SKF WBB1-8706-2Z deep-groove ball bearing. Deep-groove ball bearing designed for combined radial and moderate axial load, high running speed and low frictional torque. Manufactured to ISO 492 (Class Normal / P6 / P5) with standard C0 radial internal clearance unless a suffix declares otherwise. Available in open, single-shielded (Z), double-shielded (2Z), single-lip contact-sealed (RSH / RS1), and double-lip contact-sealed (2RSH / 2RS1) execution.
| Type | Deep-groove ball bearing |
| Designation | SKF WBB1-8706-2Z |
| HS code | 8482.10 |
| Bore diameter | 6 mm |
| Outside diameter | 12 mm |
| Width | 4 mm |
| Basic dynamic load rating | 0.403 kN |
| Basic static load rating | 0.146 kN |
| Reference speed | 110000 r/min |
| Limiting speed | 56000 r/min |
| Filling slots | Without |
| Number of rows | 1 |
| Locating feature, bearing outer ring | Without |
| Bore type | Cylindrical |
| Cage | Stamped stainless steel |
| Matched arrangement | No |
| Radial internal clearance | CN |
| Material, bearing | Stainless steel |
| Coating | Without |
| Sealing | Shield on both sides |
| Sealing type | Non-contact |
| Lubricant | Grease |
| Relubrication feature | Without |
| Indicative carbon footprint for new product | 0.006 kg CO2e |
| Product net weight | 0.0016 kg |
| eClass code | 23-05-08-01 |
| UNSPSC code | 31171504 |
| Material | As declared by SKF designation suffix |
| Temperature range | Per SKF product data |
| Primary standard | SKF designation convention |
| MOQ | 1 |
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.