This JDB5*9*20 self-lubricating bush was developed for oscillating joints that never complete a full rotation. In such motion the oil film of a plain bronze bush tends to collapse; the graphite inserts here keep replenishing a thin dry film, so wear stays even across the loaded arc.
| Model | JDB5*9*20 |
| Bore Diameter (d) | 5 mm |
| Outer Diameter (D) | 9 mm |
| Sleeve Length (L) | 20 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 |



The JDB5*9*20 sleeve is stocked for immediate shipment and can also be produced to your drawing with modified bore, length, flange or lubrication hole pattern. Send us the shaft and housing dimensions of your Rubber machinery joint and we will confirm the closest standard size.
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.