Bearing Design – Shapes and Geometries
Flat Head Bolt Type Oilless Bearing
| Bolt Oilless Bearing16-15(16*22*15/50*3） | Bolt Oilless Bearing20-20(20*28*20/50*5) |
| Bolt Oilless Bearing16-20(16*22*20/50*3) | Bolt Oilless Bearing20-25(20*28*25/50*5) |
| Bolt Oilless Bearing16*25(16*22*25/50*3) | Bolt Oilless Bearing20-30(20*28*30/50*5) |
| Bolt Oilless Bearing16-30(16*22*30/50*3) | Bolt Oilless Bearing20-35(20*28*35/50*5) |
| Bolt Oilless Bearing16-35(16*22*35/50*3) | Bolt Oilless Bearing20-40(20*28*40/50*5) |
| Bolt Oilless Bearing18-15(18*24*15/50*3) | Bolt Oilless Bearing25-15(25*33*15/55*5) |
| Bolt Oilless Bearing18-20(18*24*20/50*3) | Bolt Oilless Bearing25-20(25*33*20/55*5) |
| Bolt Oilless Bearing18-25(18*24*25/50*3) | Bolt Oilless Bearing25-25(25*33*20/55*5) |
| Bolt Oilless Bearing18-30(18*24*30/50*3) | Bolt Oilless Bearing25-30(25*33*30/55*5) |
| Bolt Oilless Bearing18-35(18*24*35/50*3) | Bolt Oilless Bearing25-35(25*33*35/55*5) |
| Bolt Oilless Baring20-15(20*28*15/50*5) | Bolt Oilless Bearing25-40(25*33*40/55*5) |
Bolt Oilless Bushings are widely used in electronic equipment, food equipment, packaging machinery, medical machinery, printing machinery instruments, robots, industrial machinery, CNC machine tools, automobiles, and digital THREE-DIMENSIONAL coordinate measuring equipment or special machinery industry.
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As one of the china supplier and manufacturers of bronze oilless bearings, sliding bearings technology components & self-lubricating bearings, we can be found on almost every continent – with production facilities, sales offices, and technology centers –because our customers appreciate short decision-making channels, prompt deliveries, and local service. A complete portfolio of grinding, cutting, blending, finishing and polishing solutions for a wide array of markets and applications.
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The benefits of oilless bronze bearings
advantages of Oilless bearings & wear plates
Higher load bearing capacity and reduce cost
Higher resistance to vibration and increased lifetime
Easy installation
Lower souring costs
Increased shaft tolerances possible
Choose your Application
Bronze Oilless Bearings for off-highway equipment. No Need for Complex Greasing System.
Finishing Parts Main Base Alloy
| Performance. & Chemical Compositions | CuZn25Al6FeMn3 High Brass | CuZn25Al6FeMn3 Special Brass | CuSn5Pb5Zn5 Tin Bronze | CuAl10Ni aluminium bronze | CuSn12 Tin bronze | Cast Iron HT250 EB00 |
| Cu% | 65 | 65 | 85 | 80 | 88 | |
| Sn% | 5 | 12 | ||||
| Pb% | 5 | |||||
| Zn% | 25 | 25 | 5 | |||
| Ni% | 5 | |||||
| Al% | 6 | 6 | 10 | |||
| Fe% | 5 | |||||
| Mn% | 4 | 4 | ||||
| Dengity g/cm 3 | 8.0 | 8.0 | 8.8 | 8.3 | 8.8 | 7.3 |
| Hardness | >210 | >180 | >70 | >150 | >80 | >160 |
| Tensile Strength | >750 | >550 | >200 | >500 | >360 | >250 |
| Elongation | >12 | >12 | 15 | >10 | >8 | |
| Coeicient of linear expansion | 1.9·10 -5 /℃ | 1.9·10 -5 /℃ | 1.8·10 -5 /℃ | 1.6·10 -5 /℃ | 1.8·10 -5 /℃ | 1.0·10 -5 /℃ |
| Limit Temp. | 300~400 | 300~400 | 400 | 400 | 400 | 400 |
| Max. Load N/mm 2 | 100 | 80 | 60 | 50 | 70 | 10 |
| Max. Speed m/min | 15 | 15 | 10 | 20 | 10 | 15 |
| Max. PV N/mm2·m/min | 200 | 200 | 200 | 200 | 200 | 40 |
| 400N/mm2 | <0.01 | <0.01 | <0.05 | <0.04 | <0.05 | <0.015 |
Friction of coe. Oil 0.03; Dry 0.16
Alloy International Code
Alloy International Code
Custom Size Options, machining bronze bushings and a supplier of solid bronze oilless bushes and plate delivered on time and on budget.
Oilless Bushing Alloy International Code
| Chinese Code GB1776-87 | International counterparts | Applications | |||
| International ISO 1338 | Japan Jis | (USA) ASTM (UNS) | German DIN | ||
| CuZn25AI6FeMn3 | CuZn25AI6FeMn3 | H5102 CAC304 | B30-92 C86300 | DIN1709 G-CuZn25A/2.0598 | High-load, low speed, general use |
| CuZn25AI6FeMn3 | CuZn25AI6FeMn3 | H3102 CAC304 | B30-92 C86300 | DIN1709 G-CuZn25A/2.0598 | Super high load, low-speed, high duty |
| CuAI10Fe3 | CuAI10Fe3 | H5114 CAC703 | B30-92 95800 | DIN1714 GB-CuAI10NI/2.1096 | Medium load, medium-speed, general use |
| CuSn5Pb5Zn5 | QSn5-5-5 | H5111 CAC406 | B30-92 C83600 | DIN1705 G-Cu5n5ZnPb/2.1096 | Medium load, medium-speed |
| DB5675-85 HT250 | Fe250 | ASTM class40 | low-load, low-speed | ||
Solid Lubricant
| Solid Lubricant | Features | Typical application |
| SSL1(PTFE etc + Add) | Excellent resistance against chemical attacks and low friction. Temp limit 400℃ | Suite for general machines and under atmosphere |
| SL2(PTFE etc + Add2) | Lowest in friction and good of water lubrication,Temp.limit 300℃ | Ship, hydraulic turbine, gas turbine etc. |
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Provides services and quality bronze oilless products to provide you with the best possible solutions for your needs at any time.
Focus on reducing or eliminating friction, wear and lubrication bronze oilless parts
Manufacturers of maintenance-free sliding elements