SKF 331978 BG
SKF
331978 BG
Bore diameter540 mm
Outside diameter690 mm
Basic dynamic load rating7 480 kN
📋 Request Price & Availability
Available to order — subject to stock & destination
Dimensions
| Bore diameter | 540 mm |
| Outside diameter | 690 mm |
| Width, total | 400 mm |
| Width, inner ring | 400 mm |
| Width, outer ring | 400 mm |
| Contact angle | 12.5 ° |
Performance
| Basic dynamic load rating | 7 480 kN |
| Basic static load rating | 21 200 kN |
Properties
| Bearing part | Complete bearing |
| Design | TQO |
| Number of rows | 4 |
| Locating feature, bearing outer ring | Without |
| Bore type | Cylindrical with helical groove |
| Cage | Sheet metal |
| Arrangement of contact angle (double-row bearing) | Not applicable |
| Matched arrangement | No |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | With |
| Candidate for remanufacturing | Yes |
| Indicative carbon footprint for new product | 1 339 kg CO2e |
| Indicative carbon footprint for remanufactured product | 469 kg CO2e |
Logistics & Classification
| Product net weight | 372 kg |
| eClass code | 23-05-09-10 |
Frequently Asked Questions
Is the SKF 331978 BG available for immediate delivery?
We stock a wide range of SKF Four-row tapered roller bearings and can advise on current availability and lead time. Contact us: info@tecnicaindustriale.biz or +39 080 536 7090.
What is the price of SKF 331978 BG?
Pricing depends on quantity and delivery requirements. Submit a quote request and we will respond within 1 business day.
Can Tecnica Industriale supply genuine SKF bearings?
Yes. As a SKF distributor, all products are fully traceable. We do not supply counterfeit or grey-market components.
What is the lead time for SKF 331978 BG?
Lead times vary. Many standard SKF references are dispatched within 24-48 hours from our Italian warehouse, subject to stock. Contact us for confirmation.