SKU: NN3011 KTN/SP-SKF
SKF NN3011KTNSP Super Precision Double Row Cylindrical Roller Spindle Bearing 55x90x26mm
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Description
SKF Super Precision Double Row Cylindrical Roller Bearings: Double row cylindrical roller bearings SKF super-precision double row cylindrical roller bearings are manufactured as standard in the NN 30 and NNU 49 series. Both series are available with either a cylindrical or a 1:12 tapered bore (designation suffix K). In machine tool applications, cylindrical roller bearings with a tapered bore are preferred over bearings with a cylindrical bore, because the taper enables more accurate adjustment of clearance or preload during mounting.
Benefits: High-speed capability, high radial load carrying capacity, high rigidity, low friction, low cross-sectional height.
- Brand / Quality:
- SKF - High Quality
- Inside Diameter:
- 55mm
- Outside Diameter:
- 90mm
- Width:
- 26mm
- Seals / Shields:
- None
- Style:
- Super Precision Cylindrical Roller Bearings
Technical
| --- | Bearing Dimensions |
|---|---|
| d | 55mm |
| D | 90mm |
| B | 26mm |
| --- | Speeds and loads |
| Dynamic load C | 69.3 Kn |
| Static load C<sub>o</sub> | 96.5 kn |
| Fatigue load P<sub>u</sub> | 11.6 kN |
| Speed in grease | 10000rpm |
| Speeed in oil | 12000rpm |
| Weight | 0.62kg |
| --- | Abutment and fillet dimensions |
| d<sub>1</sub> | 68.2mm |
| E | 81mm |
| r<sub>1 and 2 min</sub> | 1.1mm |
| r<sub>3 and 4 min</sub> | 0.6mm |
| S<sup>2</sup> | 1.5mm |
| d<sub>a</sub> min | 61.5mm |
| D<sub>a min</sub> | 82mm |
| D<sub>a max</sub> | 83.5mm |
| d<sub>n</sub> | 1mm |
| d<sub>n</sub> | 79.8mm |
| Reference grease quantity | 3.6 grams |
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