4308 Bearing
Double row deep groove ball bearing
- Bore d40 mm
- Outer dia. D90 mm
- Width B33 mm
- Weight≈ 0.89 kg
High radial loads in tight spaces: gear reducers, cranes and hoist sheaves.
Technical data
| Bearing designation | 4308 |
|---|---|
| Type | Double row deep groove ball bearing |
| Bore d | 40 mm |
| Outer dia. D | 90 mm |
| Width B | 33 mm |
| Weight | ≈ 0.89 kg |
Dimensions are standard catalogue values; the weight is an approximate calculation. Please confirm before ordering.
Matching seal (radial shaft seal)
40 × 90 × 10 mm
Seal weight: ≈ 0.055 kg
Other common widths: 40 × 90 × 8 mm, 40 × 90 × 12 mm
The seal's inner diameter matches the shaft (40 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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