Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications15 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Cylindrical roller bearings | |
| Bore diameter | d | 120 mm |
| Outside diameter | D | 260 mm |
| Width | B | 55 mm |
| Basic dynamic load rating | C | 610 kN |
| Basic static load rating | C0 | 620 kN |
| Fatigue load limit | Pu | 69.5 kN |
| Reference speed | nref | 2800 r/min |
| Limiting speed | nG | 3200 r/min |
| Mass | ≈m | 14.6 kg |
| Internal clearance | C3 | |
| Sealing | Without | |
| Cage | Machined brass | |
| Bearing material | Bearing steel | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 120.0 mm | |
| Outside diameter | 260.0 mm | |
| Width | 55.0 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-cylindrical-roller-bearings | |
| Structure group ID | BC1_502 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Abutment dimensions7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Abutment diameter shaft | d a | min. 134 mm |
| Abutment diameter shaft | d a | max. 150 mm |
| Abutment diameter shaft | d b | min. 157 mm |
| Abutment diameter shaft | D a | min. 225 mm |
| Abutment diameter housing | D a | max. 246 mm |
| Fillet radius | r a | max. 2.5 mm |
| Fillet radius | r b | max. 2.5 mm |
Engineering — Calculation data6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 610 kN |
| Basic static load rating | C 0 | 620 kN |
| Fatigue load limit | P u | 69.5 kN |
| Reference speed | 2800 r/min | |
| Limiting speed | 3200 r/min | |
| Calculation factor | k r | 0.15 |
Engineering — Dimensions8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 120 mm |
| Outside diameter | D | 260 mm |
| Width | B | 55 mm |
| Shoulder diameter outer ring | D 1 | ≈ 219 mm |
| Raceway diameter inner ring | F | 154 mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other | s | max. 3.7 mm |
| Chamfer dimension | r 1,2 | min. 3 mm |
| Chamfer dimension | r 3,4 | min. 3 mm |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 14.6 kg | |
| eClass code | 23-05-09-01 | |
| UNSPSC code | 31171537 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 610.0 kN | |
| Basic static load rating | 620.0 kN | |
| Reference speed | 2800.0 r/min | |
| Limiting speed | 3200.0 r/min |
Properties17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Axial displacement capability | In both directions | |
| Number of rows | 1 | |
| Locating feature, bearing outer ring | Without | |
| Bore type | Cylindrical | |
| Cage | Machined brass | |
| Number of flanges, outer ring | 2 | |
| Number of flanges, inner ring | 0 | |
| Loose flange | None | |
| Radial internal clearance | C3 | |
| Tolerance class | Normal | |
| Material, bearing | Bearing steel | |
| Coating | Insulation coating on outer ring | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Indicative carbon footprint for new product | 54.2 kg CO 2 e |