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Pillow Block Ball Bearing Unit – SY 55 TF
The SY 55 TF pillow block ball bearing unit features an extended inner ring with set screw locking, mounted in a cast iron housing. Designed to ISO standards, it is a strong, cost-effective, ready-to-mount solution that comes pre-lubricated and sealed for reliable performance.
Original price was: $76.08.$72.10Current price is: $72.10.
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Description
The SY 55 TF pillow block ball bearing unit is engineered for applications with both constant and alternating directions of rotation. Its insert bearing is mounted in a durable cast iron housing that can be securely bolted to a support surface, ensuring stability and long service life.
The inner ring is extended on both sides and locked to the shaft using set screws, allowing for quick and secure installation. This simple locking method reduces downtime and ensures reliable shaft attachment.
Factory lubrication and effective sealing provide long-lasting protection against contaminants, while the unit’s robust design supports demanding operating conditions. As a cost-effective and maintenance-friendly solution, the SY 55 TF is well suited for general industrial machinery and equipment.
Specifications
| Feature | Details |
|---|---|
| Part number | SY 55 TF |
| Weight | 3.53 kg |
| Housing type | Pillow block, normal base |
| Material, housing | Cast iron |
| Material, bearing | Bearing steel |
| Coating | Without |
| Retaining feature, inner ring | Set screws |
| Bore type | Cylindrical |
| Rubber seating ring | Without |
| Sealing, bearing | Seal and flinger on both sides |
| Sealing type | Contact, standard |
| Sealing, unit | Optional end cover |
| Lubricant | Grease |
| Relubrication hole | With |
| Grease fitting | With |
| Attachment bolt diameter | 16 mm |
| Shaft diameter | 55 mm |
| Centre height (pillow block) | 63.5 mm |
| Housing overall width | 60 mm |
| Centre distance between bolt holes | 171.5 mm |
| Bearing width, total | 55.6 mm |
| Basic dynamic load rating | 43.6 kN |
| Basic static load rating | 29 kN |
| Limiting speed | 3 600 r/min (with shaft tolerance h6) |
| Number of bolt holes | 2 |
| Fastening bolt hole type | Plain |
| eClass code | 23-05-08-02 |
| UNSPSC code | 31171536 |
Additional information
| Weight | 3.53 kg |
|---|
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