Unità cuscinetto a sfere021UKP211K
SUPPORTO SKF UKP 211 K/H
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
- 50mm
- Centre height (pillow block)
- 63.5mm
- Basic dynamic load rating
- 43.6kN
- Fatigue load limit
- 1.25kN
- Shoulder diameter inner ring ≈
- 69.06mm
- Limiting speed
- 3,000r/min
Item details
- Item
- 021UKP211K
- Category
- A.08
- Unit of measure
- PZ
Technical specifications
43 specifications · highlighted (yellow border): used as catalog filters
| Shaft diameter | 50mm |
|---|---|
| Centre height (pillow block) | 63.5mm |
| Centre distance between bolt holes | 171 |
| Attachment bolt diameter | 16 |
| Housing overall width | 59 |
| Shoulder diameter inner ring ≈ | 69.06mm |
| Recommended diameter for attachment bolts, inch | 0.625 |
| Recommended diameter for attachment bolts, mm | 16 |
| Distance from locking device side face to raceway centre | 32.5 |
| Diameter of attachment bolt hole | 20 |
| Overall length | 219 |
| Overall bearing width | 39.9 |
| Bore diameter | 50 |
| Bearing width, total | 39.9 |
| Hexagonal key size for the grease fitting | 11.11 |
| Diameter of head sphere of grease fitting | 6.589 |
| Base width | 59 |
| Basic dynamic load rating | 43.6kN |
|---|---|
| Fatigue load limit | 1.25kN |
| Limiting speed | 3,000r/min |
| Basic static load rating | 29kN |
| 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 |
| Purpose specific | For material handling applications |
| Relubrication hole | With |
| Sealing, bearing | Seal and flinger on both sides |
| Fastening bolt hole type | Plain |
| Thread of grease fitting | 1/8-27 NPT |
| Axial position of the housing thread | 4 |
| Associated mounting tool | HN 11 |
| Compliance with standard | JIS |
|---|