| Category | Precision Ball Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight | 0.073 |
| Product Group | B04270 |
| Enclosure | Open |
| Precision Class | ABEC 7 | ISO P4 |
| Material - Ball | Steel |
| Number of Bearings | 2 (1 Pair) |
| Contact Angle | 25 Degree |
| Preload | Extra Light |
| Raceway Style | 1 Rib Outer Ring |
| Cage Material | Phenolic |
| Rolling Element | Ball Bearing |
| Mounting Arrangement | Duplex-Back to Back |
| Flush Ground | Yes |
| Inch - Metric | Metric |
| Other Features | Single Row | Angular Contact | High Precision | Relubrication | 1/2 Pair With Preload |
| Long Description | 20MM Bore; 37MM Outside Diameter; 18MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 2 (1 Pair) Bearings; 25 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Rac |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Ball Angular Contact |
| Manufacturer Item Number | 71904DS-BKE#7 |
| Weight / LBS | 0.161 |
| B | 0.709 Inch | 18 Millimeter |
| d | 0.787 Inch | 20 Millimeter |
| D | 1.457 Inch | 37 Millimeter |
