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 | 31 mm |
| Width | B | 17 mm |
| Basic dynamic load rating | C | 18.7 kN |
| Basic static load rating | C0 | 28.5 kN |
| Fatigue load limit | Pu | 3.45 kN |
| Reference speed | nref | 16000 r/min |
| Limiting speed | nG | 18000 r/min |
| Mass | ≈m | 0.019 kg |
| Sealing | Without | |
| Cage | Sheet steel | |
| Bearing material | Bearing steel | |
| Lubricant | None |
Dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter of needle roller complement | 25.0 mm | |
| Outside diameter | 31.0 mm | |
| Outside diameter of needle roller complement | 31.0 mm | |
| Width | 17.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Needle roller bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/needle-roller-and-cage-assemblies | |
| Structure group ID | BN1_001 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Calculation data5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 18.7 kN |
| Basic static load rating | C 0 | 28.5 kN |
| Fatigue load limit | P u | 3.45 kN |
| Reference speed | 16000 r/min | |
| Limiting speed | 18000 r/min |
Engineering — Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Diameter under rollers | F w | 25 mm |
| Outside diameter roller complement | E w | 31 mm |
| Width needle roller and cage assembly | U | 17 mm |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 0.019 kg | |
| eClass code | 23-05-09-03 | |
| UNSPSC code | 31171512 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 18.7 kN | |
| Basic static load rating | 28.5 kN | |
| Reference speed | 16000.0 r/min | |
| Limiting speed | 18000.0 r/min |
Properties12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Needle roller and cage assembly | |
| Number of rows | 1 | |
| Outer ring type | Not applicable | |
| Aligning feature | Without | |
| Cage | Sheet steel | |
| Tolerance class | Normal | |
| Material, bearing | Bearing steel | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Indicative carbon footprint for new product | 0.07 kg CO 2 e |
