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CuSn8 & CuSn6 Metric Flange Bronze Bushings: The Self-Lubricating Powerhouse for Industrial Excellence
In the relentless world of heavy machinery and precision engineering, every component must deliver peak performance. The CuSn8 and CuSn6 Metric Flange Bronze Bushings rise to this challenge, offering unmatched durability, seamless operation, and maintenance efficiency. Crafted from high-grade copper-tin alloys, these self-lubricating bushings are engineered to thrive in high-load, high-speed environments—making them indispensable for industries ranging from agriculture to hydraulic systems. Discover how their innovative design and material superiority redefine reliability.
The secret to these bushings’ success lies in their alloy composition:
CuSn8 Bronze: With 8% tin content, this alloy excels in wear resistance, corrosion protection, and fatigue strength, ideal for harsh, abrasive environments.
CuSn6 Bronze: Slightly lower tin (6%) balances mechanical strength and cost-effectiveness, perfect for applications demanding robust performance under moderate stress.
Both alloys eliminate the need for external lubrication, thanks to embedded diamond-shaped oil pockets (ISO 3547/DIN 1494 compliant) that retain grease, ensuring smooth operation even in hard-to-maintain systems.
The FB-090 series exemplifies innovation with its metric flange configuration, delivering:
Effortless Installation: Flanged design ensures secure mounting, reducing alignment errors.
Space Efficiency: Compact structure saves weight and space compared to traditional cast bushings.
Axial & Radial Stability: Handles multidirectional forces in oscillating, rotating, or sliding motions.
The bushings’ diamond-shaped oil reservoirs and perforations act as built-in lubrication systems:
Extended Service Intervals: Stores oil for gradual release, ideal for water-lubricated or inaccessible machinery.
Contamination Resistance: Reduced friction minimizes wear from dust, grit, or moisture.
Versatile Compatibility: Functions flawlessly with grease, oil, or water-based lubricants.
From agro-forestry to marine engineering, these bushings excel in critical roles:
Hydraulic Systems: Cylinder guide sleeves, piston rods, and hydraulic haulers.
Agriculture & Forestry: Harvesters, tractors, and log splitters exposed to mud and vibration.
Automotive & Machinery: Gearboxes, fitness equipment, and automated rotary parts.
Marine & Offshore: Corrosion-resistant performance in saltwater environments.
Beyond standard DIN/metric sizes (e.g., bundbuchse), manufacturers offer tailored options:
Enhanced Lubrication: Spiral grooves, thru-holes, or graphite-infused variants for extreme temperatures.
Sealed Units: Integrated shields for dirty or wet environments (e.g., textile or port machinery).
Material Upgrades: Special bronze blends for niche applications like tobacco or rubber processing.
Sourcing from trusted factories like bronzegleitlager.com guarantees:
Cost Efficiency: Competitive pricing without compromising ISO-certified quality.
Rapid Delivery: Global shipping for standard and custom sizes (straight or flanged).
Technical Expertise: Decades of experience in producing Glycodur®-equivalent bearings like the FB-090.
The CuSn8 and CuSn6 Metric Flange Bronze Bushings are more than components—they’re strategic investments in operational longevity. Whether optimizing hydraulic cylinders, agricultural gear, or automated machinery, their self-lubricating design and robust construction ensure minimal downtime and maximum ROI.
Upgrade Your Machinery Today! Explore the FB-090 series and custom solutions at bronzegleitlager.com—where precision meets affordability.
Keywords: CuSn8 Bronze Bushing, CuSn6 Self-Lubricating Bushing, Metric Flange Bushing, FB-090 Bushing, Diamond Oil Pockets, ISO 3547 DIN 1494, Hydraulic Cylinder Bushing, Agro-Forestry Bearings, Bundbuchse, China Bronze Bushing Supplier, Wrapped Bronze Bushings.
