Bearings
Needle Roller Bearings
Combined Bearings
NKIB / NATB Series (Angular - Double Direction)
Quick Code: BB-19157
NKIB5904 INA Needle Roller/Angular Contact Bearing
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FAG Ball Bearings
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Product Specification
Brand
INA
Inside Dia (d)
20mm
Outside Dia (D)
37mm
Width (B)
25mm
Quick Order Code
BB-19157
Product Description
The NKIB5904 INA Needle Roller/Angular Contact Bearing is a precision-engineered combined bearing designed for demanding industrial applications requiring versatile load handling and compact design.
Key Technical Specifications
- Bore Diameter: 20mm
- Outside Diameter: 37mm
- Width: 25mm
- Operating Temperature Range: -20°C to +120°C
Advanced Design Features
- Double directional axial component with needle/ball race configuration
- Dual lubrication options: grease or oil
- Outer ring featuring integrated lubrication groove and hole
- Unique structural design with one narrow and one wide inner ring
- Plastic ball cage with precision-guided assembly
- Shoulders on inner ring joints for enhanced ball and cage stability
Ideal Applications
- Machine tool spindles
- Automotive transmission systems
- Industrial robotics
- Precision manufacturing equipment
- High-speed rotational mechanisms
Exceptional for applications requiring bidirectional axial force support and high precision, the NKIB5904 delivers reliable performance in compact mechanical systems.
