Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Tapered roller bearings | |
| Bore diameter | d | 280 mm |
| Outside diameter | D | 420 mm |
| Width | B | 174 mm |
| Basic dynamic load rating | C | 2208 kN |
| Basic static load rating | C0 | 4750 kN |
| Fatigue load limit | Pu | 400 kN |
| Reference speed | nref | 800 r/min |
| Limiting speed | nG | 1300 r/min |
| Mass | ≈m | 84.3 kg |
| Sealing | Without | |
| Cage | Sheet metal | |
| Lubricant | None |
Dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 280.0 mm | |
| Outside diameter | 420.0 mm | |
| Width, total | 174.0 mm | |
| Width, inner ring | 174.0 mm | |
| Width, outer ring | 174.0 mm | |
| Contact angle | 17.0 ° |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Tapered roller bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/tapered-roller-bearings/matched-tapered-roller-bearings | |
| Structure group ID | BT2_010 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Abutment dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Diameter of shaft abutment | d a | max. 306 mm |
| Diameter of housing abutment | D a | min. 370 mm |
| Diameter of housing abutment | D a | max. 402 mm |
| Minimum width of space required in housing on large side face | C a | min. 14 mm |
| Radius of fillet | r a | max. 5 mm |
| Radius of fillet | r c | max. 1.5 mm |
Engineering — Calculation data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 2208 kN |
| Basic static load rating | C 0 | 4750 kN |
| Fatigue load limit | P u | 400 kN |
| Reference speed | 800 r/min | |
| Limiting speed | 1300 r/min | |
| Limiting value | e | 0.46 |
| Calculation factor | Y 1 | 1.5 |
| Calculation factor | Y 2 | 2.2 |
| Calculation factor | Y 0 | 1.4 |
Engineering — Dimensions8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 280 mm |
| Outside diameter | D | 420 mm |
| Total width | T | 174 mm |
| Width of inner rings | 2B | 174 mm |
| Width of lubrication groove | b | 20 mm |
| Diameter of lubrication hole | K | 15 mm |
| Chamfer dimension | r 3,4 | min. 4 mm |
| Chamfer dimension | r 5 | min. 1.5 mm |
Logistics2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 84.3 kg | |
| eClass code | 23-05-09-10 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 2208.0 kN | |
| Basic static load rating | 4750.0 kN | |
| Reference speed | 800.0 r/min | |
| Limiting speed | 1300.0 r/min |
Properties12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Number of rows | 2 | |
| Locating feature, bearing outer ring | Without | |
| Bore type | Cylindrical | |
| Cage | Sheet metal | |
| Matched arrangement | Face-to-face (X) | |
| Number of bearings in matched set | 2 | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | With | |
| Indicative carbon footprint for new product | 312.0 kg CO 2 e |