Unità cuscinetto a sfere021SYK20TR
SUPPORTO SYK 20 TR
Unità cuscinetto a sfere
Description
Pillow (plummer) block ball bearing units consist of an insert bearing mounted in a composite housing that is lightweight but robust and has excellent corrosion resistance. This variant is suitable for applications with 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.
- Designed for a constant and alternating rotation
- Excellent corrosion resistance
- Lightweight
- Recyclable
Key data
Unità cuscinetto a sfere- Shaft diameter
- 20mm
- Basic dynamic load rating
- 12.7kN
- Fatigue load limit
- 0.28kN
- Shoulder diameter inner ring ≈
- 28.2mm
- Limiting speed
- 5,000r/min
- Basic static load rating
- 6.55kN
Item details
- Item
- 021SYK20TR
- Category
- A.08
- Unit of measure
- PZ
Technical specifications
46 specifications · highlighted (yellow border): used as catalog filters
| Shaft diameter | 20mm |
|---|---|
| Centre distance between bolt holes | 96.5 |
| Attachment bolt diameter | 10 |
| Housing overall width | 32 |
| Shoulder diameter inner ring ≈ | 28.2mm |
| Width of inner ring | 31mm |
| Recommended diameter for attachment bolts, inch | 0.375 |
| Recommended diameter for attachment bolts, mm | 10 |
| Hexagonal key size for set screw | 3 |
| Distance from locking device side face to raceway centre | 18.3 |
| Diameter of attachment bolt hole | 12 |
| Overall length | 126 |
| Distance from locking device side face to thread centre | 4.5 |
| Overall bearing width | 31 |
| Width including end cover | 20 |
| Bore diameter | 20 |
| Bearing width, total | 31 |
| Base width | 32 |
| Basic dynamic load rating | 12.7kN |
|---|---|
| Fatigue load limit | 0.28kN |
| Limiting speed | 5,000r/min |
| Basic static load rating | 6.55kN |
| Recommended tightening torque for set screw | 4 |
| Housing type | Pillow block, normal base |
|---|---|
| Material, housing | Composite |
| Number of bolt holes for fasteners | 2 |
| Retaining feature, inner ring | Set screws |
| Sealing, unit | Optional end cover |
| Grease fitting | Without |
| Unit system | Metric |
| Lubricant | Grease |
| Coating | Without |
| Material, bearing | Bearing steel |
| Bore type | Cylindrical |
| Sealing type | Contact, multiple |
| Rubber seating ring | Without |
| Note | Limiting speed with shaft tolerance h6 |
| Set screw | M6x0.75 |
| Sealing type, bearing | Contact, multiple |
| Purpose specific | For agricultural applications |
| Relubrication hole | Without |
| Sealing, bearing | Seal and flinger on both sides |
| Fastening bolt hole type | Plain |
| UNSPSC code | 31171536 |
|---|---|
| EClass code | 23-05-08-02 |
| Compliance with standard | ISO |