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N1008KTNHA/SP super precision cylindrical roller bearing specification
| Designation | N 1008 KTNHA/SP | |
| Category | ||
| Cylindrical roller bearings, single row, super-precision | ||
| Dimensions | ||
| d (Bore diameter) | 40 mm | 1.575 in |
| D (Outer diameter) | 68 mm | 2.677 in |
| B (Width) | 15 mm | 0.591 in |
| W (Weight) | 0.19 kg | 47.5 lbs |
| Technical Data | ||
| Cr (kN) Basic dynamic load rating | 24.2 | |
| C0r (kN) Basic static load rating | 26.5 | |
| Fatigue load limit (kN) | 3.05 | |
| Attainable speed for grease lubrication (r/min) | 22000 | |
| Attainable speed for oil-air lubrication (r/min) | 32000 | |
| Reference grease quantity (cm3) | 2.5 | |
| Static Radial Stiffness(guideline value) (N/um) | 430 | |
| Seal | No | |
| Precision | P4A | |
Extended N.1008.KTNHA.SP cylindrical roller bearing 40*68*15
| Designation | Principal dimensions | Basic load ratings | Attainable speeds | ||||
| dynamic | static | Grease lubrication | Oil-air lubrication | ||||
| d[mm] | D[mm] | B[mm] | C[kN] | C0[kN] | [r/min] | [r/min] | |
| N 1008 KPHA/HC5SP | 40 | 68 | 15 | 23.3 | 25 | 32 000 | 38 000 |
| N 1008 KPHA/SP | 40 | 68 | 15 | 23.3 | 25 | 30 000 | 36 000 |
| N 1008 KTN/HC5SP | 40 | 68 | 15 | 25.1 | 28 | 18 000 | 20 000 |
| N 1008 KTN/SP | 40 | 68 | 15 | 25.1 | 28 | 15 000 | 17 000 |
| N 1008 KTNHA/HC5SP | 40 | 68 | 15 | 24.2 | 26.5 | 26 000 | 36 000 |
| N 1008 KTNHA/SP | 40 | 68 | 15 | 24.2 | 26.5 | 22 000 | 32 000 |
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