NNU4924 Bearing
Double row cylindrical roller bearing
- Bore d120 mm
- Outer dia. D165 mm
- Width B45 mm
- Weight≈ 2.8 kg
High rigidity and precision: machine-tool spindles, mill rolls.
Technical data
| Bearing designation | NNU4924 |
|---|---|
| Type | Double row cylindrical roller bearing |
| Bore d | 120 mm |
| Outer dia. D | 165 mm |
| Width B | 45 mm |
| Weight | ≈ 2.8 kg |
Designation meaning and notes
- NNU: double row, ribs on the outer ring.
Dimensions are standard catalogue values; the weight is an approximate calculation. Please confirm before ordering.
Common suffixes for NNU4924
| NNU4924 K | Tapered bore, taper 1:12 |
|---|---|
| NNU4924 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)
120 × 165 × 12 mm
Seal weight: ≈ 0.15 kg
Other common widths: 120 × 165 × 10 mm, 120 × 165 × 15 mm
The seal's inner diameter matches the shaft (120 mm) and its outer diameter matches the housing bore (165 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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