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 | Cylindrical roller bearings | |
| Bore diameter | d | 180 mm |
| Outside diameter | D | 280 mm |
| Width | B | 136 mm |
| Basic dynamic load rating | C | 1170 kN |
| Basic static load rating | C0 | 2120 kN |
| Fatigue load limit | Pu | 228 kN |
| Limiting speed | nG | 450 r/min |
| Mass | ≈m | 30.5 kg |
| Internal clearance | CN | |
| Sealing | Seal on both sides | |
| Cage | Without | |
| Lubricant | Grease |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 180.0 mm | |
| Outside diameter | 280.0 mm | |
| Width | 136.0 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 dimensions7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Abutment diameter shaft | d a | min. 187 mm |
| Abutment diameter shaft | d as | 214 mm |
| Abutment width applying for SW snap rings (sealed brg.) | C a1 | 110 mm |
| Tolerance for abutment C a (SW snap rings) | – 0.2 mm | |
| Abutment width applying for DIN 471 snap rings (sealed brg.) | C a2 | 108 mm |
| Tolerance for abutment C a (DIN 471 snap rings) | – 0.2 mm | |
| Fillet radius | r a | max. 2 mm |
Engineering — Associated products2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Snap ring Seeger | SW 280 | |
| Snap ring in accordance with DIN 471 | 280x5 |
Engineering — Calculation data5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 1170 kN |
| Basic static load rating | C 0 | 2120 kN |
| Fatigue load limit | P u | 228 kN |
| Limiting speed | 450 r/min | |
| Minimum load factor | k r | 0.4 |
Engineering — Dimensions15 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 180 mm |
| Outside diameter | D | 280 mm |
| Width | B | 136 mm |
| Outer ring width (sealed bearing) | C | 135 mm |
| Shoulder diameter inner ring | d 1 | ≈ 220 mm |
| Snap ring groove diameter at outer ring | D 3 | 274 mm |
| Raceway diameter outer ring | E | 259 mm |
| Distance between two snap ring grooves of the outer ring outside surface | C 1 | 118.2 mm |
| Tolerance for distance C 1 | + 0.2 mm | |
| Distance outer ring side face - snap ring groove (sealed bearing) | C 2 | 8.4 mm |
| Width snap ring groove outer ring | b | 5.2 mm |
| Width annular lubrication groove outer ring | b 1 | 8.88 mm |
| Diameter lubrication hole (outer ring) | K | 4 mm |
| Chamfer dimension (sealed bearing) | r | min. 2 mm |
| Chamfer dimension | r 3,4 | min. 0.6 mm |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 30.5 kg | |
| eClass code | 23-05-09-01 | |
| UNSPSC code | 31171505 |
Performance3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 1170.0 kN | |
| Basic static load rating | 2120.0 kN | |
| Limiting speed | 450.0 r/min |
Properties19 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Axial displacement capability | None | |
| Number of rows | 2 | |
| Locating feature, bearing outer ring | Snap ring groove | |
| Bore type | Cylindrical | |
| Cage | Without | |
| 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 | Seal on both sides | |
| Sealing type | Contact | |
| Lubricant | Grease | |
| Relubrication feature | With | |
| Candidate for remanufacturing | Yes | |
| Indicative carbon footprint for new product | 113.0 kg CO 2 e | |
| Indicative carbon footprint for remanufactured product | 37.5 kg CO 2 e |