Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | Bronze SAE 841 with Graphite Impregnation |
| Inner Diameter Tolerance | H7 / +0.025mm |
| Outer Diameter Tolerance | h6 / -0.015mm |
| Length Tolerance | ±0.1mm |
| Graphite Content | 2% - 4% by weight |
| Max Operating Temperature | 250°C (482°F) |
| Max Load Capacity | 25 N/mm² Static |
| Hardness | 60 - 90 HB |
| Surface Finish | Ra 0.8 μm |
| Recommended Application | Injection Molds, Die Casting, Guide Bushings |
Anonymous
Apr 24, 2026
Rating: 5/5
Excellent durability
Running these for 3 months in a high-cycle environment without replacement. Wear resistance is impressive.
Anonymous
Mar 27, 2026
Rating: 5/5
Self-lubricating works
Reduced our maintenance downtime significantly. No need for constant oiling in hard-to-reach mold components.
Anonymous
Mar 02, 2026
Rating: 4/5
Precise dimensions
Tolerances were tight as advertised. Good for precision molds where fit is critical. Would order again.
Anonymous
Feb 18, 2026
Rating: 4/5
Good value
Quality is solid and meets our engineering specs. Delivery was a day late but product performance makes up for it.
Anonymous
Feb 14, 2026
Rating: 5/5
Great for mold guides
Fit perfectly in our guide posts. No sticking during high cycles. The graphite plugs are evenly distributed.
Q: Are material certificates available?
A: Yes, we provide Mill Test Reports (MTR) upon request for all bronze batches at no extra cost.
Q: What is the maximum pressure rating?
A: The static load capacity is up to 25 N/mm². Dynamic load depends on specific speed and temperature conditions.
Q: Can you cut these to custom lengths?
A: Yes, contact our sales team for custom lengths. Standard sizes ship in 48 hours, customs take 7-10 days.
Q: Is this compatible with hardened steel shafts?
A: Yes, this bronze alloy is designed to work against hardened steel surfaces without galling or seizing.
Q: Do I need to add external oil lubrication?
A: No, the graphite impregnation provides self-lubricating properties suitable for dry or semi-dry conditions.
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