| Bearing number | 6304 NR |
| Size (mm) | 52x20x15 |
| Bore Diameter (mm) | 52 |
| Outer Diameter (mm) | 20 |
| Width (mm) | 15 |
| d | 20 mm |
| D | 52 mm |
| B | 15 mm |
| d1 | 30.35 mm |
| D2 | 44.71 mm |
| D3 | 49.73 mm |
| D4 | 57.9 mm |
| b | 1.35 mm |
| C | 2.46 mm |
| f | 1.12 mm |
| r0 | 0.4 mm |
| r1,2 - min. | 1.1 mm |
| da - min. | 27 mm |
| Da - max. | 45 mm |
| Db - min. | 59 mm |
| ba - min. | 1.5 mm |
| Ca - max. | 3.58 mm |
| ra - max. | 1 mm |
| Basic dynamic load rating - C | 16.8 kN |
| Basic static load rating - C0 | 7.8 kN |
| Fatigue load limit - Pu | 0.335 kN |
| Reference speed | 30000 r/min |
| Limiting speed | 19000 r/min |
| Calculation factor - kr | 0.03 |
| Calculation factor - f0 | 12 |
| Mass bearing | 0.149 kg |
| Category | Single Row Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.142 |
| Product Group | B00308 |
| Enclosure | Open |
| Precision Class | ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot | No |
| Rolling Element | Ball Bearing |
| Snap Ring | Yes |
| Internal Special Features | No |
| Cage Material | Steel |
| Internal Clearance | C0-Medium |
| Inch - Metric | Metric |
| Long Description | 20MM Bore; 52MM Outside Diameter; 15MM Outer Race Width; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; Yes Snap Ring; No Internal Special Features; C0-Medium Internal Clearance; Steel Cage |
| Other Features | Deep Groove | With Snap Ring |
| UNSPSC | 31171504 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Ball |
| Manufacturer Item Number | 6304 NR |
| Weight / LBS | 0.333 |
| Inner Race Width | 0 Inch | 0 Millimeter |
| Outside Diameter | 2.047 Inch | 52 Millimeter |
| Bore | 0.787 Inch | 20 Millimeter |
| Outer Race Width | 0.591 Inch | 15 Millimeter |
| bore diameter: | 20 mm |
| static load capacity: | 7.8 kN |
| outside diameter: | 52 mm |
| finish/coating: | Uncoated |
| overall width: | 15 mm |
| bearing material: | Steel |
| bore type: | Round |
| cage material: | Steel |
| closure type: | Open |
| fillet radius: | 1.1 mm |
| row type & fill slot: | Single Row Non-Fill Slot |
| maximum rpm: | 30000 rpm |
| snap ring included: | With Snap Ring |
| series: | 63 |
| internal clearance: | C0 |
| weight: | 0.33 lb |
| operating temperature range: | Max 250 °F |
| manufacturer product page: | Click here |
| dynamic load capacity: | 16.8 kN |
| manufacturer upc number: | 7316577297709 |
| d1 ≈ | 30.35 mm |
| D2 ≈ | 44.71 mm |
| r0 max. | 0.4 mm |
| r1,2 min. | 1.1 mm |
| da min. | 27 mm |
| Da max. | 45 mm |
| Db min. | 59 mm |
| ba min. | 1.5 mm |
| Ca max. | 3.58 mm |
| ra max. | 1 mm |
| Basic dynamic load rating C | 16.8 kN |
| Basic static load rating C0 | 7.8 kN |
| Fatigue load limit Pu | 0.335 kN |
| Calculation factor kr | 0.03 |
| Calculation factor f0 | 12 |
| Snap ring | SP 52 |
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