Bunting BU-04 Sleeve Bearing | 1/4" ID PTFE Dry Lubricant

Bunting BU-04 Sleeve Bearing

The Bunting BU-04 is a BU-series dry lubricant sleeve bearing with PTFE composite construction. Bunting Bearings is a leading manufacturer of engineered sleeve bearings for industrial and heavy-equipment applications. This bearing is stocked in Kelowna, BC and ships Canada-wide.

Specifications

• Part Number: BU-04 (also known as 04BU04)
• Type: Sleeve Bearing — Dry Lubricant (PTFE Composite)
• Inside Diameter: 1/4" (6.35 mm)
• Outside Diameter: 5/16" (7.94 mm)
• Overall Length: 1/4" (6.35 mm)
• Material: Steel-backed PTFE composite
• Bore Type: Plain
• Lubrication: Self-lubricating (no external grease required)

Fitment

Bunting BU-series bearings are used in a wide range of industrial, agricultural, and construction equipment applications as sleeve/bushing replacements. Verify dimensions match your application before ordering.

FAQ

What is the BU designation in Bunting bearings?

The BU series from Bunting Bearings are PTFE composite dry-lubricant sleeve bearings that require no additional grease — ideal for applications where re-lubrication is impractical.

What is the load rating?

Bunting BU bearings are rated for demanding applications. The specific PV limit for the BU series is available on the Bunting Bearings catalog. Contact sales@rentwithaim.ca for detailed specs.

Can this replace a bronze bushing?

In many applications, yes. Bunting BU bearings are a drop-in improvement over plain bronze bushings, offering self-lubrication and lower friction. Verify inside/outside diameter and length match before substituting.

Where can I buy the Bunting BU-04 in Canada?

AIM Rentals stocks the Bunting BU-04 in Kelowna, BC and ships Canada-wide. Orders placed before 2:00 pm Pacific Time typically ship the same business day.