| Bearing number | 6306NR |
| Size (mm) | 30x72x19 |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 19 |
| d | 30 mm |
| D | 72 mm |
| B | 19 mm |
| C | 19 mm |
| rn | 0,5 mm |
| a | 3,28 mm |
| b | 1,9 mm |
| f | 1,7 mm |
| r min. | 1,1 mm |
| r0 max. | 0,6 mm |
| D1 | 68,81 mm |
| D2 | 78,6 mm |
| da min. | 36,5 mm |
| da max | 43 mm |
| Da max. | 65,5 mm |
| ra max. | 1 mm |
| Dx | 80 mm |
| Cy | 4,6 mm |
| Cz | 1,7 mm |
| Weight | 0,36 Kg |
| Basic dynamic load rating (C) | 26,7 kN |
| Basic static load rating (C0) | 15 kN |
| (Grease) Lubrication Speed | 10 000 r/min |
| (Oil) Lubrication Speed | 12 000 r/min |
| a min | 3.07 mm |
| a max | 3.28 mm |
| Ca min | 4.67 mm |
| Ca max | 4.98 mm |
| rs min | 1.1 mm |
| rNs min | 0.5 mm |
| D3 max | 68.81 mm |
| b min | 1.9 mm |
| b max | 2.2 mm |
| r0 max | 0.6 mm |
| D4 max | 78.6 mm |
| Snap ring reference | R72 |
| Radial clearance class | CN |
| Mass | 0.36 kg |
| Dynamic load, C | 26.7 kN |
| Static load, C0 | 15 kN |
| Fatigue limit load, Cu | 0.68 kN |
| f0 | 13.3 |
| Nlim (oil) | 12,000 rpm |
| Nlim (grease) | 10,000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.39 Hz |
| Characteristic rolling element frequency, BSF | 4.14 Hz |
| Characteristic outer ring frequency, BPF0 | 3.08 Hz |
| Characteristic inner ring frequency, BPFI | 4.92 Hz |
| da min | 36.5 mm |
| Da max | 65.5 mm |
| ra max | 1 mm |
| rNa max | 0.5 mm |
| Db min | 80 mm |
| Category | Single Row Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.354 |
| 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 | 30MM Bore; 72MM Outside Diameter; 19MM 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 | 6306NR |
| Weight / LBS | 0.78 |
| Bore | 1.181 Inch | 30 Millimeter |
| Outer Race Width | 0.748 Inch | 19 Millimeter |
| Outside Diameter | 2.835 Inch | 72 Millimeter |
| Inner Race Width | 0 Inch | 0 Millimeter |
| bore diameter: | 30 mm |
| finish/coating: | Uncoated |
| outside diameter: | 72 mm |
| bearing material: | High Carbon Chrome Steel |
| overall width: | 19 mm |
| cage material: | Steel |
| bore type: | Round |
| inner ring width: | 19 mm |
| closure type: | Open |
| outer ring width: | 19 mm |
| row type & fill slot: | Single Row Non-Fill Slot |
| maximum rpm (grease): | 10000 rpm |
| snap ring included: | With Snap Ring |
| maximum rpm (oil): | 12000 rpm |
| internal clearance: | CN |
| fillet radius: | 1.1 mm |
| operating temperature range: | -40 to 120 ºC |
| maximum rpm: | 6600 RPM |
| dynamic load capacity: | 26700 N |
| series: | 63 |
| static load capacity: | 15000 N |
| manufacturer product page: | Click here |
| precision rating: | ISO Class 0 |
