Self-lubricated Brass Alloy Bushings SPF | Precision Engineering with Hydraulic Adapter Sleeves for All Industries
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. CS is a high-quality Self-lubricated Brass Alloy Bushings SPF, Brass Self Lubricating Bushing manufacturer from Taiwan since 1990. Chin Sing Precision Industry Co., Ltd., an ISO-certified leader in bearing components, offers top-grade adapter sleeves, hydraulic adapter sleeves, lock nuts, lock washers, and withdrawal sleeves. Adhering to global standards like AISI, RoHS, REACH, we serve sectors including steel, mining, and cement, emphasizing custom solutions for comprehensive client satisfaction.
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 | |||||
| Ød | TOL | ØD | TOL | ØF | Thickness | TOL | SPF | SPF | SPF | SPF | SPF | |
| 10 | 10 | +0.04 | 14 | +0.034 | 22 | 2 | 0 | -1010 | -1015 | -1020 | ||
| +0.025 | +0.023 | -0.1 | ||||||||||
| 12 | 12 | +0.05 | 18 | +0.034 | 25 | 3 | " | -1210 | -1215 | -1220 | -1225 | -1230 |
| +0.032 | +0.023 | |||||||||||
| 13 | 13 | +0.05 | 19 | +0.041 | 26 | 3 | " | -1315 | -1320 | |||
| +0.032 | +0.028 | |||||||||||
| 14 | 14 | +0.05 | 20 | +0.041 | 27 | 3 | " | -1415 | -1420 | -1425 | ||
| +0.032 | +0.028 | |||||||||||
| 15 | 15 | +0.05 | 21 | +0.041 | 28 | 3 | " | -1510 | -1515 | -1520 | -1525 | -1530 |
| +0.032 | +0.028 | |||||||||||
| 16 | 16 | +0.05 | 22 | +0.041 | 29 | 3 | " | -1615 | -1620 | -1625 | -1630 | |
| +0.032 | +0.028 | |||||||||||
| 20 | 20 | +0.061 | 30 | +0.041 | 40 | 5 | " | -2015 | -2020 | -2025 | -2030 | |
| +0.04 | +0.028 | |||||||||||
| 25 | 25 | +0.061 | 35 | +0.05 | 45 | 5 | " | -2515 | -2520 | -2525 | -2530 | |
| +0.04 | +0.034 | |||||||||||
| 30 | 30 | +0.061 | 40 | +0.05 | 50 | 5 | " | -3020 | -3025 | -3030 | ||
| +0.04 | +0.034 | |||||||||||
| 31.5 | 31.5 | +0.075 | 40 | +0.05 | 50 | 5 | " | -3120 | -3130 | |||
| +0.05 | +0.034 | |||||||||||
| 35 | 35 | +0.075 | 45 | +0.05 | 60 | 5 | " | -3520 | -3525 | -3530 | ||
| +0.05 | +0.034 | |||||||||||
| 40 | 40 | +0.075 | 50 | +0.05 | 65 | 5 | " | -4020 | -4025 | -4030 | ||
| +0.05 | +0.034 | |||||||||||
| 45 | 45 | +0.075 | 55 | +0.073 | 70 | 5 | " | -4530 | ||||
| +0.05 | +0.041 | |||||||||||
| 50 | 50 | +0.075 | 60 | +0.073 | 75 | 5 | " | -5030 | ||||
| +0.05 | +0.041 | |||||||||||
| 55 | 55 | +0.09 | 65 | +0.073 | 80 | 5 | " | |||||
| +0.06 | +0.041 | |||||||||||
| 60 | 60 | +0.09 | 75 | +0.062 | 90 | 7.5 | " | |||||
| +0.06 | +0.043 | |||||||||||
| 63 | 63 | +0.09 | 75 | +0.062 | 85 | 7.5 | " | |||||
| +0.06 | +0.043 | |||||||||||
| 70 | 70 | +0.09 | 85 | +0.083 | 105 | 7.5 | " | |||||
| +0.06 | +0.051 | |||||||||||
| 75 | 75 | +0.09 | 90 | +0.083 | 110 | 7.5 | " | |||||
| +0.06 | +0.051 | |||||||||||
| 80 | 80 | +0.09 | 100 | +0.083 | 120 | 10 | " | |||||
| +0.06 | +0.051 | |||||||||||
