| 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 |