Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Composition	High-Strength Brass with Graphite Plugs
Bearing Type	Flanged Sleeve Bearing
Lubrication	Self-Lubricating (Solid Graphite)
Model Series	MPTZ30 / MPTZ35 / MPTZ40 / MPTZ50
Hardness	90 - 120 HB
Operating Temperature	-10°C to +150°C
Max Load Capacity	Dynamic 50 N/mm² / Static 120 N/mm²
Surface Finish	Polished Inner Bore
Application Range	Hydraulic Cylinders, Molding Machines
Certification	ISO 3547 Compliant

5 reviews

Anonymous

Apr 20, 2026

Rating: 5/5

Perfect for hydraulic repair

Used the MPTZ40 model for a hydraulic cylinder repair. The fit was precise and the graphite plugs seem to be holding up well under constant pressure. Highly recommend for industrial maintenance.

Anonymous

Apr 19, 2026

Rating: 4/5

Good quality, slight delay

The bearings themselves are excellent quality brass. Machining tolerances are spot on. Only giving 4 stars because shipping took a bit longer than expected, but the product is solid.

Anonymous

Mar 05, 2026

Rating: 5/5

Excellent wear resistance

Replaced standard bushings with these graphite-embedded ones. The wear resistance is noticeably better, reducing our downtime for maintenance. Will purchase again.

Anonymous

Feb 18, 2026

Rating: 5/5

Meets all specifications

Verified the hardness and dimensions against our engineering specs. Everything matches the datasheet. Great self-lubricating performance in dry conditions.

Anonymous

Feb 18, 2026

Rating: 5/5

Durable and reliable

We ordered a batch for our molding machines. No squeaking or excessive wear after three months of continuous operation. The flanged design makes installation very straightforward.

5 FAQ

Q: Do you offer custom flange sizes?

A: Standard sizes are listed, but we do offer custom machining services for bulk orders. Please reach out to our sales team with your specific requirements.

Q: Can these be used in high-temperature environments?

A: They are rated for operating temperatures between -10°C and +150°C. For temperatures exceeding this range, please contact us for alternative material options.

Q: How should these be installed?

A: These are press-fit bushings. Ensure the housing bore is clean and use a proper arbor press to install evenly without damaging the flange.

Q: Are these compatible with standard hydraulic oil?

A: Yes, these brass sleeve bearings are compatible with standard hydraulic oils and greases, though they are designed to operate self-lubricated via the graphite plugs.

Q: What is the tolerance for the inner diameter?

A: The inner diameter typically follows H7 tolerance standards. Please refer to the specific size chart for the MPTZ model you select for exact measurements.

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