| Category | Angular Contact Ball Bearing |
| Inventory | 3.0 |
| Minimum Buy Quantity | N/A |
| Weight | 0.234 |
| Product Group | B00152 |
| Enclosure | 2 Seals |
| Flush Ground | No |
| Rolling Element | Ball Bearing |
| Number of Rows of Balls | Double Row |
| Precision Class | ABEC 3 | ISO P6 |
| Maximum Capacity / Filling Slot | No |
| Snap Ring | No |
| Cage Material | Steel |
| Contact Angle | 30 Degree |
| Internal Clearance | C0-Medium |
| Number of Bearings | 1 (Single) |
| Inch - Metric | Metric |
| Long Description | 20MM Bore; 52MM Outside Diameter; 22.2MM Width; 2 Seals; No Flush Ground; Ball Bearing; Double Row of Balls; ABEC 3 | ISO P6; No Filling Slot; No Snap Ring |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Angular Contact |
| Manufacturer Item Number | 5304 A-2RS1 |
| Weight / LBS | 0.502 |
| d | 20 mm |
| B | 22.2 mm |
| D | 52 mm |
| d2 ≈ | 29.9 mm |
| D2 ≈ | 43.95 mm |
| r1,2 min. | 1.1 mm |
| a | 30 mm |
| da min. | 27 mm |
| da max. | 29.5 mm |
| Da max. | 45 mm |
| ra max. | 1 mm |
| Basic dynamic load rating C | 24.5 kN |
| Basic static load rating C0 | 15.6 kN |
| Fatigue load limit Pu | 0.67 kN |
| Reference speed | 13000 r/min |
| Limiting speed | 9000 r/min |
| Calculation factor kr | 0.07 |
| Calculation factor e | 0.8 |
| Calculation factor X | 0.63 |
| Calculation factor Y0 | 0.66 |
| Calculation factor Y1 | 0.78 |
| Calculation factor Y2 | 1.24 |
| Mass bearing | 0.22 kg |
