INA NKX12-Z-XL Combined Needle Roller/Thrust Ball Bearing 12x21x23 mm

INA NKX12-Z-XL Combined Needle Roller/Thrust Ball Bearing 12x21x23 mm

The INA NKX12-Z-XL is a premium combined bearing that integrates a radial needle roller bearing with an axial deep groove ball bearing. This design allows for the accommodation of high radial loads and axial loads in one direction within a compact structure. The 'Z' suffix indicates a stamped steel cover on one side, providing protection against contaminants and retaining lubrication.​

🔧 Technical Specifications:

• Inner Diameter (d): 12 mm

• Outer Diameter (D): 21 mm

• Width (B): 23 mm

• Dynamic Radial Load Rating (Cr): 10,100 N

• Static Radial Load Rating (C₀r): 11,000 N

• Dynamic Axial Load Rating (Ca): 10,300 N

• Static Axial Load Rating (C₀a): 15,400 N

• Limiting Speed: 11,000 rpm

• Operating Temperature Range: -20°C to +120°C

• Seal Type: Z - Steel cover on one side

• Weight: Approximately 0.04 kg​

⚙️ Applications:

Ideal for applications requiring the support of combined loads in a single bearing unit, such as:

• Gearboxes

• Pumps

• Compressors

• Construction machinery

• Agricultural equipment

🛠️ Features and Benefits:

• Compact design saves space and reduces assembly complexity

• High load-carrying capacity in both radial and axial directions

• Non-separable design for ease of installation

• Steel cover (Z) protects against contamination and retains grease

• Manufactured to DIN 5429 standards for quality assurance​

📌 Location & Delivery:

📍 Warehouse: Smoluchowskiego 1, Building 4, Lublin, Poland
🚚 24h Delivery - Nationwide and International Shipping​

❓ Frequently Asked Questions (FAQ):

Q1: Is the INA NKX12-Z-XL bearing suitable for high-speed applications?
A1: Yes, it has a limiting speed of 11,000 rpm, making it suitable for various high-speed applications.​

Q2: Can this bearing handle axial loads in both directions?
A2: No, it is designed to accommodate axial loads in one direction only.​

Q3: Does the 'Z' suffix indicate any special feature?
A3: Yes, the 'Z' indicates a stamped steel cover on one side, providing protection against contaminants and retaining lubrication.​

🔑 Keywords (SEO):

INA NKX12-Z-XL, Combined Needle Roller Bearing, Thrust Ball Bearing, 12x21x23 mm Bearing, High Load Bearing, Industrial Bearings, Simmering.pl, INA Bearings, NKX12-Z-XL​