Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Tapered roller bearings | |
| Bore diameter | d | 177.8 mm |
| Outside diameter | D | 247.65 mm |
| Basic dynamic load rating | C | 1270 kN |
| Basic static load rating | C0 | 2500 kN |
| Fatigue load limit | Pu | 232 kN |
| Mass | ≈m | 27.3 kg |
| Sealing | Seal on both sides | |
| Cage | Sheet metal | |
| Lubricant | None |
Dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 177.8 mm | |
| Outside diameter | 247.65 mm | |
| Width, total | 192.088 mm | |
| Width, inner ring | 192.088 mm | |
| Width, outer ring | 192.088 mm | |
| Contact angle | 15.3 ° |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Tapered roller bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/tapered-roller-bearings/four-row-tapered-roller-bearings | |
| Structure group ID | BT4_001 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Calculation data11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| SKF performance class | SKF Explorer | |
| Basic dynamic load rating | C | 1270 kN |
| Basic static load rating | C 0 | 2500 kN |
| Fatigue load limit | P u | 232 kN |
| Comparative radial load rating | C F | 340 kN |
| Comparative axial load rating | C Fa | 68.5 kN |
| Thrust factor | K | 1.4 |
| Limiting value | e | 0.4 |
| Calculation factor | Y 1 | 1.7 |
| Calculation factor | Y 2 | 2.5 |
| Calculation factor | Y 0 | 1.6 |
Engineering — Dimensions8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 177.8 mm |
| Outside diameter | D | 247.65 mm |
| Total bearing width over inner rings | B | 192.088 mm |
| Total bearing width over outer rings | T | 192.088 mm |
| Abutment diameter shaft | d 1 | ≈ 191 mm |
| Abutment diameter housing | D 1 | ≈ 220 mm |
| Chamfer dimension inner ring | r 1,2 | min. 1.5 mm |
| Outer ring radius (chamfer) | r 3,4 | min. 3 mm |
Engineering — Engineering specifications2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design variant/feature | TQOSN/GW | |
| Bore type | Cylindrical with helical groove |
Logistics1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 27.3 kg |
Performance3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 1270.0 kN | |
| Basic static load rating | 2500.0 kN | |
| SKF performance class | SKF Explorer |
Properties14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| 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 | Seal on both sides | |
| Sealing type | Contact | |
| Lubricant | None | |
| Relubrication feature | With | |
| Indicative carbon footprint for new product | 101.0 kg CO 2 e |
