Attributes

Brand	-
Category	3C Digital Accessories / USB Multi-Function Power Bank
Origin	-
Model Number	SF1-F3016
Material Composition	Steel Back, Porous Bronze, PTFM Top Layer
Lubrication Type	Self-Lubricating (Oil-Impregnated)
Inner Diameter	30 mm
Outer Diameter	34 mm
Total Length	16 mm
Flange Diameter	42 mm
Flange Thickness	2.5 mm
Max Static Load	250 N/mm²
Operating Temperature	-40°C to +110°C

6 reviews

Anonymous

Mar 23, 2026

Rating: 5/5

Perfect fit for my machinery repair

These bearings arrived exactly as described. The dimensions were precise, and the self-lubricating feature is working great in my low-speed application. No squeaking after two weeks of continuous use.

Anonymous

Mar 19, 2026

Rating: 5/5

Reliable replacement part

Exactly what I needed to fix my conveyor belt roller. The tolerance is tight, providing a snug fit without requiring excessive force during installation. Very satisfied.

Anonymous

Mar 18, 2026

Rating: 4/5

Solid industrial component

Meets all the standard specs for SF1 material. The flange is sturdy and prevents axial movement nicely. Just ensure you press it in evenly to avoid deforming the inner sleeve.

Anonymous

Mar 18, 2026

Rating: 5/5

Excellent durability

I replaced the old brass bushings with these composite ones. The difference in smoothness is noticeable. They handle the lateral load from the flange very effectively.

Anonymous

Mar 09, 2026

Rating: 4/5

Good quality, fast shipping

The build quality feels solid. The bronze layer looks uniform. I deducted one star only because the packaging was a bit minimal, but the product itself is undamaged and functions well.

Anonymous

Mar 03, 2026

Rating: 5/5

Great for DIY projects

Used this for a custom pivot point on a garden tool. The oil-impregnated material means I don't have to grease it constantly. Highly recommend for home mechanics.

5 FAQ

Q: Is this bearing suitable for high-speed applications?

A: This SF1 composite bearing is designed primarily for low to medium speed and oscillating movements. For very high rotational speeds, we recommend checking specific dynamic load charts or contacting our engineering team.

Q: Can I cut this bearing to a shorter length if needed?

A: While technically possible with specialized tools, cutting the bearing may compromise the structural integrity of the steel backing and the distribution of the lubricant. We strongly advise ordering the exact length required for your application.

Q: Is the flange thickness uniform around the entire circumference?

A: Yes, the flange is machined to ensure uniform thickness and perpendicularity to the sleeve axis, ensuring even load distribution when mounted against a flat surface.

Q: What is the coefficient of friction for this material?

A: The dynamic coefficient of friction for SF1 material typically ranges between 0.03 and 0.10, depending on the load, speed, and surface finish of the mating shaft.

Q: Does this come with a warranty against manufacturing defects?

A: Yes, all our industrial bearings come with a standard 1-year warranty covering manufacturing defects such as delamination or dimensional inaccuracies. Normal wear and tear are not covered.

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