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 | 50 mm |
| Outside diameter | D | 90 mm |
| Width | B | 20 mm |
| Basic dynamic load rating | C | 73.5 kN |
| Basic static load rating | C0 | 69.5 kN |
| Fatigue load limit | Pu | 8.8 kN |
| Reference speed | nref | 8500 r/min |
| Limiting speed | nG | 9000 r/min |
| Mass | ≈m | 0.551 kg |
| Internal clearance | C3H | |
| Sealing | Without | |
| Cage | Machined brass | |
| Bearing material | Bearing steel | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 50.0 mm | |
| Outside diameter | 90.0 mm | |
| Width | 20.0 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. 57 mm |
| Abutment diameter shaft | d a | max. 57 mm |
| Abutment diameter shaft | d b | min. 62 mm |
| Abutment diameter shaft | D a | min. 83 mm |
| Abutment diameter housing | D a | max. 83 mm |
| Fillet radius | r a | max. 1 mm |
| Fillet radius | r b | max. 1 mm |
Engineering — Calculation data6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 73.5 kN |
| Basic static load rating | C 0 | 69.5 kN |
| Fatigue load limit | P u | 8.8 kN |
| Reference speed | 8500 r/min | |
| Limiting speed | 9000 r/min | |
| Calculation factor | k r | 0.15 |
Engineering — Dimensions8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 50 mm |
| Outside diameter | D | 90 mm |
| Width | B | 20 mm |
| Shoulder diameter outer ring | D 1 | ≈ 78 mm |
| Raceway diameter inner ring | F | 59.5 mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other | s | max. 1.5 mm |
| Chamfer dimension | r 1,2 | min. 1.1 mm |
| Chamfer dimension | r 3,4 | min. 1.1 mm |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 0.551 kg | |
| eClass code | 23-05-09-01 | |
| UNSPSC code | 31171537 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 73.5 kN | |
| Basic static load rating | 69.5 kN | |
| Reference speed | 8500.0 r/min | |
| Limiting speed | 9000.0 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 | C3H | |
| Tolerance class | Normal | |
| Material, bearing | Bearing steel | |
| Coating | Insulation coating | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Indicative carbon footprint for new product | 2.0 kg CO 2 e |