Bearing NK85/25 JNS NK85/25 JNS bearing Size Chart (mm/inches) |
|---|
| 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 Bearings |
| Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.08 |
| EAN | 4547359006278 |
| 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 |
| Category | Single Row Ball Bearing |
| UNSPSC | 31171504 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Ball |
| Manufacturer URL | http://www.ntnamerica.com |
| 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 |