Di φD | Do φD | Dp | L 0 -0.040 | ||||||||||
15 | 20 | 25 | 30 | 35 | 40 | 50 | 60 | 70 | 80 | 90 | |||
25 | 28 | 35 | 25150 | 25200 | 25250 | ||||||||
30 | 34 | 45 | 30200 | 30250 | 30300 | ||||||||
35 | 39 | 50 | 35200 | 35250 | 35300 | 35350 | |||||||
40 | 44 | 55 | 40250 | 40300 | 40350 | 40400 | |||||||
45 | 50 | 60 | 45300 | 45350 | 45400 | 45500 | |||||||
50 | 55 | 65 | 50300 | 50350 | 50400 | 50500 | |||||||
55 | 60 | 70 | 55300 | 55350 | 55400 | 55500 | |||||||
60 | 65 | 75 | 60300 | 60350 | 60400 | 60500 | 60600 | ||||||
65 | 70 | 80 | 65300 | 65350 | 65400 | 65500 | 65600 | ||||||
70 | 75 | 85 | 70350 | 70400 | 70500 | 70600 | 70700 | ||||||
75 | 80 | 90 | 75350 | 75400 | 75500 | 75600 | 75700 | ||||||
80 | 85 | 100 | 80350 | 80400 | 80500 | 80600 | 80700 | 80800 | |||||
90 | 95 | 110 | 90500 | 90600 | 90700 | 90800 | 90900 | ||||||
100 | 105 | 120 | 100500 | 100600 | 100700 | 100800 | 100900 | ||||||
110 | 115 | 130 | 110500 | 110600 | 110700 | 110800 | 110900 | ||||||
120 | 125 | 140 | 120500 | 120600 | 120700 | 120800 | 120900 | ||||||
130 | 135 | 155 | 130600 | 130700 | 130800 | 130900 | |||||||
140 | 145 | 165 | 140600 | 140700 | 140800 | 140900 | |||||||
150 | 155 | 180 | 150600 | 150700 | 150800 | 150900 | |||||||
160 | 165 | 190 | 160600 | 160700 | 160800 | 160900 | |||||||
170 | 175 | 200 | 170600 | 170700 | 170800 | 170900 | |||||||
180 | 185 | 215 | 180600 | 180700 | 180800 | 180900 | |||||||
190 | 195 | 225 | 190600 | 190700 | 190800 | 190900 | |||||||
200 | 205 | 235 | 200600 | 200700 | 200800 | 200900 | |||||||
225 | 230 | 260 | 225600 | 225700 | 225800 | 225900 | |||||||
250 | 255 | 290 | 250600 | 250700 | 250800 | 250900 | |||||||
265 | 270 | 305 | 265600 | 265700 | 265800 | 265900 | |||||||
285 | 290 | 325 | 285600 | 285700 | 285800 | 285900 | |||||||
300 | 305 | 340 | 300600 | 300700 | 300800 | 300900 |
Bronze bearing bushings - maintenance-free
Wrapped bearings - Plain bearings Flange bronze bushing bearing self lube bronze bearings
WB802, WB800, WB702, WB700, B90 and B92 are available in two types such as with or without flange.
bronze rolled bearings use a specially formulated high-density copper alloy strip as the base to replace the traditional cast copper sleeve, which can reduce the mechanical volume and cost.
Performance | Data | |
Maximum load | Static load | 120N/mm² |
Dynamic load | 40N/mm² | |
Line speed | 2.5m/s | |
Maximum PV value | 2.8N/mm²・m/s | |
Coefficient of friction | 0.08~0.25 | |
Operating temperature | -100℃~+200℃ | |
Thermal Conductivity | 60W/m・K | |
Thermal expansion coefficient | 15×-6/K |
wrapped cusn8 bronze rolled bearings use a specially formulated high-density copper alloy strip
as the base to replace the traditional cast copper sleeve,
which can reduce the mechanical volume and cost.
Standard diameter Standard Dia. | Bushing outer diameter O.D.Size | Matching seat hole Housing Bore | Bushing ID I.D.Size | Matching shaft diameter Matching Shaft Diameter |
---|---|---|---|---|
10~18 | +0.065 +0.030 | +0.018 0 | +0.046 0 | - 0.016 - 0.043 |
18~30 | +0.075 +0.035 | +0.021 0 | +0.052 0 | - 0.020 - 0.020 |
30~50 | +0.085 +0.045 | +0.025 0 | +0.062 0 | - 0.025 - 0.064 |
50~80 | +0.100 +0.055 | +0.030 0 | +0.074 0 | - 0.030 - 0.076 |
80~120 | +0.120 +0.070 | +0.035 0 | +0.087 0 | - 0.036 - 0.090 |
120~180 | +0.170 +0.100 | +0.400 0 | +0.100 0 | - 0.043 - 0.106 |
180~250 | +0.210 +0.130 | +0.046 0 | +0.115 0 | - 0.050 - 0.122 |
250~315 | +0.260 +0.170 | +0.052 0 | +0.130 0 | - 0.056 - 0.137 |