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 | CARB toroidal roller bearings | |
| Bore diameter | d | 320 mm |
| Outside diameter | D | 480 mm |
| Width | B | 121 mm |
| Basic dynamic load rating | C | 2280 kN |
| Basic static load rating | C0 | 4000 kN |
| Fatigue load limit | Pu | 305 kN |
| Reference speed | nref | 1000 r/min |
| Limiting speed | nG | 1400 r/min |
| Mass | ≈m | 77.8 kg |
| Internal clearance | CN | |
| Sealing | Without | |
| Cage | Machined brass | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 320.0 mm | |
| Outside diameter | 480.0 mm | |
| Width | 121.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | CARB toroidal roller bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/carb-toroidal-roller-bearings | |
| Structure group ID | BSC_001 | |
| Available from SKF | Yes | |
| Remanufacturable | Yes |
Engineering — Abutment dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Diameter of shaft abutment | d a | min. 335 mm |
| Diameter of shaft abutment | d a | max. 398 mm |
| Diameter of housing abutment | D a | min. 426 mm |
| Abutment diameter housing | D a | max. 465 mm |
| Minimum width of space required in housing | C a | min. 1.8 mm |
| Radius of fillet | r a | max. 3 mm |
Engineering — Calculation data8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| SKF performance class | SKF Explorer | |
| Basic dynamic load rating | C | 2280 kN |
| Basic static load rating | C 0 | 4000 kN |
| Fatigue load limit | P u | 305 kN |
| Reference speed | 1000 r/min | |
| Limiting speed | 1400 r/min | |
| Misalignment factor | k 1 | 0.12 |
| Internal clearance factor | k 2 | 0.1 |
Engineering — Dimensions7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 320 mm |
| Outside diameter | D | 480 mm |
| Width | B | 121 mm |
| Shoulder diameter of inner ring | d 2 | ≈ 375 mm |
| Shoulder or recess diameter of outer ring | D 1 | ≈ 441 mm |
| Permissible axial displacement | s 1 | max. 23.3 mm |
| Chamfer dimension | r 1,2 | min. 4 mm |
Engineering — Engineering specifications1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Bore type | Cylindrical |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 77.8 kg | |
| eClass code | 23-05-09-13 | |
| UNSPSC code | 31171505 |
Performance5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 2280.0 kN | |
| Basic static load rating | 4000.0 kN | |
| Reference speed | 1000.0 r/min | |
| Limiting speed | 1400.0 r/min | |
| SKF performance class | SKF Explorer |
Properties12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Number of rows | 1 | |
| Locating feature, bearing outer ring | Without | |
| Bore type | Cylindrical | |
| Cage | Machined brass | |
| Radial internal clearance | CN | |
| Tolerance class | Normal | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Candidate for remanufacturing | Yes | |
| Indicative carbon footprint for new product | 288.0 kg CO 2 e | |
| Indicative carbon footprint for remanufactured product | 95.7 kg CO 2 e |
