NB120XP0
5/16" Constant Section Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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NB120XP0 Bearing Product Overview & Core Advantages
The NB120XP0 is a precision four-point contact ball bearing engineered for applications requiring exceptional moment load capacity and compact design. Featuring a thin-section construction with a single row of balls, this bearing simultaneously handles combined radial and axial loads from any direction. Its Endura-Kote chromium plating provides superior corrosion resistance, while the ABEC-1 precision class ensures reliable performance in high-rigidity positioning systems and rotary tables.
NB120XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| NB120 | Bore diameter: 12 inches | Standard inch sizing for industrial applications |
| XP0 | Endura-Kote plating, open design | Enhanced corrosion resistance, suitable for custom lubrication |
NB120XP0 Bearing Structural Features & Performance Benefits
Four-Point Contact Design: Enables the bearing to handle combined moment loads up to 9 ft-lbf while maintaining minimal cross-section dimensions (0.3125" width). The optimized raceway geometry distributes stress evenly across four contact points, significantly increasing static load capacity to 12,500 lbf axial and 5,000 lbf radial.
Premium Material Construction: Manufactured from chrome steel rings and balls with brass cage for optimal strength and wear resistance. The Endura-Kote chromium plating provides exceptional protection against corrosion in harsh environments.
Precision Engineering: Maintains tight dimensional tolerances (bore/OD: -0.0014" to 0") and minimal radial internal clearance (0.0000-0.0005") for precise positioning applications. The thin-section design maximizes bearing performance in space-constrained installations.
NB120XP0 Bearing Typical Application Areas
- Rotary tables and indexing systems requiring high moment load capacity
- Robotics and automation equipment where compact bearing dimensions are critical
- Aerospace positioning mechanisms benefiting from corrosion-resistant plating
- Medical imaging equipment requiring precision motion control
- Semiconductor manufacturing tools demanding high rigidity and accuracy
