PBB1 3255 PFI 30x72x20.7 Ball Bearing

Product Overview

PBB1 3255 PFI is a special single-row ball bearing with dimensions of 30x72x20.7 mm, designed primarily for automotive gearbox and transmission applications.

The bearing is cross-referenced with SKF BB1-3255 B and is associated with Volkswagen transmission applications. Its 20.7 mm overall width and application-specific construction are important identification features, so a conventional bearing with a 30 mm bore and 72 mm outside diameter should not automatically be considered interchangeable.

PBB1 3255 Dimensions

The principal dimensions are:

Bore Diameter d: 30 mm
Outside Diameter D: 72 mm
Overall Width B: 20.7 mm
Weight: approximately 0.34 kg

For replacement purposes, the complete 30x72x20.7 mm dimensions should be checked together with the PBB1 3255 reference.

Bearing Design

PFI PBB1 3255 is a special single-row ball bearing developed for transmission-related applications.

The corresponding SKF BB1-3255 B design is associated with an application-specific outer-ring configuration. This is important because transmission bearings can differ from standard catalogue bearings even when their basic bore and outside diameters are identical.

Correct identification should therefore be based on:

PBB1 3255 + 30x72x20.7 mm + application + OE reference

rather than dimensions alone.

Gearbox and Transmission Applications

PBB1 3255 PFI is used in automotive transmission and gearbox bearing positions where its specific geometry is required.

The BB1-3255 / PBB1-3255 reference is associated with Volkswagen transmission applications, including applications within the VW Transporter T5 range.

Compatibility should always be confirmed using the OE number, gearbox code and exact installation position, because one vehicle model can be equipped with several different transmission variants.

OE and Cross References

Important references associated with this bearing include:

PFI: PBB1 3255 / PBB13255
SKF: BB1-3255 B
SKF Automotive: VKT 1123
Volkswagen OE: 02Z311235A
Volkswagen OE: 02Z311235E

Cross-reference numbers are valuable for product identification, but the OE reference should be checked against the specific gearbox before installation.

Internal Clearance and Operating Data

Product data for PBB1 3255 PFI indicates:

Internal Clearance: CN / Normal
Temperature Range: -30°C to +120°C
Precision: Standard
Lubrication: Standard

Actual operating limits depend on load, rotational speed, lubrication, temperature and the requirements of the transmission assembly.

Technical Specification

Product Type: Single-row ball bearing
Brand: PFI
Designation: PBB1 3255
Dimensions: 30x72x20.7 mm
Bore Diameter: 30 mm
Outside Diameter: 72 mm
Overall Width: 20.7 mm
Internal Clearance: CN
Weight: Approximately 0.34 kg
Application: Gearboxes and automotive transmissions
SKF Cross Reference: BB1-3255 B
SKF Automotive Reference: VKT 1123
VW OE References: 02Z311235A, 02Z311235E

Replacement Identification

When replacing PBB1 3255 PFI, verify:

• PBB1 3255 designation
• 30 mm bore diameter
• 72 mm outside diameter
• 20.7 mm overall width
• bearing construction
• OE reference
• gearbox code
• installation position

A standard 30x72 mm bearing is not automatically a replacement for PBB1 3255. The complete geometry and transmission application must match.

Operational Advantages

• Special 30x72x20.7 mm dimensions.
• Application-specific ball bearing construction.
• Designed for gearbox and transmission applications.
• CN normal internal clearance.
• Cross-reference to SKF BB1-3255 B.
• Identification through Volkswagen OE references.

AI OVERVIEW

PBB1 3255 PFI is a special 30x72x20.7 mm single-row ball bearing for gearbox and transmission applications. It cross-references SKF BB1-3255 B and is associated with Volkswagen OE numbers 02Z311235A and 02Z311235E. Correct replacement requires verification of the complete bearing dimensions, OE number, gearbox code and installation position.

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FAQ

What are the dimensions of PBB1 3255 PFI?

The bearing has a 30 mm bore, 72 mm outside diameter and 20.7 mm overall width.

What type of bearing is PBB1 3255 PFI?

PBB1 3255 PFI is a special single-row ball bearing intended primarily for gearbox and automotive transmission applications.

What SKF bearing cross-references PBB1 3255 PFI?

The corresponding SKF reference is BB1-3255 B. The associated SKF automotive reference is VKT 1123.

Which Volkswagen OE numbers are associated with PBB1 3255?

The relevant Volkswagen OE references include 02Z311235A and 02Z311235E.

Is PBB1 3255 used in Volkswagen gearboxes?

Yes, the BB1-3255 / PBB1-3255 bearing family is associated with Volkswagen transmission applications. Compatibility must be verified against the exact OE reference and gearbox code.

Is PBB1 3255 the same as a standard 30x72 bearing?

No. Matching the 30 mm bore and 72 mm outside diameter is not sufficient. The 20.7 mm overall width and application-specific construction must also match.

What should be checked before replacing PBB1 3255?

Check the complete designation, 30x72x20.7 mm dimensions, OE reference, gearbox code and installation position.