Self-lubricated Brass Alloy Bushings SPF | ISO-Certified Bearing Sleeves & Fastening Solutions β Chin Sing Precision Co.
Brass alloy with embedded solid lubricant bushing is to open cavities of appropriate size and orderly arrangement on the metal friction surface of the bushing matrix. It was embedded a molded solid lubricant with unique self-lubricating properties in the cavities (the solid lubricant area is generally 25% - 35% of the friction area) and made of self-lubricating bushings. Chin Sing Precision Co. offers a wide range of hydraulic adapter sleeves, lock nuts, and precision bearing solutions for global industries. ISO-certified and built for durability, our products ensure reliable performance across demanding applications.
Self-lubricated Brass Alloy Bushings SPF
SPF
Brass alloy with embedded solid lubricant bushing is to open cavities of appropriate size and orderly arrangement on the metal friction surface of the bushing matrix. It was embedded a molded solid lubricant with unique self-lubricating properties in the cavities (the solid lubricant area is generally 25% - 35% of the friction area) and made of self-lubricating bushings.
It has been used in metallurgy of continuous casting machine, rolling equipment, mining machinery, shipbuilding, gas turbines and other high temperature, high load, low speed heavy load and other occasions.
Material
High Tensile Brass Alloy + Graphite Solid Lubricant Embedded
Features List
- May work without any oil for a long period.
- Extremely high load capacity, good anti-wear and lower friction.
- Particularly appropriate for low speed and high load.
- Suitable for reciprocating, oscillating or intermittent motion where oil film is hard to be formed.
- Good chemical resistant and anti-corrosion characteristics.
- Can be used in wide range of temperature from -40°C - +300°C.
- Low maintenance frequency.
Technical Data
| Materia | CuZn24AL6 |
| Hardness | HB230-270 |
| Coefficient of Friction (µ) | < 0.16 |
| Max. Temp. | 300°C |
| Max. Dynamic Load | 100 N/mm² |
| Max. Speed (Dry) | 0.4 m/s |
| Max. Speed (Lubrication) | 5 m/s |
| PV Limit | 3.8 N/mm² *m/s |
Chemical Compositions
| Chemical Compositions % | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cu | Zn | Al | Fe | Mn | Si | Ni | Sn | Pb |
| 64.24 | 25.10 | 5.17 | 2.67 | 2.82 | < 0.1 | < 0.5 | < 0.2 | < 0.2 |
Drawing
SPF DRAWING
SPF
Self-lubricated Bushings #500SP (SPF).
For rotation, swing and reciprocating motion.
Item No: SPF- XX XX
ID Length
| Shaft Diameter | Dimension (mm) | Length Tolerance | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID | OD | Flange | 10 | 15 | 20 | 25 | 30 | |||||
| Γd | TOL | ΓD | TOL | ΓF | Thickness | TOL | SPF | SPF | SPF | SPF | SPF | |
| 10 | 10 | +0.04 | 14 | +0.034 | 22 | 2 | 0 | -1010 | -1015 | -1020 | γ | γ |
| +0.025 | +0.023 | -0.1 | γ | |||||||||
| 12 | 12 | +0.05 | 18 | +0.034 | 25 | 3 | " | -1210 | -1215 | -1220 | -1225 | -1230 |
| +0.032 | +0.023 | γ | ||||||||||
| 13 | 13 | +0.05 | 19 | +0.041 | 26 | 3 | " | γ | -1315 | -1320 | γ | γ |
