Unità cuscinetto a sfere021SYJ50KF
SUPPORTO SKF SYJ 50 KF
Unità cuscinetto a sfere
Description
Pillow (plummer) block ball bearing units consist of an insert bearing mounted in a housing that can be bolted to a support surface. This variant is locked with an adapter sleeve, enabling quick and easy mounting onto the shaft. The adapter sleeve is not included in the unit and should be ordered separately.
- Strong
- Ready to mount
- Lubricated and sealed bearing
- Quick locking onto the shaft
- Cost-effective
Key data
Unità cuscinetto a sfere- Shaft diameter
- 45mm
- Basic dynamic load rating
- 35.1kN
- Fatigue load limit
- 0.98kN
- Shoulder diameter inner ring ≈
- 62.51mm
- Limiting speed
- 4,000r/min
- Basic static load rating
- 23.2kN
Item details
- Item
- 021SYJ50KF
- Category
- A.08
- Unit of measure
- PZ
Technical specifications
44 specifications · highlighted (yellow border): used as catalog filters
| Shaft diameter | 45mm |
|---|---|
| Centre distance between bolt holes | 157.5 |
| Attachment bolt diameter | 16 |
| Housing overall width | 58 |
| Shoulder diameter inner ring ≈ | 62.51mm |
| Recommended diameter for attachment bolts, inch | 0.625 |
| Recommended diameter for attachment bolts, mm | 16 |
| Distance from locking device side face to raceway centre | 30.75 |
| Diameter of attachment bolt hole | 20 |
| Overall length | 206 |
| Bore diameter | 45 |
| Bearing width, total | 36.9 |
| Recommended diameter for dowel pins | 4 |
| Distance of dowel pins | 190 |
| Hexagonal key size for the grease fitting | 7 |
| Diameter of head sphere of grease fitting | 6.5 |
| Base width | 58 |
| Basic dynamic load rating | 35.1kN |
|---|---|
| Fatigue load limit | 0.98kN |
| Limiting speed | 4,000r/min |
| Basic static load rating | 23.2kN |
| Housing type | Pillow block, normal base |
|---|---|
| Material, housing | Cast iron |
| Number of bolt holes for fasteners | 2 |
| Retaining feature, inner ring | Adapter sleeve |
| Sealing, unit | Without |
| Grease fitting | With |
| Unit system | Metric |
| Lubricant | Grease |
| Coating | Without |
| Material, bearing | Bearing steel |
| Bore type | Tapered |
| Sealing type | Contact, standard |
| Rubber seating ring | Without |
| Sealing type, bearing | Contact, standard |
| Relubrication hole | With |
| Sealing, bearing | Seal and flinger on both sides |
| Fastening bolt hole type | Plain |
| Thread of grease fitting | 1/4-28 SAE-LT |
| Axial offset of dowel pins | 21 |
| Axial position of the housing thread | 3.5 |
| UNSPSC code | 31171536 |
|---|---|
| EClass code | 23-05-16-02 |
| Compliance with standard | JIS |