Bearings
Needle Roller Bearings
Combined Bearings
NKX / NAX Series (Thrust Ball)
Quick Code: BB-517301
NKX50Z SKF Needle Roller/Thrust Ball Bearing with Cover
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Product Specification
Brand
SKF
Cage
Sheet steel cage
Inside Dia (Fw)
50mm
Lubrication
For grease lubrication
Material
Standard bearing steel
Operating direction
Single direction bearing
Outside Dia (D)
70mm
Temperature range
-20 to +120 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Version
Self-retaining
Width (C)
35mm
Reference
NKX50-Z
Additional Reference:
10226899
Equivalent to:
NKX50Z
Quick Order Code
BB-517301
Product Description
The NKX50Z SKF Needle Roller/Thrust Ball Bearing is a precision-engineered, multi-functional bearing solution designed to meet the complex load requirements of compact mechanical systems. This innovative bearing combines advanced technologies to provide exceptional performance in space-limited applications.
Key Features:
- Non-separable design integrating radial needle roller and thrust ball bearing technologies
- Capable of handling moderate radial loads and lighter axial loads in a single direction
- Low-profile, compact construction for space-constrained environments
- Cover with gap-type seal for effective grease retention
- Sheet steel cage for enhanced durability
- Operating temperature range: -20°C to +120°C
Technical Specifications:
- Inside Diameter: 50mm
- Outside Diameter: 70mm
- Width: 35mm
- Material: Standard bearing steel
- Tolerance Class: P0/PN2 / ABEC 1
- Lubrication: Grease lubrication
- Version: Self-retaining
- Operating Direction: Single direction bearing
Typical Applications:
- Automotive transmission systems
- Industrial machinery with complex load requirements
- Precision equipment needing compact bearing solutions
- Mechanical systems requiring single-direction thrust load support
- Robotic and automation equipment
- Agricultural and construction machinery
- Material handling systems
This versatile bearing offers engineers and designers a robust, space-efficient solution for applications demanding precise load distribution and reliable performance in compact mechanical systems. Its unique design allows for efficient handling of both radial and axial loads while maintaining a compact profile, making it an ideal choice for challenging engineering environments.

