| 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 |