INA K20x30x30 Needle Roller and Cage Assembly

Applications and Technical Features of the INA K20x30x30 Needle Roller and Cage Assembly

The INA K20x30x30 Needle Roller and Cage Assembly is a compact, high-capacity bearing unit explicitly designed for demanding industrial applications, including gearboxes, conveyor systems, machine tools and bearing housings. Its metric dimensions—20 mm inner diameter, 30 mm outer diameter and 30 mm width—make it an ideal choice when space is constrained but high radial load capacity is required. One key feature is its ready-to-mount configuration: a self-contained bearing unit that simplifies integration into a bearing housing or bearing unit layout.

Advantages and Key Features

• High load capacity: With needle rollers and a precision cage, this assembly offers superior radial load performance compared to standard ball bearings, making it ideal for heavy-duty rotating equipment.

• Compact design: The “20x30x30 mm” footprint supports compact machine architectures while still delivering robust performance.

• Ready-mount unit: The assembly is delivered as a pre-assembled cage & needle roller unit, reducing installation time and complexity in B2B operations where uptime matters.

• Wide industrial relevance: Suitable for OEM, MRO and general industrial procurement where high durability and reliable performance are key.

• Stock availability and fast dispatch: With a warehouse location at Lublin, ul. Smoluchowskiego 1, building 4 and possibility of 24h delivery, procurement teams can secure fast replacement and reduce downtime.

Technical Data & Compatibility

• Inner Diameter (d): 20 mm

• Outer Diameter (D): 30 mm

• Width (B): 30 mm

• Type: Needle Roller and Cage Assembly (single-row)

• Material: Precision steel rollers and cage, hardened for industrial operation

• Typical Temperature Range: -20 °C to +150 °C (depending on installation conditions)

• Weight: approx. 0.049 kg

This bearing unit is engineered for use in industrial and mechanical power transmission systems. When selecting, ensure appropriate shaft/groove tolerances, lubrication, and housing fit to achieve optimal performance and maximum service life.

FAQ - Frequently Asked Questions

Q1: What makes the INA K20x30x30 assembly different from a standard ball bearing?
A1: Unlike a ball bearing, the needle roller and cage assembly features multiple small-diameter rollers supported by a cage, which allows for a larger contact area and higher radial load capacity in a compact width. This makes it especially suitable for heavy-load, space-constrained applications.

Q2: Can this assembly handle axial loads as well as radial loads?
A2: The primary design is for radial load handling; it can accommodate limited axial load depending on the mounting design. For significant axial loads, consider bearing types designed specifically for axial load.

Q3: What are the key installation considerations to ensure full performance?
A3: Key factors include correct shaft fit and housing tolerance, proper clean installation environment, correct lubricant selection, and maintaining alignment and load conditions. These steps ensure high durability and avoid premature failure.

Q4: Is this unit suitable for high-speed applications?
A4: The 20x30x30 mm size and needle roller design support high performance across many industrial speeds. However, for extremely high-speed or high-temperature applications, always verify maximum rpm and temperature rating from the manufacturer.

Q5: How quickly can I receive this assembly for my maintenance operations?
A5: Stock availability in Poland with dispatch from Lublin enables rapid delivery. Procurement teams can benefit from reduced lead-time and maintain inventory readiness for their machines.

Summary / Call to Action

For technical buyers, maintenance specialists and industrial procurement teams seeking a high-performance needle roller bearing unit, the INA K20x30x30 assembly offers robust load capacity, compact dimensions and rapid delivery. Stocked and ready at our warehouse in Lublin.

📍 Warehouse & Store: Lublin, ul. Smoluchowskiego 1, building 4
🚚 24h Delivery - fast order fulfilment

Secure your stock of INA K20x30x30 today and ensure dependable performance in your machinery and industrial installations.