Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Composition	Copper Alloy with Embedded Graphite
Lubrication Type	Self-Lubricating (Oil-Free)
Bearing Shape	Straight Cylindrical Sleeve
Inner Diameter Options	12mm, 15mm, 20mm, 30mm, 40mm, 50mm, 60mm
Outer Diameter	Customized Based on Model Selection
Length Specification	Varies by Model Number
Hardness	HB 90-120
Operating Temperature	-10°C to +150°C
Max Load Capacity	50 N/mm² Static Load
Primary Applications	Hydraulic Cylinders, Automotive, Industrial Machinery

5 reviews

Anonymous

Apr 22, 2026

Rating: 5/5

Reliable under load

We use these in our production line. They handle the stress well without overheating. Excellent for high-cycle applications.

Anonymous

Apr 20, 2026

Rating: 5/5

Easy installation

Slid right into the housing. No special tools needed beyond a press. Saves time on maintenance compared to oiled bearings.

Anonymous

Mar 20, 2026

Rating: 4/5

Good but check sizing

Quality is good but make sure you measure your shaft twice. I ordered the 20mm and it was snug, required careful pressing.

Anonymous

Feb 21, 2026

Rating: 5/5

Great quality brass

Solid construction. The graphite plugs are evenly distributed. Very happy with the purchase and durability so far.

Anonymous

Feb 04, 2026

Rating: 5/5

Perfect for hydraulic repair

Used these on a press cylinder. No oil needed which keeps things clean. Fit was precise and installation was straightforward.

5 FAQ

Q: Are these sold individually or in packs?

A: Pricing is per unit. However, bulk discounts are available for larger quantities selected at checkout.

Q: Can these be used in wet environments?

A: Yes, the copper alloy material offers good corrosion resistance suitable for most wet industrial environments.

Q: What is the return policy if sizing is wrong?

A: Please contact support within 30 days of receipt. Items must be unused and in original packaging for a return.

Q: Do I need to add grease during installation?

A: No, the embedded graphite provides sufficient lubrication during operation. Additional grease is not required.

Q: Is the 25mm ID exactly 25mm?

A: It follows standard metric tolerances designed for an interference fit. Please consult the technical datasheet for specific micron tolerances.

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