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 | Deep groove ball bearings | |
| Bore diameter | d | 12 mm |
| Outside diameter | D | 21 mm |
| Width | B | 5 mm |
| Basic dynamic load rating | C | 1.51 kN |
| Basic static load rating | C0 | 0.9 kN |
| Fatigue load limit | Pu | 0.039 kN |
| Reference speed | nref | 70000 r/min |
| Limiting speed | nG | 43000 r/min |
| Mass | ≈m | 0.0071 kg |
| Internal clearance | CN | |
| Sealing | Without | |
| Cage | Stamped stainless steel | |
| Bearing material | Stainless steel | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 12.0 mm | |
| Outside diameter | 21.0 mm | |
| Width | 5.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Deep groove ball bearings | |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/deep-groove-ball-bearings | |
| Structure group ID | BB1_001_101 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Abutment dimensions2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Diameter of shaft abutment | d a | min. 13.5 mm |
| Radius of shaft or housing fillet | r a | max. 0.3 mm |
Engineering — Calculation data7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 1.51 kN |
| Basic static load rating | C 0 | 0.9 kN |
| Fatigue load limit | P u | 0.039 kN |
| Reference speed | 70000 r/min | |
| Limiting speed | 43000 r/min | |
| Minimum load factor | k r | 0.02 |
| Calculation factor | f 0 | 13.4 |
Engineering — Dimensions8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 12 mm |
| Outside diameter | D | 21 mm |
| Width | B | 5 mm |
| Recess diameter | d 2 | ≈ 13.8 mm |
| Recess diameter | D 2 | ≈ 19.15 mm |
| Flange diameter | D 3 | 23 mm |
| Flange width | C | 1.1 mm |
| Chamfer dimension | r 1,2 | min. 0.3 mm |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 0.0071 kg | |
| eClass code | 23-05-08-01 | |
| UNSPSC code | 31171504 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 1.51 kN | |
| Basic static load rating | 0.9 kN | |
| Reference speed | 70000.0 r/min | |
| Limiting speed | 43000.0 r/min |
Properties13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Filling slots | Without | |
| Number of rows | 1 | |
| Locating feature, bearing outer ring | Flange | |
| Bore type | Cylindrical | |
| Cage | Stamped stainless steel | |
| Matched arrangement | No | |
| Radial internal clearance | CN | |
| Material, bearing | Stainless steel | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Indicative carbon footprint for new product | 0.03 kg CO 2 e |
