A
Anonymous
Apr 24, 2026
Rating: 5/5
Excellent self-lubricating performance
Using these in a high-load application. No grease needed so far.
Description
Copper Sleeves Copper Bushings Self-Lubricating Bearings Oil-Free Bushings Copper Shaft Sleeves SF-1 Composite Copper Sleeves Inner Diameter 95--115mm
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | Steel Back / Porous Bronze / PTFE |
| Inner Diameter Range | 95 mm - 115 mm |
| Wall Thickness Tolerance | +/- 0.03 mm |
| Max Static Load Capacity | 250 N/mm² |
| Max Dynamic Load Capacity | 140 N/mm² |
| Operating Temperature | -40°C to +110°C |
| Friction Coefficient | 0.03 - 0.15 (Dry) |
| Surface Treatment | Sintered Bronze Layer |
| Compliance Standard | ISO 3547 / DIN 1494 |
| Country of Origin | Manufactured in China |
5 reviews
A
Anonymous
Apr 21, 2026
Rating: 4/5
Good quality bushings
Material feels solid. Took a bit longer to ship than expected but worth the wait.
A
Anonymous
Mar 06, 2026
Rating: 4/5
Good value for money
Competitive pricing for SF-1 composite. Packaging was secure.
A
Anonymous
Feb 27, 2026
Rating: 5/5
Perfect fit for our press
Ordered the 100mm ID size. Dimensions were spot on and installation was smooth.
A
Anonymous
Jan 29, 2026
Rating: 5/5
Reliable industrial grade
We use these for maintenance repairs. Consistent quality across batches.
5 FAQ
Q: Do these require any initial lubrication?
A: No, the PTFE layer provides self-lubrication from the first use.
Q: Can these be cut to specific lengths?
A: Yes, we offer custom cutting services. Please contact us before ordering.
Q: Is certification provided with the shipment?
A: Yes, material certification can be included upon request.
Q: What is the hardness of the bronze layer?
A: The bronze layer hardness is typically between 40-60 HB.
Q: Are bulk discounts available?
A: Yes, discounts apply for orders over 50 units. Contact sales for a quote.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
