A
Anonymous
Apr 20, 2026
Rating: 4/5
Good Material
Solid copper construction, but shipping was a bit slower than expected.
Description
Copper shaft sleeve / copper bushing / bearing sleeve / graphite copper sleeve / inner diameter 45-50mm custom processing from drawings or samples
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | Copper Alloy & Graphite |
| Inner Diameter (ID) | 45 mm - 50 mm |
| Outer Diameter (OD) | Custom Machined |
| Length | Custom Machined |
| Hardness (Brinell) | 90 - 120 HB |
| Max Load Capacity | 120 N/mm² |
| Max Sliding Speed | 0.5 m/s |
| Operating Temp Range | -40°C to +250°C |
| Lubrication Type | Self-Lubricating (Solid) |
| Customization Service | Drawings or Samples Required |
5 reviews
A
Anonymous
Apr 15, 2026
Rating: 4/5
Standard Quality
Good for the price, verify dimensions before ordering to ensure compatibility.
A
Anonymous
Mar 21, 2026
Rating: 5/5
Custom Work Done Right
Sent samples, they matched exactly. Very happy with the custom machining service.
A
Anonymous
Mar 03, 2026
Rating: 5/5
High Load Performance
Using in heavy machinery, holding up well under significant pressure.
A
Anonymous
Feb 12, 2026
Rating: 5/5
Excellent Precision
Fit perfectly on our 45mm shafts. No play and the graphite lubrication is working well.
5 FAQ
Q: Do these bearings need regular oiling?
A: No, the graphite plugs provide self-lubrication during operation.
Q: Can I order just one piece for testing?
A: Yes, single units are available, but custom machining fees may apply for non-stock sizes.
Q: What is the typical lead time for custom orders?
A: Stock items ship in 3 days, while custom machined parts typically take 2 weeks.
Q: Is this material corrosion resistant?
A: Yes, the copper alloy offers good resistance to corrosion in most environments.
Q: What tolerance do you hold on the inner diameter?
A: We maintain standard ISO H7 tolerance for the ID unless otherwise specified.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
![Xian Kan Yun Shu [Cloud Lark] Elegant Brush Washer, Hand-Painted Orchid and Sparrow Design under Glaze, Ceramic Water Pot](https://www.gosteppe.com/cache/small/product/269176/legacy-main-b83d0e5d0aba33de561a2b48.webp)
![[Damai Holds Micro-Needle Hair Transplant Patent] Precision Eyebrow Transplant – Custom Aesthetic Design](https://www.gosteppe.com/cache/small/product/269162/legacy-main-c1f4dd8da327a142f48d9814.webp)