| +0.032 | +0.028 | γ | γ | |||||||||
| 14 | 14 | +0.05 | 20 | +0.041 | 27 | 3 | " | γ | -1415 | -1420 | -1425 | γ |
| +0.032 | +0.028 | γ | ||||||||||
| 15 | 15 | +0.05 | 21 | +0.041 | 28 | 3 | " | -1510 | -1515 | -1520 | -1525 | -1530 |
| +0.032 | +0.028 | γ | ||||||||||
| 16 | 16 | +0.05 | 22 | +0.041 | 29 | 3 | " | γ | -1615 | -1620 | -1625 | -1630 |
| +0.032 | +0.028 | γ | ||||||||||
| 20 | 20 | +0.061 | 30 | +0.041 | 40 | 5 | " | γ | -2015 | -2020 | -2025 | -2030 |
| +0.04 | +0.028 | γ | ||||||||||
| 25 | 25 | +0.061 | 35 | +0.05 | 45 | 5 | " | γ | -2515 | -2520 | -2525 | -2530 |
| +0.04 | +0.034 | γ | ||||||||||
| 30 | 30 | +0.061 | 40 | +0.05 | 50 | 5 | " | γ | γ | -3020 | -3025 | -3030 |
| +0.04 | +0.034 | γ | ||||||||||
| 31.5 | 31.5 | +0.075 | 40 | +0.05 | 50 | 5 | " | γ | γ | -3120 | γ | -3130 |
| +0.05 | +0.034 | γ | γ | |||||||||
| 35 | 35 | +0.075 | 45 | +0.05 | 60 | 5 | " | γ | γ | -3520 | -3525 | -3530 |
| +0.05 | +0.034 | γ | ||||||||||
| 40 | 40 | +0.075 | 50 | +0.05 | 65 | 5 | " | γ | γ | -4020 | -4025 | -4030 |
| +0.05 | +0.034 | γ | ||||||||||
| 45 | 45 | +0.075 | 55 | +0.073 | 70 | 5 | " | γ | γ | γ | γ | -4530 |
| +0.05 | +0.041 | γ | γ | γ | ||||||||
| 50 | 50 | +0.075 | 60 | +0.073 | 75 | 5 | " | γ | γ | γ | γ | -5030 |
| +0.05 | +0.041 | γ | γ | γ | ||||||||
| 55 | 55 | +0.09 | 65 | +0.073 | 80 | 5 | " | γ | γ | γ | γ | γ |
| +0.06 | +0.041 | γ | γ | γ | ||||||||
| 60 | 60 | +0.09 | 75 | +0.062 | 90 | 7.5 | " | γ | γ | γ | γ | γ |
| +0.06 | +0.043 | γ | γ | |||||||||
| 63 | 63 | +0.09 | 75 | +0.062 | 85 | 7.5 | " | γ | γ | γ | γ | γ |
| +0.06 | +0.043 | γ | γ | |||||||||
| 70 | 70 | +0.09 | 85 | +0.083 | 105 | 7.5 | " | γ | γ | γ | γ | γ |
| +0.06 | +0.051 | γ | γ | |||||||||
| 75 | 75 | +0.09 | 90 | +0.083 | 110 | 7.5 | " | γ | γ | γ | γ | γ |
| +0.06 | +0.051 | γ | γ | |||||||||
| 80 | 80 | +0.09 | 100 | +0.083 | 120 | 10 | " | γ | γ | γ | γ | γ |
| +0.06 | +0.051 | γ | γ | |||||||||
| 90 | 90 | +0.107 | 110 | +0.076 | 130 | 10 | " | γ | γ | γ | γ | γ |
| +0.072 | +0.054 | γ | γ | |||||||||
| 100 | 100 | +0.107 | 120 | +0.076 | 150 | 10 | " | γ | γ | γ | γ | γ |
| +0.072 | +0.054 | γ | γ | |||||||||
| 120 | 120 | +0.107 | 140 | +0.088 | 170 | 10 | " | γ | γ | γ | γ | γ |
| +0.072 | +0.054 | γ | γ | |||||||||
| 120 | 120 | +0.107 | 140 | +0.088 | 170 | 10 | " | γ | γ | γ | γ | γ |
| +0.072 | +0.063 | γ | γ | |||||||||
| Shaft Diameter | Length Tolerance | ID | OD | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 35 | 40 | 50 | 60 | 67.5 | 80 | 100 | |||
| SPF | SPF | SPF | SPF | SPF | SPF | SPF | |||
| 10 | γ | γ | γ | γ | γ | γ | γ | 10 | 14 |
| γ | |||||||||
| 12 | γ | γ | γ | γ | γ | γ | γ | 12 | 18 |
| γ | |||||||||
| 13 | γ | γ | γ | γ | γ | γ | γ | 13 | 19 |
| γ | |||||||||
| 14 | γ | γ | γ | γ | γ | γ | γ | 14 | 20 |
| γ | |||||||||
| 15 | γ | γ | γ | γ | γ | γ | γ | 15 | 21 |
| γ | |||||||||
| 16 | -1635 | -1640 | γ | γ | γ | γ | γ | 16 | 22 |
| γ | |||||||||
| 20 | γ | -2040 | γ | γ | γ | γ | γ | 20 | 30 |
| γ | |||||||||
| 25 | -2535 | -2540 | -2550 | γ | γ | γ | γ | 25 | 35 |
