51309 Bearing
Thrust ball bearing
- Bore d45 mm
- Outer dia. D85 mm
- Width B28 mm
- Weight≈ 0.66 kg
Axial (thrust) loads only: vertical shafts, jacks, turntables.
Technical data
| Bearing designation | 51309 |
|---|---|
| Type | Thrust ball bearing |
| Bore d | 45 mm |
| Outer dia. D | 85 mm |
| Width B | 28 mm |
| Weight | ≈ 0.66 kg |
Dimensions are standard catalogue values; the weight is an approximate calculation. Please confirm before ordering.
Common suffixes for 51309
| 51309 M | Machined brass cage |
|---|
Click a designation to open it in the bearing finder. Suffix usage can differ slightly between brands.
Matching seal (radial shaft seal)
45 × 85 × 10 mm
Seal weight: ≈ 0.046 kg
Other common widths: 45 × 85 × 8 mm, 45 × 85 × 12 mm
For thrust bearings, the seal is chosen to suit the shaft diameter and the housing bore.
The seal's inner diameter matches the shaft (45 mm) and its outer diameter matches the housing bore (85 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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