Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Composition	Tin Bronze (QSn4-3)
Alloy Grade	QSn4-3 / CuSn4
Hardness	HB 70-90
Tensile Strength	≥ 295 MPa
Elongation Rate	≥ 40%
Max Operating Temperature	200°C Continuous
Surface Finish	Polished and Deburred
Dimensional Tolerance	ISO H7/g6 Standard
Customization Options	Non-Standard Sizes Available
Packaging Method	Wooden Case or Pallet

5 reviews

Anonymous

Apr 15, 2026

Rating: 4/5

Solid industrial component

Meets our maintenance requirements. Would prefer faster communication on custom specs but the product itself is very good.

Anonymous

Mar 28, 2026

Rating: 5/5

Manufacturer direct pricing is great

Cut out the middleman and saved a lot on our bulk order. Quality matches the specs provided in the datasheet perfectly.

Anonymous

Mar 07, 2026

Rating: 4/5

Good quality, slight delay

The bearings are high quality and wear-resistant as described. Shipping took a bit longer than expected for custom sizes but worth the wait.

Anonymous

Feb 08, 2026

Rating: 5/5

Excellent durability

We have been running these for 6 months now with no signs of wear. Great for high-friction applications in heavy machinery.

Anonymous

Jan 27, 2026

Rating: 5/5

Perfect fit for our molding line

Ordered custom sizes for our older injection machines. Fit was precise and material feels solid. Highly recommend for industrial maintenance.

5 FAQ

Q: Do you provide material certificates with the order?

A: Yes, we provide Mill Test Certificates with every batch to ensure material compliance.

Q: What lubrication do you recommend for these bearings?

A: Standard industrial grease or oil suitable for bronze bearings is recommended for optimal performance.

Q: What is the lead time for non-standard sizes?

A: Typically 15-20 days depending on complexity and quantity ordered.

Q: Do you offer bulk discounts for large orders?

A: Yes, please contact us directly for quotes on orders over 500 units.

Q: Are these suitable for high-temperature environments?

A: QSn4-3 performs well up to 200°C continuous operation without losing structural integrity.

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