High Quality Graphite copper sleeve JDB 4*6*12 Crane bushing

High Quality Graphite copper sleeve JDB 4*6*12 Crane bushing

With a wall thickness that suits standard reamed housings, the JDB4*6*12 graphite copper sleeve is a direct replacement part for OEM pivot bushings. The graphite plugs sit slightly below the sliding surface, protecting them during assembly while still feeding lubricant once the shaft starts to move.

Specifications of JDB4*6*12 graphite copper sleeve

Why the JDB4*6*12 bush fits Crane joints

• Dry-running capability, no oil film collapse in oscillating joints
• Good embedding behaviour traps abrasive dust away from the shaft
• Lower friction torque than plain bronze bushes at start-up
• Dimensionally stable after long service at elevated temperature
• OEM-compatible dimensions for direct replacement
• Available in matched sets for complete pin and bush overhauls

Ordering information

We supply the JDB4*6*12 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.