NN3011 Bearing
Double row cylindrical roller bearing
- Bore d55 mm
- Outer dia. D90 mm
- Width B26 mm
- Weight≈ 0.63 kg
High rigidity and precision: machine-tool spindles, mill rolls.
Technical data
| Bearing designation | NN3011 |
|---|---|
| Type | Double row cylindrical roller bearing |
| Bore d | 55 mm |
| Outer dia. D | 90 mm |
| Width B | 26 mm |
| Weight | ≈ 0.63 kg |
Designation meaning and notes
- NN: double row, ribs on the inner ring.
Dimensions are standard catalogue values; the weight is an approximate calculation. Please confirm before ordering.
Common suffixes for NN3011
| NN3011 K | Tapered bore, taper 1:12 |
|---|---|
| NN3011 KTN | Tapered bore, taper 1:12 · Polyamide cage |
Click a designation to open it in the bearing finder. Suffix usage can differ slightly between brands.
Matching seal (radial shaft seal)
55 × 90 × 10 mm
Seal weight: ≈ 0.048 kg
Other common widths: 55 × 90 × 8 mm, 55 × 90 × 12 mm
The seal's inner diameter matches the shaft (55 mm) and its outer diameter matches the housing bore (90 mm); the width depends on the space in the housing. NBR (double lip, TC type) is recommended for general use and FKM (Viton) for high temperatures.
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