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 | 30 mm |
| Outside diameter | D | 55 mm |
| Width | B | 19 mm |
| Basic dynamic load rating | C | 39.6 kN |
| Basic static load rating | C0 | 44 kN |
| Fatigue load limit | Pu | 5 kN |
| Reference speed | nref | 6000 r/min |
| Limiting speed | nG | 7500 r/min |
| Mass | ≈m | 0.188 kg |
| Internal clearance | CN | |
| Sealing | Without | |
| Cage | Without | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 30.0 mm | |
| Outside diameter | 55.0 mm | |
| Width | 19.0 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-full-complement-cylindrical-roller-bearings | |
| Structure group ID | BC1_004 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Abutment dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Abutment diameter shaft | d a | min. 35 mm |
| Abutment diameter shaft | d as | 37.8 mm |
| Abutment diameter housing | D a | max. 50 mm |
| Abutment diameter housing | D b | max. 52 mm |
| Fillet radius | r a | max. 1 mm |
| Fillet radius | r b | max. 0.3 mm |
Engineering — Calculation data8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 39.6 kN |
| Basic static load rating | C 0 | 44 kN |
| Fatigue load limit | P u | 5 kN |
| Reference speed | 6000 r/min | |
| Limiting speed | 7500 r/min | |
| Calculation factor | k r | 0.3 |
| Limiting value | e | 0.3 |
| Calculation factor | Y | 0.4 |
Engineering — Dimensions9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 30 mm |
| Outside diameter | D | 55 mm |
| Width | B | 19 mm |
| Shoulder diameter inner ring | d 1 | ≈ 40 mm |
| Shoulder diameter outer ring | D 1 | ≈ 45 mm |
| Raceway diameter outer ring | E | 49.6 mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other | s | max. 2 mm |
| Chamfer dimension | r 1,2 | min. 1 mm |
| Chamfer dimension | r 3,4 | min. 0.3 mm |
Logistics2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 0.188 kg | |
| UNSPSC code | 31171505 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 39.6 kN | |
| Basic static load rating | 44.0 kN | |
| Reference speed | 6000.0 r/min | |
| Limiting speed | 7500.0 r/min |
Properties17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Axial displacement capability | In one direction | |
| Number of rows | 1 | |
| Locating feature, bearing outer ring | Without | |
| Bore type | Cylindrical | |
| Cage | Without | |
| Design | Non-separable | |
| 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 | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Indicative carbon footprint for new product | 0.7 kg CO 2 e |