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 | 140 mm |
| Outside diameter | D | 250 mm |
| Width | B | 42 mm |
| Basic dynamic load rating | C | 450 kN |
| Basic static load rating | C0 | 510 kN |
| Fatigue load limit | Pu | 57 kN |
| Reference speed | nref | 2800 r/min |
| Limiting speed | nG | 3200 r/min |
| Mass | ≈m | 8.45 kg |
| Internal clearance | CN | |
| Sealing | Without | |
| Cage | Sheet metal | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 140.0 mm | |
| Outside diameter | 250.0 mm | |
| Width | 42.0 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_001_101 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Abutment dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Diameter of spacer sleeve | d a | min. 154 mm |
| Diameter of shaft abutment | d b | min. 182 mm |
| Diameter of housing abutment | D a | max. 235 mm |
| Radius of fillet | r a | max. 2.5 mm |
Engineering — Calculation data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| SKF performance class | SKF Explorer | |
| Basic dynamic load rating | C | 450 kN |
| Basic static load rating | C 0 | 510 kN |
| Fatigue load limit | P u | 57 kN |
| Reference speed | 2800 r/min | |
| Limiting speed | 3200 r/min | |
| Minimum load factor | k r | 0.15 |
| Limiting value | e | 0.2 |
| Calculation factor | Y | 0.6 |
Engineering — Dimensions8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 140 mm |
| Outside diameter | D | 250 mm |
| Width | B | 42 mm |
| Shoulder diameter of inner ring | d 1 | ≈ 179 mm |
| Shoulder diameter of outer ring | D 1 | ≈ 215.78 mm |
| Raceway diameter of inner ring | F | 169 mm |
| Chamfer dimension | r 1,2 | min. 3 mm |
| Chamfer dimension of loose flange ring | r 3,4 | min. 3 mm |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 8.45 kg | |
| eClass code | 23-05-09-01 | |
| UNSPSC code | 31171505 |
Performance5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 450.0 kN | |
| Basic static load rating | 510.0 kN | |
| Reference speed | 2800.0 r/min | |
| Limiting speed | 3200.0 r/min | |
| SKF performance class | SKF Explorer |
Properties16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Axial displacement capability | None | |
| Number of rows | 1 | |
| Locating feature, bearing outer ring | Without | |
| Bore type | Cylindrical | |
| Cage | Sheet metal | |
| Number of flanges, outer ring | 2 | |
| Number of flanges, inner ring | 1 | |
| Loose flange | Inner ring loose flange | |
| Radial internal clearance | CN | |
| Tolerance class | Normal | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Indicative carbon footprint for new product | 31.3 kg CO 2 e |
