NSK 23138E4C3S11 Spherical Roller Bearing
The NSK 23138E4C3S11 is a high-performance spherical roller bearing designed for demanding industrial applications where reliability, precision, and long service life are essential.
Manufacturer: NSK
Type: Spherical Roller Bearing
Model: 23138E4C3S11
Technical Information
- Bore Diameter: 190 mm
- Outside Diameter: 320 mm
- Width: 104 mm
- Cage: Brass
- Clearance: C3 (Internal Clearance Larger Than Normal)
- Lubrication Features: E4 (Lubrication Groove and Holes in Bearing Outer Ring)
- Stability Specification: S11 (Inner and Outer Ring Heat Stabilized to 200°C)
This bearing provides exceptional load capacity and smooth rotation under heavy radial and axial loads. Its brass cage ensures strength and stability at high temperatures, while the E4 lubrication groove design enhances performance and extends bearing life. Perfect for use in heavy machinery, gearboxes, and industrial transmission systems.
Recommendation: For enhanced system performance and longevity, pair this bearing with high-quality industrial lubricants and precision shaft seals to ensure optimum protection against wear and contamination.












