Dimensional accuracy matters more than raw hardness in a pivot bush, and the JDB5*8*8 sleeve is finished on CNC centres to hold bore roundness and length tolerance tightly. Graphite columns are set at an angle that follows the main load direction of Rubber machinery joints.
| Model | JDB5*8*8 |
| Bore Diameter (d) | 5 mm |
| Outer Diameter (D) | 8 mm |
| Sleeve Length (L) | 8 mm |
| Material | Brass alloy + solid graphite |
| Lubrication | Self-lubricating / grease optional |
| Tolerance | H7 bore, ground OD |
| Working Temperature | -40 C to +300 C |
| Application | Rubber machinery |



We supply the JDB5*8*8 bush individually or as a matched pin-and-bush kit. Tell us the application and duty cycle and our engineers will recommend the lubrication pattern and interference fit that suit it best.
FAQ
Q1: What is the MOQ? A1: 10 pcs per model for stock sizes.
Q2: Can the size be customized? A2: Yes, bore, length, flange and oil groove can be produced to your drawing.
Q3: Which payment terms are accepted? A3: T/T, Western Union, Paypal and L/C.
Q4: How fast is delivery? A4: Stock sizes ship within 3-7 days after payment.
Q5: Are samples available? A5: Yes, sample orders are welcome for fitting tests.