Timken NK21/20 needle roller bearings
Timken Bearing are 6 mm rs (min) a few brands you 12 mm Dynamic (Cr) will find in BEARING Driveshaft USA CORP. our inventory. Find Timken NK21/20 needle roller bearings to see what's 400 mm d in stock!
What is NK21/20 bearing cross reference？
| Brand Name: | Timken |
| Model Number: | NK21/20 |
| Design Unit: | METRIC |
| Bearing Weight: | 408.000 Kg |
| Cage Type: | YMB |
| Cage Material: | Brass |
| d: | 530.000 mm |
| D: | 780.000 mm |
| B - Inner Ring Width: | 250 mm |
| B - Outer Ring Width: | 250.000 mm |
| PDF |
NK21/20 |
Product Details
| Design Unit | METRIC |
| Bearing Weight | 408.000 Kg |
| Cage Type | YMB |
| Cage Material | Brass |
| d | 530.000 mm |
| D | 780.000 mm |
| B - Inner Ring Width | 250 mm |
| B - Outer Ring Width | 250.000 mm |
| R - Inner Ring To Clear Radius1 | 5.000 mm |
| r - Outer Ring To Clear Radius2 | 5.000 mm |
| da - Inner Ring Backing Diameter | 583.000 mm |
| Da - Outer Ring Backing Diameter | 725.000 mm |
| C0 - Static Radial Rating | 13700000 N |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 6770000 N |
| e - ISO Factor3 | 0.28 |
| Y0 - ISO Factor4 | 2.37 |
| Y1 - ISO Factor5 | 3.53 |
| Y2 - ISO Factor6 | 2.32 |
| Reference Thermal Speed Rating (Grease) | 320 |
| Reference Thermal Speed Rating (Oil)7 | 350 |
| Cg - Geometry Factor8 | 0.1082 |
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