Unità cuscinetto a sfere021SY25TF/VA228
SUPPORTO SKF PER ALTE TEMP. SY 25 TF/VA228 (+350¡C )
Unità cuscinetto a sfere
Description
Pillow (plummer) block ball bearing units consist of an insert bearing mounted in a cast iron housing that can be bolted to a support surface. This variant is suitable for high temperature applications, and for both constant and alternating directions of rotation. It has an inner ring extended on both sides and is locked onto the shaft by tightening a set screw on the inner ring, making it easy to mount.
- Strong
- For high temperature applications
- Designed for a constant and alternating rotation
- Ready to mount
- Lubricated and sealed bearing
- Quick locking onto the shaft
Key data
Unità cuscinetto a sfere- Shaft diameter
- 25mm
- Basic dynamic load rating
- 14kN
- Shoulder diameter inner ring ≈
- 33.74mm
- Limiting speed
- 230r/min
- Basic static load rating
- 7.8kN
- Width of inner ring
- 34.1mm
Item details
- Item
- 021SY25TF/VA228
- Category
- A.08
- Unit of measure
- PZ
Technical specifications
34 specifications · highlighted (yellow border): used as catalog filters
| Shaft diameter | 25mm |
|---|---|
| Centre distance between bolt holes | 102 |
| Attachment bolt diameter | 10 |
| Housing overall width | 36 |
| Shoulder diameter inner ring ≈ | 33.74mm |
| Width of inner ring | 34.1mm |
| Hexagonal key size for set screw | 3 |
| Distance from locking device side face to raceway centre | 19.8 |
| Distance from locking device side face to thread centre | 5 |
| Bearing width, total | 34.1 |
| Base width | 36 |
| Basic dynamic load rating | 14kN |
|---|---|
| Limiting speed | 230r/min |
| Basic static load rating | 7.8kN |
| Recommended tightening torque for set screw | 4 |
| Housing type | Pillow block, normal base |
|---|---|
| Material, housing | Cast iron |
| Number of bolt holes for fasteners | 2 |
| Retaining feature, inner ring | Set screws |
| Sealing, unit | Without |
| Grease fitting | Without |
| Unit system | Metric |
| Lubricant | Solid lubricant |
| Coating | Zinc-coated housing and manganese phosphate coated bearing |
| Material, bearing | High temperature steel |
| Bore type | Cylindrical |
| Sealing type | Non-contact |
| Rubber seating ring | Without |
| Set screw | M6x0.75 |
| Relubrication hole | Without |
| Sealing, bearing | Shield and flinger on both sides |
| Fastening bolt hole type | Plain |
| UNSPSC code | 31171536 |
|---|---|
| EClass code | 23-05-90-90 |