Unità cuscinetto a sfere021TU55FM
SUPPORTO SKF TU 55 FM
Unità cuscinetto a sfere
Description
Take-up ball bearing units, consisting of an insert bearing based on a sealed deep groove ball bearing mounted in a grey cast iron housing. This variant is intended for use in applications where the direction of rotation is constant. It has an inner ring extended on one side, with an eccentric locking collar, enabling quick and easy mounting onto the shaft.
- Designed for rotation in one direction
- Quick and easy to mount onto the shaft
- Accommodate static initial misalignment
- Long service life
- Reduced noise and vibration levels
Key data
Unità cuscinetto a sfere- Shaft diameter
- 55mm
- Basic dynamic load rating
- 43.6kN
- Fatigue load limit
- 1.25kN
- Shoulder diameter inner ring ≈
- 69.06mm
- Limiting speed
- 3,600r/min
- Basic static load rating
- 29kN
Item details
- Item
- 021TU55FM
- Category
- A.08
- Unit of measure
- PZ
Technical specifications
42 specifications · highlighted (yellow border): used as catalog filters
| Shaft diameter | 55mm |
|---|---|
| Housing overall width | 64 |
| Shoulder diameter inner ring ≈ | 69.06mm |
| Hexagonal key size for set screw | 5 |
| Distance from locking device side face to raceway centre | 35.9 |
| Diameter of attachment bolt hole | 35 |
| Overall height | 146 |
| Distance from locking device side face to thread centre | 7.9 |
| Overall bearing width | 48.4 |
| Bore diameter | 55 |
| Bearing width, total | 48.4 |
| Hexagonal key size for the grease fitting | 7 |
| Diameter of head sphere of grease fitting | 6.5 |
| Basic dynamic load rating | 43.6kN |
|---|---|
| Fatigue load limit | 1.25kN |
| Limiting speed | 3,600r/min |
| Basic static load rating | 29kN |
| Recommended tightening torque for set screw | 16.5 |
| Housing type | Take-up |
|---|---|
| Material, housing | Cast iron |
| Retaining feature, inner ring | Eccentric collar |
| Sealing, unit | Optional end cover |
| Grease fitting | With |
| Unit system | Metric |
| Lubricant | Grease |
| Coating | Without |
| Material, bearing | Bearing steel |
| Bore type | Cylindrical |
| Sealing type | Contact, standard |
| Rubber seating ring | Without |
| Note | Limiting speed with shaft tolerance h6 |
| Set screw | M10x1 |
| Sealing type, bearing | Contact, standard |
| Purpose specific | For material handling applications |
| Relubrication hole | With |
| Sealing, bearing | Seal on both sides |
| Standout of end cover | 33.5 |
| Thread of grease fitting | 1/4-28 SAE-LT |
| Axial position of the housing thread | 5 |
| UNSPSC code | 31171536 |
|---|---|
| EClass code | 23-05-08-02 |
| Compliance with standard | ISO |