NN3034 Bearing
Double row cylindrical roller bearing
- Bore d170 mm
- Outer dia. D260 mm
- Width B67 mm
- Weight≈ 12 kg
High rigidity and precision: machine-tool spindles, mill rolls.
Technical data
| Bearing designation | NN3034 |
|---|---|
| Type | Double row cylindrical roller bearing |
| Bore d | 170 mm |
| Outer dia. D | 260 mm |
| Width B | 67 mm |
| Weight | ≈ 12 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 NN3034
| NN3034 K | Tapered bore, taper 1:12 |
|---|---|
| NN3034 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)
170 × 260 × 15 mm
Seal weight: ≈ 0.51 kg
Other common widths: 170 × 260 × 12 mm, 170 × 260 × 20 mm
The seal's inner diameter matches the shaft (170 mm) and its outer diameter matches the housing bore (260 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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