| 90 | 90 | +0.107 | 110 | +0.076 | 130 | 10 | " | |||||
| +0.072 | +0.054 | |||||||||||
| 100 | 100 | +0.107 | 120 | +0.076 | 150 | 10 | " | |||||
| +0.072 | +0.054 | |||||||||||
| 120 | 120 | +0.107 | 140 | +0.088 | 170 | 10 | " | |||||
| +0.072 | +0.054 | |||||||||||
| 120 | 120 | +0.107 | 140 | +0.088 | 170 | 10 | " | |||||
| +0.072 | +0.063 | |||||||||||
| Shaft Diameter | Length Tolerance | ID | OD | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 35 | 40 | 50 | 60 | 67.5 | 80 | 100 | |||
| SPF | SPF | SPF | SPF | SPF | SPF | SPF | |||
| 10 | 10 | 14 | |||||||
| 12 | 12 | 18 | |||||||
| 13 | 13 | 19 | |||||||
| 14 | 14 | 20 | |||||||
| 15 | 15 | 21 | |||||||
| 16 | -1635 | -1640 | 16 | 22 | |||||
| 20 | -2040 | 20 | 30 | ||||||
| 25 | -2535 | -2540 | -2550 | 25 | 35 | ||||
| 30 | -3035 | -3040 | -3050 | 30 | 40 | ||||
| 31.5 | -3135 | -3140 | 31.5 | 40 | |||||
| 35 | -3535 | -3540 | -3550 | 35 | 45 | ||||
| 40 | -4035 | -4040 | -4050 | 40 | 50 | ||||
| 45 | -4535 | -4540 | -4550 | -4560 | 45 | 55 | |||
| 50 | -5035 | -5040 | -5050 | -5060 | 50 | 60 | |||
| 55 | -5540 | -5560 | 55 | 65 | |||||
| 60 | -6040 | -6050 | -6060 | -6080 | 60 | 75 | |||
| 63 | -6367 | 63 | 75 | ||||||
| 70 | -7050 | -7080 | 70 | 85 | |||||
| 75 | -7560 | 75 | 90 | ||||||
| 80 | -8060 | -8080 | -80100 | 80 | 100 | ||||
| 90 | -9060 | -9080 | 90 | 110 | |||||
| 100 | -10080 | -100100 | 100 | 120 | |||||
| 120 | -12080 | -120100 | 120 | 140 | |||||
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 | Maximize Durability with High-Strength Lock Washers
Located in Taiwan since 1990, Chin Sing Precison Industry Co. , LTD is a leading manufacturer of bearing components, offering high-quality Self-lubricated Brass Alloy Bushings SPF, adapter sleeves, hydraulic adapter sleeves, lock nuts, lock washers, and withdrawal sleeves. Serving industries worldwide, we ensure excellence with ISO-9001:2015 and ISO-14001:2015 certifications. Our commitment to quality and customer satisfaction is unmatched, and our products comply with AISI, RoHS, and REACH standards.
Chin Sing Precision Industry is a leading manufacturer of high quality bearing adapter sleeves, lock nuts, lock washers, extraction sleeves and hydraulic adapter sleeves. With a commitment to excellence and innovation, our products serve a wide range of industrial applications, ensuring reliability and precision. Adhering to stringent international standards, we offer both standard and custom solutions to meet the dynamic needs of our global B2B customers. Explore our durable, precision-engineered components designed to improve your operations.
CS has been providing customers with high quality bearing adapter sleeves since 1990, with both advanced technology and 33 years of experience, CS ensures that each customer's requirements are met.