Ring Width | 1.22 in, 31 mm |
| Capacity | High Capacity |
| Rows of Balls | Single |
| Oil Hole | w/o Oil Hole |
| O.D. Type | Cylindrical |
| Outer Ring Width | 1.22 in, 31 mm |
| Relubrication Feature | Without |
| Dynamic Load Rating | 173 kN |
| Material | Bearing Steel |
| Precision Ground | Yes |
| O.D. | 5.12 in, 130 mm |
| Radial Internal Clearance Specification | Normal Clearance |
| I.D. | 2.36 in, 60 mm |
| Element Material | Bearing Steel |
| Inch/Metric | Metric |
| Width | 1.22 in, 31 mm |
| Bearing Part | Complete Bearing |
| Bore Type | Cylindrical |
| Bearing Design | Removable Outer Ring – Straight |
| Row Type | 1 |
| Limiting Speed | 6700 rpm |
| End Type | Open End |
| Series | 3 |
| Static Load Rating | 160 kN |
| Reference Speed | 5600 rpm |
| Tolerance | Iso Class 0 (RBEC 1) |
| Precision Rating | ABEC 1 |
| No. of Rows | 1 |
| Bearing Type | Radial |
| Enclosure | Open |
| Cage Material | Brass |
| Rolling Element | Roller |
| Weight | 4.612 LB |
| EAN or UPC | 7316576627064 |
