| Category | Precision Ball Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight | 0.404 |
| Product Group | B04270 |
| Enclosure | Open |
| Precision Class | ABEC 7 | ISO P4 |
| Material - Ball | Steel |
| Number of Bearings | 1 (Single) |
| Contact Angle | 15 Degree |
| Preload | None |
| Raceway Style | 1 Rib Outer Ring |
| Cage Material | Phenolic |
| Rolling Element | Ball Bearing |
| Flush Ground | No |
| Inch - Metric | Metric |
| Other Features | Single Row | Angular Contact | Super High Precision |
| Long Description | 55MM Bore; 90MM Outside Diameter; 18MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearings; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Rac |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Angular Contact Ball |
| Manufacturer Item Number | 2MM9111WI |
| Weight / LBS | 0.89 |
| d | 2.165 Inch | 55 Millimeter |
| B | 0.709 Inch | 18 Millimeter |
| D | 3.543 Inch | 90 Millimeter |
| d - Bore | 55 mm |
| D - Outer Diameter | 90 mm |
| Bearing Width | 18 mm |
| do - Ball Diameter | 10.318750 mm |
| C0 - Static Radial Rating | 28600 N |
| Ce - Dynamic Radial Rating1 | 37800 N |
| Limiting Speed (Grease) | 14700 rpm |
| Limiting Speed (Oil) | 29400 rpm |
| Ball Type | STEEL |
| Cage Type | CR - Phenolic Outer Land Riding Cage |
| Bearing Weight | 0.383 Kg |
| Design Units | METRIC |
| Full Timken Part Number | 2MM9111WICR |
| R - Inner Ring To Clear Radius2 | 1.0 mm |
| r - Outer Ring To Clear Radius3 | 1.0 mm |
| da - Inner Ring Backing Diameter | 62.200 mm |
| Da - Outer Ring Backing Diameter | 83.300 mm |
