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 | Needle roller bearings | |
| Outside diameter | D | 55 mm |
| Width | B | 20 mm |
| Basic dynamic load rating | C | 26.4 kN |
| Basic static load rating | C0 | 51 kN |
| Fatigue load limit | Pu | 6.3 kN |
| Reference speed | nref | 10000 r/min |
| Limiting speed | nG | 11000 r/min |
| Mass | ≈m | 0.141 kg |
| Sealing | Without | |
| Cage | Sheet steel | |
| Bearing material | Bearing steel | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter of needle roller complement | 40.0 mm | |
| Outside diameter | 55.0 mm | |
| Width | 20.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Needle roller bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/alignment-needle-roller-bearings | |
| Structure group ID | BN1_004 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Abutment dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Smallest permissible abutment diameter housing | D a | min. 49.5 mm |
| Diameter of housing abutment | D a | max. 50.5 mm |
| Fillet radius | r a | max. 0.8 mm |
Engineering — Calculation data5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 26.4 kN |
| Basic static load rating | C 0 | 51 kN |
| Fatigue load limit | P u | 6.3 kN |
| Reference speed | 10000 r/min | |
| Limiting speed | 11000 r/min |
Engineering — Dimensions5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Diameter under rollers | F w | 40 mm |
| Outside diameter | D | 55 mm |
| Width | C | 20 mm |
| Shoulder diameter sleeve | D 1 | 50.5 mm |
| Chamfer dimension sheet steel sleeve | r | min. 0.8 mm |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 0.141 kg | |
| eClass code | 23-05-09-03 | |
| UNSPSC code | 31171512 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 26.4 kN | |
| Basic static load rating | 51.0 kN | |
| Reference speed | 10000.0 r/min | |
| Limiting speed | 11000.0 r/min |
Properties13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Bearing without inner ring | |
| Number of rows | 1 | |
| Outer ring type | Drawn cup with open ends | |
| Aligning feature | With | |
| Cage | Sheet steel | |
| Number of flanges, outer ring | 2 | |
| Tolerance class | Normal | |
| Material, bearing | Bearing steel | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Indicative carbon footprint for new product | 0.52 kg CO 2 e |