FPL 412 NADELLA 4x12x9.7 Track Roller

What Is the FPL 412 NADELLA?

The FPL 412 NADELLA is a miniature track roller (cam follower without stud) with dimensions 4x12x9.7 mm. It belongs to the FPL series, featuring a cylindrical outer ring and a full complement of needle rollers, providing exceptionally high radial load capacity in a compact design. It is engineered for rolling on guide rails, cams and tracks in industrial machinery, automation systems and precision mechanical equipment.

Bearing Design

The FPL 412 NADELLA features:

• Studless track roller
• Full complement needle rollers
• Cylindrical outer ring (FPL design)
• Open construction
• No seals
• Cylindrical bore
• Bearing steel construction

The full complement roller design maximizes load capacity while maintaining compact dimensions.

Technical Specification

Manufacturer: NADELLA

Part Number: FPL 412

Bearing Type: Track Roller (Cam Follower without Stud)

Inside Diameter (d): 4 mm

Outside Diameter (D): 12 mm

Width (B): 9.7 mm

Outer Ring Profile: Cylindrical

Seal Type: Open

Cage: Full Complement (Cageless)

Material: Bearing Steel

Operating Temperature: Approximately -20°C to +120°C

How Does a Track Roller Work?

A track roller is designed to roll along guide rails or cam profiles while carrying high radial loads.

Its primary functions include:

• Supporting high radial loads
• Providing smooth rolling motion
• Reducing rolling friction
• Delivering precise linear guidance
• Withstanding dynamic loading
• Operating reliably in compact assemblies

The full complement needle rollers increase the contact area, resulting in higher load capacity than comparable caged designs.

Typical Applications

The FPL 412 NADELLA is commonly used in:

• Cam mechanisms
• Linear guide systems
• Packaging machinery
• Industrial automation
• Conveyor systems
• Material handling equipment
• Textile machinery
• Assembly equipment
• Special-purpose machinery
• OEM equipment
• Maintenance and Repair (MRO)

Advantages of the FPL 412 NADELLA

Key benefits include:

• High radial load capacity
• Compact dimensions
• Cylindrical outer running surface
• Full complement needle roller design
• Precise rolling guidance
• Low rolling resistance
• Easy installation
• Reliable industrial performance

Installation Recommendations

Before installation, verify:

• Shaft diameter
• Raceway condition
• Proper alignment
• Lubrication conditions
• Operating load
• Running surface quality

Correct installation and proper lubrication help maximize service life and operating reliability.

Frequently Asked Questions (FAQ)

What are the dimensions of the FPL 412 NADELLA?

The track roller has a 4 mm inside diameter, 12 mm outside diameter, and 9.7 mm width.

What does the FPL designation mean?

FPL identifies a track roller with a cylindrical outer ring. In contrast, the FP series features a crowned outer ring.

Does the FPL 412 have seals?

No. It is supplied as an open track roller without seals.

Does it use a cage?

No. The FPL 412 features a full complement needle roller design, allowing higher radial load capacity.

Where is the FPL 412 commonly used?

It is widely used in guide systems, cam mechanisms, industrial automation, packaging machinery and OEM applications.

What are the advantages of a full complement design?

The full complement construction increases the number of needle rollers inside the bearing, providing higher load capacity and improved durability in demanding applications.