INA NK 30/20 - Needle Roller Bearing without Inner Sleeve 30x40x20 mm

INA NK 30/20 - Needle Roller Bearing without Inner Sleeve 30x40x20 mm

The INA NK 30/20 needle roller bearing is a high-performance component designed for applications where space is limited and high load capacity is needed. Its design without an inner sleeve allows for a more compact structure, saving space in various mechanical systems.

Key Specifications:

• Inner Diameter (d): 30 mm

• Outer Diameter (D): 40 mm

• Width (B): 20 mm

• Type: Needle roller bearing without inner sleeve

• Number of Rows: 1 row of needles

• Cage: None (needles guided without a cage)

• Material: Carbon steel

• Operating Temperature Range: -30°C to +120°C

• Maximum Rotational Speed: 13,000 rpm

• Dynamic Load Rating: 25.1 kN

• Static Load Rating: 44 kN

Features:

• Compact Design: The lack of an inner sleeve makes the bearing more compact, which is ideal for applications where space is limited.

• High Load Capacity: The large number of needles allows for a high radial load capacity.

• Simple Construction: The absence of a cage simplifies the mounting and dismounting process, and also reduces the weight of the bearing.

• Versatility: Perfect for applications requiring space savings, such as gearboxes, electric motors, and agricultural equipment.

Applications:

The INA NK 30/20 is suitable for:

• Mechanical transmissions

• Electric motors

• Agricultural machinery

• Mechanical drives

• Systems where space is limited

Benefits:

• Cost Reduction: The simplified design and lack of an inner sleeve reduce manufacturing costs.

• Easier Installation: The absence of a cage and inner sleeve simplifies the installation process.

• High Reliability: Its solid construction ensures long service life and reliability in demanding operating conditions.

FAQ:

Q1: Does the INA NK 30/20 bearing require special installation?

A1: Yes, the bearing is installed directly onto the hardened shaft, requiring proper shaft preparation.

Q2: What are the advantages of having no inner sleeve in this bearing?

A2: The lack of an inner sleeve saves space in the construction and reduces the bearing's weight, which is beneficial in applications with limited space.

Q3: Is the INA NK 30/20 bearing compatible with other NK series bearings?

A3: Yes, bearings in the NK series have standard dimensions, allowing for interchangeability in many applications.

Q4: What are the maximum load ratings for this bearing?

A4: The dynamic load rating is 25.1 kN, and the static load rating is 44 kN, providing high radial load capacity.