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 | 260 mm |
| Outside diameter | D | 320 mm |
| Width | B | 28 mm |
| Basic dynamic load rating | C | 270 kN |
| Basic static load rating | C0 | 550 kN |
| Fatigue load limit | Pu | 49 kN |
| Reference speed | nref | 800 r/min |
| Limiting speed | nG | 1000 r/min |
| Mass | ≈m | 5 kg |
| Internal clearance | CN | |
| Sealing | Without | |
| Cage | Without | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 260.0 mm | |
| Outside diameter | 320.0 mm | |
| Width | 28.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Cylindrical roller bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/single-row-full-complement-cylindrical-roller-bearings | |
| Structure group ID | BC1_004 | |
| Available from SKF | Yes | |
| Remanufacturable | Yes |
Engineering — Abutment dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Abutment diameter shaft | d a | min. 269 mm |
| Abutment diameter shaft | d as | 279 mm |
| Abutment diameter housing | D a | max. 311 mm |
| Abutment diameter housing | D b | max. 313 mm |
| Fillet radius | r a | max. 1 mm |
| Fillet radius | r b | max. 1 mm |
Engineering — Calculation data8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 270 kN |
| Basic static load rating | C 0 | 550 kN |
| Fatigue load limit | P u | 49 kN |
| Reference speed | 800 r/min | |
| Limiting speed | 1000 r/min | |
| Calculation factor | k r | 0.1 |
| Limiting value | e | 0.2 |
| Calculation factor | Y | 0.6 |
Engineering — Dimensions9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 260 mm |
| Outside diameter | D | 320 mm |
| Width | B | 28 mm |
| Shoulder diameter inner ring | d 1 | ≈ 283 mm |
| Shoulder diameter outer ring | D 1 | ≈ 299 mm |
| Raceway diameter outer ring | E | 307.2 mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other | s | max. 1.8 mm |
| Chamfer dimension | r 1,2 | min. 2 mm |
| Chamfer dimension | r 3,4 | min. 1.1 mm |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 5.0 kg | |
| eClass code | 23-05-09-01 | |
| UNSPSC code | 31171505 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 270.0 kN | |
| Basic static load rating | 550.0 kN | |
| Reference speed | 800.0 r/min | |
| Limiting speed | 1000.0 r/min |
Properties19 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Axial displacement capability | In one direction | |
| Number of rows | 1 | |
| Locating feature, bearing outer ring | Without | |
| Bore type | Cylindrical | |
| Cage | Without | |
| Design | Non-separable | |
| Number of flanges, outer ring | 1 | |
| Number of flanges, inner ring | 2 | |
| Loose flange | None | |
| Radial internal clearance | CN | |
| Tolerance class | Normal | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Candidate for remanufacturing | Yes | |
| Indicative carbon footprint for new product | 18.5 kg CO 2 e | |
| Indicative carbon footprint for remanufactured product | 6.2 kg CO 2 e |