Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Cylindrical roller bearings | |
| Bore diameter | d | 280 mm |
| Outside diameter | D | 390 mm |
| Width | B | 275 mm |
| Basic dynamic load rating | C | 3750 kN |
| Basic static load rating | C0 | 6950 kN |
| Fatigue load limit | Pu | 670 kN |
| Reference speed | nref | 1200 r/min |
| Limiting speed | nG | 1700 r/min |
| Mass | ≈m | 102 kg |
| Internal clearance | C4 | |
| Sealing | Without | |
| Cage | Machined brass | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 280.0 mm | |
| Outside diameter | 390.0 mm | |
| Width | 275.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Cylindrical roller bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/four-row-cylindrical-roller-bearings | |
| Structure group ID | BC4_001 | |
| Available from SKF | Yes | |
| Remanufacturable | Yes |
Engineering — Calculation data4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| SKF performance class | SKF Explorer | |
| Basic dynamic load rating | C | 3750 kN |
| Basic static load rating | C 0 | 6950 kN |
| Fatigue load limit | P u | 670 kN |
Engineering — Dimensions13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 280 mm |
| Outside diameter | D | 390 mm |
| Total bearing width over inner ring(s) | B | 275 mm |
| Total bearing width over outer ring(s) | C | 275 mm |
| Bore diameter loose flange ring | D 1 | ≈ 352.97 mm |
| Outer ring shoulder diameter | D 1 | ≈ 353 mm |
| Raceway diameter inner ring | F | 308 mm |
| Width of annular groove | b | 11.1 mm |
| Diameter lubrication hole (outer ring) | K | 6 mm |
| Corner radius/chamfer inner ring | r 2 | min. 8.08 mm |
| Chamfer angle inner ring | α | 20 ° |
| Chamfer dimension on the outer ring | r 3,4 | min. 1.1 mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other | s | 3 mm |
Engineering — Engineering specifications3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| This bearing can replace | 314719 C | |
| Design variant/feature | BC4.8/W33 | |
| Bore type | Cylindrical |
Engineering — Included products2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing ring with roller and cage assembly | RBC4-0100 | |
| Separable bearing ring | LBC4-0100 |
Logistics2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 102.0 kg | |
| eClass code | 23-05-09-01 |
Performance5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 3750.0 kN | |
| Basic static load rating | 6950.0 kN | |
| Reference speed | 1200.0 r/min | |
| Limiting speed | 1700.0 r/min | |
| SKF performance class | SKF Explorer |
Properties16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Number of rows | 4 | |
| Locating feature, bearing outer ring | Without | |
| Bore type | Cylindrical | |
| Cage | Machined brass | |
| Number of flanges, outer ring | 5 | |
| Number of flanges, inner ring | 0 | |
| Loose flange | Outer ring loose flange | |
| Radial internal clearance | C4 | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | With | |
| Candidate for remanufacturing | Yes | |
| Indicative carbon footprint for new product | 377.0 kg CO 2 e | |
| Indicative carbon footprint for remanufactured product | 125.0 kg CO 2 e |
