Attributes

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

5 reviews

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.

5 FAQ

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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