Overview
Double row cylindrical roller bearings are suitable for heavy radial loads and high speeds, while providing a high degree of stiffness.
SPECIFICATIONS
| Designations | NN 3012 KTN/SP |
| Bore Diameter | 60 mm |
| Outside Diameter | 95 mm |
| Width | 26 mm |
| Weight | 1.48 lbs/ 0.66kg |
| Flanges | Inner Ring |
| Number of Rows | 2 |
| Cage Material | Polyamide |
| Static Load Capacity | 116 kN |
| Closure Type | Open |
| Operating Temperature Range | Maximum of +120 °C |
| Fillet Radius | 1.1 mm |
| Seal Type | Unsealed |
| Internal Clearance | C1 |
| Series | 30 |
| Dynamic Load Capacity | lbf |
| Lubrication Type | Not Lubricated |
| Maximum RPM | 10000 RPM |
| Bearing Material | Steel |
| Precision Rating | Not Rated |
| Ring Separation | I/R assembly separable O/R |
Features and Benefits
high speed capability
high radial load carrying capacity
high rigidity
low friction
Low cross-sectional height
Application
medium/high capacity motors
locomotives
machine tool main shaft
internal-combustion engine
generators
gas-fired turnbines
geared-down motors
cranes
Extended SKF NN 30 series bearings
| Designation | Principal dimensions | Basic load ratings | Attainable speeds | ||||
| dynamic | static | Grease lubrication | Oil-air lubrication | ||||
| d[in] | D[in] | B[in] | C[lbf] | C0[lbf] | [r/min] | [r/min] | |
| NN 3005 K/SP | 0.984 | 1.85 | 0.63 | 5 845 | 6 744 | 19 000 | 22 000 |
| NN 3005/SP | 0.984 | 1.85 | 0.63 | 5 845 | 6 744 | 19 000 | 22 000 |
| NN 3006 KTN/SP | 1.181 | 2.165 | 0.748 | 6 924 | 8 430 | 17 000 | 19 000 |
| NN 3006 TN/SP | 1.181 | 2.165 | 0.748 | 6 924 | 8 430 | 17 000 | 19 000 |
| NN 3007 K/SP | 1.378 | 2.441 | 0.787 | 8 790 | 11 240 | 14 000 | 16 000 |
| NN 3007/SP | 1.378 | 2.441 | 0.787 | 8 790 | 11 240 | 14 000 | 16 000 |
| NN 3008 KTN/SP | 1.575 | 2.677 | 0.827 | 9 644 | 12 589 | 13 000 | 15 000 |
| NN 3008 TN/SP | 1.575 | 2.677 | 0.827 | 9 644 | 12 589 | 13 000 | 15 000 |
| NN 3009 KTN/SP | 1.772 | 2.953 | 0.906 | 11 263 | 14 725 | 12 000 | 14 000 |
| NN 3009 TN/SP | 1.772 | 2.953 | 0.906 | 11 263 | 14 725 | 12 000 | 14 000 |
| NN 3010 KTN/SP | 1.969 | 3.15 | 0.906 | 11 870 | 16 523 | 11 000 | 13 000 |
| NN 3010 TN/SP | 1.969 | 3.15 | 0.906 | 11 870 | 16 523 | 11 000 | 13 000 |
| NN 3011 KTN/SP | 2.165 | 3.543 | 1.024 | 15 579 | 21 694 | 10 000 | 12 000 |
| NN 3011 TN/SP | 2.165 | 3.543 | 1.024 | 15 579 | 21 694 | 10 000 | 12 000 |
| NN 3012 KTN/SP | 2.362 | 3.74 | 1.024 | 16 568 | 23 830 | 9 500 | 11 000 |
| NN 3012 TN/SP | 2.362 | 3.74 | 1.024 | 16 568 | 23 830 | 9 500 | 11 000 |
For more information,please contact
WhatsApp: +86 13520524683
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