M255449DW/M255410-M255410D Tapered Roller Bearing 288.925x406.400x298.450mm
| Model Number |
ZX330 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
M255449DW/M255410-M255410D Tapered Roller Bearing 288.925x406.400x298.450mm Size Chart (mm/inches) |
|---|
| Bearing number | 6308NR |
| Size (mm) | 40x90x23 |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 23 |
| d | 40 mm |
| D | 90 mm |
| B | 23 mm |
| C | 23 mm |
| rn | 0,5 mm |
| a | 3,28 mm |
| b | 2,7 mm |
| f | 2,46 mm |
| r min. | 1,5 mm |
| r0 max. | 0,6 mm |
| D1 | 86,79 mm |
| D2 | 96,5 mm |
| da min. | 48 mm |
| da max | 54 mm |
| Da max. | 82 mm |
| ra max. | 1,5 mm |
| Dx | 98 mm |
| Cy | 5,4 mm |
| Cz | 2,5 mm |
| rn | 0,5 mm |
| Weight | 0,63 Kg |
| Basic dynamic load rating (C) | 40,5 kN |
| Basic static load rating (C0) | 24 kN |
| (Grease) Lubrication Speed | 7 800 r/min |
| (Oil) Lubrication Speed | 9 200 r/min |
| a min | 3.07 mm |
| a max | 3.28 mm |
| Ca min | 5.43 mm |
| Ca max | 5.74 mm |
| rs min | 1.5 mm |
| rNs min | 0.5 mm |
| D3 max | 86.79 mm |
| b min | 2.7 mm |
| b max | 3 mm |
| r0 max | 0.6 mm |
| D4 max | 96.5 mm |
| Snap ring reference | R90 |
| Radial clearance class | CN |
| Mass | 0.63 kg |
| Dynamic load, C | 40.5 kN |
| Static load, C0 | 24 kN |
| Fatigue limit load, Cu | 1.09 kN |
| f0 | 13.2 |
| Nlim (oil) | 9,200 rpm |
| Nlim (grease) | 7,800 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.38 Hz |
| Characteristic rolling element frequency, BSF | 4.08 Hz |
| Characteristic outer ring frequency, BPF0 | 3.07 Hz |
| Characteristic inner ring frequency, BPFI | 4.93 Hz |
| da min | 48 mm |
| Da max | 82 mm |
| ra max | 1.5 mm |
| rNa max | 0.5 mm |
| Db min | 98 mm |
| Category | Single Row Ball Bearings |
| Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.647 |
| EAN | 4547359576719 |
| 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 | 40MM Bore; 90MM Outside Diameter; 23MM 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 |
| 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 | 6308NR |
| Weight / LBS | 1.426 |
| Bore | 1.575 Inch | 40 Millimeter |
| Outer Race Width | 0.906 Inch | 23 Millimeter |
| Inner Race Width | 0 Inch | 0 Millimeter |
| Outside Diameter | 3.543 Inch | 90 Millimeter |
| bore diameter: | 40 mm |
| precision rating: | ISO Class 0 |
| outside diameter: | 90 mm |
| finish/coating: | Uncoated |
| overall width: | 23 mm |
| bearing material: | High Carbon Chrome Steel |
| bore type: | Round |
| cage material: | Steel |
| closure type: | Open |
| inner ring width: | 23 mm |
| row type & fill slot: | Single Row Non-Fill Slot |
| outer ring width: | 23 mm |
| snap ring included: | With Snap Ring |
| maximum rpm (grease): | 7800 rpm |
| internal clearance: | CN |
| maximum rpm (oil): | 9200 rpm |
| operating temperature range: | -40 to 120 ºC |
| fillet radius: | 1.5 mm |
| dynamic load capacity: | 40500 N |
| manufacturer product page: | Click here |
| static load capacity: | 24000 N |