Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Bushings, thrust washers and strips | |
| Bore diameter | d | 20 mm |
| Outside diameter | D | 28 mm |
| Width | B | 30 mm |
| Mass | ≈m | 0.079 kg |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 20.0 mm | |
| Outside diameter | 28.0 mm | |
| Width | 30.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Bushings, thrust washers and strips | |
| Official taxonomy path | /products/plain-bearings/bushings-thrust-washers-strips/bushings | |
| Structure group ID | BPR_A_F_B | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Calculation data5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Specific dynamic load factor | K | 25 N/mm² |
| Specific static load factor | K 0 | 45 N/mm² |
| Permissible sliding velocity | v | max. 0.5 m/s |
| Coefficient of friction | µ | min. 0.08 |
| Coefficient of friction | µ | max. 0.15 |
Engineering — Dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 20 mm |
| Outside diameter | D | 28 mm |
| Width | B | 30 mm |
| Distance side face - axial lubrication groove | a | 3 mm |
| Distance bottom axial lubrication groove - opposite bore diameter | h | 21 mm |
| Aperture angle axial lubrication groove | α | 105 ° |
Engineering — Engineering specifications3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Material | Solid bronze | |
| Operating temperature | min. -40 °C | |
| Operating temperature | max. 250 °C |
Engineering — Recommended fits2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Tolerance shaft | e7 | |
| Tolerance housing | H7 |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 0.079 kg | |
| eClass code | 23-05-01-90 | |
| UNSPSC code | 31171605 |
Properties3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design | Straight | |
| Material | Solid bronze | |
| Relubrication feature | With |