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 | 240 mm |
| Outside diameter | D | 320 mm |
| Width | B | 80 mm |
| Basic dynamic load rating | C | 781 kN |
| Basic static load rating | C0 | 1760 kN |
| Fatigue load limit | Pu | 173 kN |
| Reference speed | nref | 850 r/min |
| Limiting speed | nG | 1100 r/min |
| Mass | ≈m | 18.5 kg |
| Internal clearance | CN | |
| Sealing | Without | |
| Cage | Without | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 240.0 mm | |
| Outside diameter | 320.0 mm | |
| Width | 80.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Cylindrical roller bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/double-row-full-complement-cylindrical-roller-bearings | |
| Structure group ID | BC2_002 | |
| Available from SKF | Yes | |
| Remanufacturable | Yes |
Engineering — Abutment dimensions5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Abutment diameter shaft | d a | min. 251 mm |
| Abutment diameter shaft | d as | 261 mm |
| Abutment diameter housing | D a | max. 308 mm |
| Fillet radius | r a | max. 2 mm |
| Fillet radius | r b | max. 2 mm |
Engineering — Calculation data6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 781 kN |
| Basic static load rating | C 0 | 1760 kN |
| Fatigue load limit | P u | 173 kN |
| Reference speed | 850 r/min | |
| Limiting speed | 1100 r/min | |
| Minimum load factor | k r | 0.25 |
Engineering — Dimensions10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 240 mm |
| Outside diameter | D | 320 mm |
| Width | B | 80 mm |
| Shoulder diameter inner ring | d 1 | ≈ 271 mm |
| Shoulder diameter outer ring | D 1 | ≈ 291 mm |
| Width annular lubrication groove outer ring | b 1 | 8 mm |
| Diameter lubrication hole (outer ring) | K | 4 mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other | s | max. 5 mm |
| Chamfer dimension (open bearings) | r 1,2 | min. 2.1 mm |
| Chamfer dimension | r 3,4 | min. 2.1 mm |
Logistics2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 18.5 kg | |
| UNSPSC code | 31171505 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 781.0 kN | |
| Basic static load rating | 1760.0 kN | |
| Reference speed | 850.0 r/min | |
| Limiting speed | 1100.0 r/min |
Properties18 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Axial displacement capability | In one direction | |
| Number of rows | 2 | |
| Locating feature, bearing outer ring | Without | |
| Bore type | Cylindrical | |
| Cage | Without | |
| Number of flanges, outer ring | 1 | |
| Number of flanges, inner ring | 3 | |
| Loose flange | None | |
| Radial internal clearance | CN | |
| Tolerance class | Normal | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | With | |
| Candidate for remanufacturing | Yes | |
| Indicative carbon footprint for new product | 68.5 kg CO 2 e | |
| Indicative carbon footprint for remanufactured product | 22.8 kg CO 2 e |