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 | 820 mm |
| Outside diameter | D | 1100 mm |
| Width | B | 745 mm |
| Basic dynamic load rating | C | 21200 kN |
| Basic static load rating | C0 | 57000 kN |
| Fatigue load limit | Pu | 3750 kN |
| Reference speed | nref | 320 r/min |
| Limiting speed | nG | 480 r/min |
| Mass | ≈m | 2000 kg |
| Internal clearance | C4 | |
| Sealing | Without | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 820.0 mm | |
| Outside diameter | 1100.0 mm | |
| Width | 745.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Cylindrical roller bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/four-row-cylindrical-roller-bearings | |
| Structure group ID | BC4_001 | |
| Available from SKF | Yes | |
| Remanufacturable | Yes |
Engineering — Calculation data4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 21200 kN |
| Basic static load rating | C 0 | 57000 kN |
| Fatigue load limit | P u | 3750 kN |
| Calculation factor | k r | 0.62 |
Engineering — Dimensions11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 820 mm |
| Outside diameter | D | 1100 mm |
| Total bearing width over inner ring(s) | B | 745 mm |
| Total bearing width over outer ring(s) | C | 720 mm |
| Bore diameter loose flange ring | D 1 | ≈ 1010 mm |
| Raceway diameter inner ring | F | 892 mm |
| Width of annular groove | b | 44 mm |
| Diameter lubrication hole (outer ring) | K | 20 mm |
| Corner radius/chamfer inner ring | r 1,2 | min. 22 mm |
| Chamfer angle inner ring | α | 20 ° |
| Chamfer dimension on the outer ring | r 3,4 | min. 3 mm |
Engineering — Engineering specifications2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design variant/feature | BC4.19/W33WI | |
| Bore type | Cylindrical |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 2000.0 kg | |
| eClass code | 23-05-09-01 | |
| UNSPSC code | 31171505 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 21200.0 kN | |
| Basic static load rating | 57000.0 kN | |
| Reference speed | 320.0 r/min | |
| Limiting speed | 480.0 r/min |
Properties17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Number of rows | 4 | |
| Locating feature, bearing outer ring | Without | |
| Bore type | Cylindrical | |
| Inner ring extension | On one side | |
| Number of flanges, outer ring | 5 | |
| Number of flanges, inner ring | 0 | |
| Loose flange | Outer ring loose flange | |
| Radial internal clearance | C4 | |
| Tolerance class | Normal | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | With | |
| Candidate for remanufacturing | Yes | |
| Indicative carbon footprint for new product | 7400.0 kg CO 2 e | |
| Indicative carbon footprint for remanufactured product | 2460.0 kg CO 2 e |
