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NSK Corp.
1218J
NSK 1218J Extra Narrow Self-Aligning Ball Bearing, 90 mm Dia Bore, 160 mm OD, 2 Rows, 30 mm W, 57500 N Dynamic/23500 N Static Load
Item #101102991
- 3.54 in Inner Diameter
- 6.3 in Outer Diameter
- Self-Aligning Bearing
- 1.18 in Overall Width
- Double Rowss
features
- Best used for moderate to low radial load and low speed applications that have dynamic misalignment
- Capable of 2.5 (1200) to 3.0 (1300) degrees of misalignment in either direction
- Spherical roller path on outer ring allows from some misalignment and minor shaft deflection
- Made from premium high carbon, high chromium steel
| Seal Type | Unsealed |
| Snap Ring | No Snap Ring |
| Bore Type | Round Bore |
| No. in Set | Single Bearing |
| Self Aligning | Yes |
| Contact Angle | N/A |
| Ball Material | Steel |
| Retainer Material | Steel |
| Lubricant | Oil Preservative |
| Static Load Rating | 23.4 kN |
| Seal Material | None |
| Radial Internal Clearance | Normal |
| Internal Clearance | CO |
| Dynamic Load Rating | 56.8 kN |
| Overall Width | 1.18 in, 30 mm |
| icNumber | 7696333 |
| Cage Type | Metal |
| Inch/Metric | Metric Bore |
| Speed (Max) Oil | 4300 rpm |
| Speed (Max) Grease | 3500 rpm |
| I.D. | 90 mm |
| Origin | Double Row Self-Aligning |
| Operating Temperature [Min] | -22 ˚F |
| O.D. | 160 mm |
| Precision Class | Class 0 |
| Material | Steel |
| Precision Level | Standard (ABEC 1) |
| Retainer Type | Riveted |
| Series | 1200 |
| Radial Internal Clearance Specification | Normal Clearance |
| Outer Ring Width | 30 mm |
| Precision | Standard |
| Component | Assembly |
| Relubricatable | No |
| Capacity | Standard Capacity |
| Fillet Radius | 0.08 in, 2 mm |
| Rows of Balls | Double |
| Operating Temperature [Max] | 248 ˚F |
| Inner Ring Width | 30 mm |
| Rolling Element | Ball |
| Enclosure | Open |
| Locking Device | No Locking Device |
| Cage Material | Steel |
| Misalignment Range | 0° - 2 1/2° |
| Bearing Type | Self-Aligning |
| O.D. Type | Straight |
| Preload Level | None |
| Weight | 5.456 LB |
| EAN or UPC | 605790001376 |