| γ | |||||||||
| 30 | -3035 | -3040 | -3050 | γ | γ | γ | γ | 30 | 40 |
| γ | |||||||||
| 31.5 | -3135 | -3140 | γ | γ | γ | γ | Β | 31.5 | 40 |
| γ | γ | ||||||||
| 35 | -3535 | -3540 | -3550 | γ | γ | γ | γ | 35 | 45 |
| γ | |||||||||
| 40 | -4035 | -4040 | -4050 | γ | γ | γ | γ | 40 | 50 |
| γ | |||||||||
| 45 | -4535 | -4540 | -4550 | -4560 | γ | γ | γ | 45 | 55 |
| γ | |||||||||
| 50 | -5035 | -5040 | -5050 | -5060 | γ | γ | γ | 50 | 60 |
| γ | |||||||||
| 55 | γ | -5540 | γ | -5560 | γ | γ | γ | 55 | 65 |
| γ | γ | γ | |||||||
| 60 | γ | -6040 | -6050 | -6060 | γ | -6080 | γ | 60 | 75 |
| γ | γ | ||||||||
| 63 | γ | γ | γ | γ | -6367 | γ | γ | 63 | 75 |
| γ | γ | γ | γ | ||||||
| 70 | γ | γ | -7050 | γ | γ | -7080 | γ | 70 | 85 |
| γ | γ | γ | γ | ||||||
| 75 | γ | γ | γ | -7560 | γ | γ | γ | 75 | 90 |
| γ | γ | γ | γ | ||||||
| 80 | γ | γ | γ | -8060 | γ | -8080 | -80100 | 80 | 100 |
| γ | γ | γ | γ | ||||||
| 90 | γ | γ | γ | -9060 | γ | -9080 | γ | 90 | 110 |
| γ | γ | γ | γ | ||||||
| 100 | γ | γ | γ | γ | γ | -10080 | -100100 | 100 | 120 |
| γ | γ | γ | γ | γ | |||||
| 120 | γ | γ | γ | γ | γ | -12080 | -120100 | 120 | 140 |
| γ | γ | γ | γ | γ | |||||
Self-lubricated Brass Alloy Bushings #500SP (SPF) can be used in rotation, swing and reciprocating motion.
Attention: There is no solid lubricant on the flange.
Please avoid using in water.
The inner diameter of 31.5mm is in the middle of the hydraulic cylinder trunnion bushing.
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Self-lubricated Brass Alloy Bushings SPF | Trusted Supplier of Precision-Engineered Hydraulic & Bearing Adapter Sleeves
Chin Sing Precision Co. is a leading manufacturer of high-quality Self-lubricated Brass Alloy Bushings SPF, hydraulic adapter sleeves, industrial lock nuts, and durable bearing accessories designed to enhance the performance of heavy-duty machinery. Each metal adapter sleeve is engineered for precision and durability, featuring robust construction to support the secure installation and maintenance of bearings. Our products meet international ISO and RoHS standards, ensuring reliability and longevity even in demanding conditions across industries like automotive, steel manufacturing, and mining.
With over 30 years of expertise, Chin Sing Precision Co. provides OEM and ODM services to meet specific customer requirements, offering flexible solutions for global clients. Our commitment to advanced engineering and rigorous quality control makes our hydraulic adapter sleeves, lock nuts, and lock washers trusted choices worldwide for optimal machinery performance and reduced maintenance downtime.
Since 1990, CS has specialized in providing high-performance hydraulic adapter sleeves, leveraging advanced technology and nearly 33 years of industry expertise. As a trusted global supplier, Chin Sing Precision Industry Co. delivers precision-engineered sleeves built for durability and quality assurance, meeting each clientβs unique specifications and ensuring reliable solutions for demanding industrial applications worldwide.