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{"title":"Sintered bronze bi metal slide bushing \/ Du Bearing with sint A50, A51, CuSn10","imgUrl":"https:\/\/img.chinax.com\/nimg\/fe\/81\/a0fee8ce0d4facc9edf6e5a2cd79-200x200-1\/sintered_bronze_bi_metal_slide_bushing_2f_du_bearing_with_sint_a50_2c_a51_2c_cusn10.jpg","attrs":{"Product Name":"Du bearing","Bush layer":"PTFE, PTFE, POM plastic, Tin, Zinc","Application":"Heavy vehicle","Bush type":"DU,PAP,DX,FB"}}
{"title":"Oil impregnated bronze bushing SAE841 sintered bronze bushing with Density 6.0-6","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/4b\/cefce8d86b9eb674965dc5b81488-200x200-1\/oil_impregnated_bronze_bushing_sae841_sintered_bronze_bushing_with_density_6_0_6_8_g_2fcm3.jpg","attrs":{"Product Name":"Bushing","Bush layer":"PTFE, PTFE, POM plastic, Tin, Zinc","Application":"Industrial equipment","Material":"MPIF:CT-1000-K26"}}
{"title":"Sliding speed 6m\/s oil impregnated sint A50 spray steel backing du bushing","imgUrl":"https:\/\/img.chinax.com\/nimg\/d7\/03\/634fa189320536177fb1ea7a30e3-200x200-1\/sliding_speed_6m_2fs_oil_impregnated_sint_a50_spray_steel_backing_du_bushing.jpg","attrs":{"Product Name":"Bushing","Application":"hydraulic gear pump","Main dimensions":"1412,1415,1420,1425","Bushing layer":"PTFE"}}
{"title":"Load capacity static 10 N\/mm\u00b2 Du Bearing with wear resist and long life","imgUrl":"https:\/\/img.chinax.com\/nimg\/75\/74\/12b5ed5e434186d57bbc81c72e14-200x200-1\/load_capacity_static_10_n_2fmm_c2_b2_du_bearing_with_wear_resist_and_long_life.jpg","attrs":{"Product Name":"Bushing","Bushing layer":"PTFE","Density":"6.0-6.8g\/cm3","Sliding speed":"6 m\/s"}}
{"title":"Self - lubricating Dry bearing sleeve bush with PTFE layer for Hydraulic Gear","imgUrl":"https:\/\/img.chinax.com\/nimg\/21\/db\/a72e7aa0dd403fb963b6963b7a01-200x200-1\/self_lubricating_dry_bearing_sleeve_bush_with_ptfe_layer_for_hydraulic_gear_pump.jpg","attrs":{"Brand Name":"XIAYI","Model Number":"Sliding bush","Certification":"ISO9001:2008","Place of Origin":"China"}}
The XIAYI DU bushing is a bronze-steel composite bearing developed for shock absorber rod guides, hydraulic gear pumps, and industrial equipment that demands smooth, quiet, and maintenance-free guidance. PTFE, POM, and graphite are embedded in the running layer, so the bushing keeps sliding smoothly without external oil or grease — making it a dependable choice for oilless bearings, oil-free bushings, and self-lubricating assemblies.
"Grease-based guides lose damping smoothness as the grease dries out or migrates away from the rod."
Embedded PTFE, POM, and graphite release lubricant directly at the sliding interface, so the guide rod keeps moving smoothly without scheduled re-greasing or oil top-ups.
"Wear in the guide area creates rod play, knocking sounds, and reduced damping control."
The bronze-steel body with a self-lubricating running surface holds tight clearance over a long service life, preserving damping control and reducing noise in the suspension assembly.
"Heat build-up inside a shock absorber breaks down conventional lubricants and hardens seals."
The DU bushing operates reliably across -20oC to +120oC. PTFE and graphite remain thermally stable in this range, keeping friction consistent even under sustained damping loads.
"OEM programs need guide bushings that match specific rod diameters and stroke behaviour."
XIAYI offers fully customized inner and outer diameters, lengths, and shapes. Cylinder and thrust pad configurations can be produced to your drawing for exact fit and performance.
Customization Service
Send your technical drawing or a reference sample with target dimensions.
Our engineers review material selection, tolerances, and fit with your shock absorber assembly.
Prototype samples are produced and validated before volume manufacturing.
After approval, mass production runs with consistent batch quality under ISO9001:2008.
Applications
Motorcycle and scooter shock absorber rod guides
Hydraulic gear pumps
Industrial equipment pivot and sliding points
Oil-free and oilless bearing assemblies
Vibration-sensitive machinery and damping systems
Packaging & Global Shipping
Every DU bushing order is packed in strong, moisture-resistant boxes to protect parts during transit, and each shipment includes tracking information from our door to yours. XIAYI exports worldwide by sea and air, with packing options available for sample orders, batch production, and OEM scheduled deliveries.
Frequently Asked Questions
Q: Can this DU bushing be used in motorcycle shock absorber guides?
Yes. It is specifically produced for shock absorber rod guides, with self-lubricating PTFE, POM, and graphite layers that keep the rod sliding smoothly and quietly.
Q: Does the bushing require oil or grease?
No. The embedded solid lubricants provide reliable, oil-free operation, which is why the bushing is also widely used as an oilless bearing and oil-free bushing.
Q: What sizes and shapes are available?
Standard configurations include cylinder and thrust pad shapes. Custom inner diameter, outer diameter, and length can be produced according to your drawing.
Q: What temperature range can it withstand in suspension service?
The DU bushing operates within -20oC to +120oC, covering normal road and track suspension temperature conditions.
Q: Can I get samples before mass production?
Yes. Sample orders are welcome for fit testing and performance validation. Please share your drawings or sample part for evaluation.
Q: What is the delivery time for OEM orders?
Standard production takes approximately 2 to 3 weeks after drawing approval and order confirmation. Delivery schedules for scheduled OEM programs can be arranged with our sales team.
For drawings, sample requests, or application guidance, contact the XIAYI team with your shock absorber specifications.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
1500000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Founded in 2006 and headquartered in the strategic port city of Ningbo, China, XIAYI is a premier high-tech manufacturer specializing in the research, development, and production of precision shock absorber components and automated assembly equipment. With nearly two decades of indust... Founded in 2006 and headquartered in the strategic port city of Ningbo, China, XIAYI is a premier high-tech manufacturer specializing in the research, development, and production of precision shock absorber components and automated assembly equipment. With nearly two decades of indust...
