Bearing 81260 ISO 81260 ISO bearing Size Chart (mm/inches) |
|---|
| Bearing number | NU328 |
| Size (mm) | 140x300x62 |
| Bore Diameter (mm) | 140 |
| Outer Diameter (mm) | 300 |
| Width (mm) | 62 |
| d | 140 mm |
| Fw | 180 mm |
| D | 300 mm |
| B | 62 mm |
| C | 62 mm |
| r min. | 4 mm |
| r1 min. | 4 mm |
| Weight | 21,2 Kg |
| Basic dynamic load rating (C) | 615 kN |
| Basic static load rating (C0) | 745 kN |
| (Grease) Lubrication Speed | 2 300 r/min |
| E | 260 mm |
| F | 180 mm |
| D1 | 245 mm |
| rs min | 4 mm |
| r1s min | 4 mm |
| Radial clearance class | CN |
| Mass (without HJ ring) | 21 kg |
| Dynamic load, C | 615 kN |
| Static load, C0 | 745 kN |
| Nlim (oil) | 2,700 rpm |
| Nlim (grease) | 2,300 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.41 Hz |
| Characteristic rolling element frequency, BSF | 5.32 Hz |
| Characteristic outer ring frequency, BPF0 | 5.76 Hz |
| Characteristic inner ring frequency, BPFI | 8.27 Hz |
| da min | 156 mm |
| da max | 176 mm |
| db min | 182 mm |
| Da max | 284 mm |
| ra max | 3 mm |
| r1a max | 3 mm |
| Category | Roller Bearings |
| Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 21.019 |
| EAN | 4547359148015 |
| Product Group | B04144 |
| bore diameter: | 140 mm |
| precision rating: | ISO Class 0 |
| outside diameter: | 300 mm |
| maximum rpm: | 2700 rpm |
| overall width: | 62 mm |
| bearing material: | Hardened Alloy Steel |
| flanges: | (2) Outer Ring |
| cage material: | High Strength Machined Brass Rivetless w/ square holes |
| bore type: | Straight |
| finish/coating: | Uncoated |
| number of rows: | 1 |
| closure type: | Open |
| internal clearance: | CN |
| outer ring width: | 62 mm |
| ring separation: | Separable Inner Ring |
| fillet radius: | 3 mm |
| operating temperature range: | -40 to 120 ºC |
| series: | NU |
| dynamic load capacity: | 615000 N |
| manufacturer product page: | Click here |
| static load capacity: | 745000 N |