722508DA Ball Bearings 2018 top 10
| Bearing number: |
6811 |
| Size (mm): |
55x72x9 |
| Bore Diameter (mm): |
55 |
| Outer Diameter (mm): |
72 |
| Width (mm): |
9 |
| d: |
55 mm |
| D: |
72 mm |
| B: |
9 mm |
Product Details
| Bearing number |
6811 |
| Size (mm) |
55x72x9 |
| Bore Diameter (mm) |
55 |
| Outer Diameter (mm) |
72 |
| Width (mm) |
9 |
| d |
55 mm |
| D |
72 mm |
| B |
9 mm |
| C |
9 mm |
| r min. |
0,3 mm |
| da min. |
57 mm |
| da max |
59 mm |
| Da max. |
70 mm |
| ra max. |
0,3 mm |
| Weight |
0,083 Kg |
| Basic dynamic load rating (C) |
8,8 kN |
| Basic static load rating (C0) |
8,1 kN |
| (Grease) Lubrication Speed |
8 700 r/min |
| (Oil) Lubrication Speed |
10 000 r/min |
| rs min |
0.3 mm |
| Radial clearance class |
CN |
| Mass |
0.08 kg |
| Dynamic load, C |
8.8 kN |
| Static load, C0 |
8.1 kN |
| Fatigue limit load, Cu |
0.37 kN |
| f0 |
16.2 |
| Nlim (oil) |
10,000 rpm |
| Nlim (grease) |
8,700 rpm |
| Min operating temperature, Tmin |
-20 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.46 Hz |
| Characteristic rolling element frequency, BSF |
13.26 Hz |
| Characteristic outer ring frequency, BPF0 |
10.18 Hz |
| Characteristic inner ring frequency, BPFI |
11.82 Hz |
| da min |
57 mm |
| Da max |
70 mm |
| ra max |
0.3 mm |
| Category |
Single Row Ball Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.08 |
| Product Group |
B00308 |
| Enclosure |
Open |
| Precision Class |
ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot |
No |
| Rolling Element |
Ball Bearing |
| Snap Ring |
No |
| Internal Special Features |
No |
| Cage Material |
Steel |
| Internal Clearance |
C0-Medium |
| Inch - Metric |
Metric |
| Long Description |
55MM Bore; 72MM Outside Diameter; 9MM Outer Race Diameter; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features |
| UNSPSC |
31171504 |
| Harmonized Tariff Code |
8482.10.50.68 |
| Noun |
Bearing |
| Keyword String |
Ball |
| Manufacturer Item Number |
6811 |
| Weight / LBS |
0.178 |
| Bore |
2.165 Inch | 55 Millimeter |
| Outside Diameter |
2.835 Inch | 72 Millimeter |
| Outer Race Width |
0.354 Inch | 9 Millimeter |
| bore diameter: |
55 mm |
| closure type: |
Open |
| outside diameter: |
72 mm |
| internal clearance: |
CN |
| overall width: |
9 mm |
| manufacturer upc number: |
4547359006278 |
| bore type: |
Round |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |