NF055AR0
3/4" 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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NF055AR0 Bearing Product Overview & Core Advantages
The NF055AR0 is a single row angular contact ball bearing designed for precision applications requiring high load capacity and dimensional stability. Featuring inch dimensions with a 5.5" bore and 7" outside diameter, this bearing excels in handling combined radial and axial loads simultaneously due to its 30° contact angle. Manufactured to ABEC-1 precision standards with chromium plating for enhanced corrosion resistance, it delivers reliable performance in demanding industrial environments. The bearing comes pre-lubricated for immediate installation and optimal operation across a wide temperature range from -30°C to 110°C.
NF055AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NF055 | Bearing series designation with 5.5" bore diameter |
| A | Angular contact design with 30° contact angle |
| R0 | Radial internal clearance specification (0.0000 – 0.0005") |
NF055AR0 Bearing Structural Features & Performance Benefits
High Load Capacity: The single row design with 30° contact angle enables the bearing to handle significant combined loads, featuring a radial dynamic load rating of 4,319 lbf and axial static load capacity of 10,060 lbf.
Precision Engineering: Manufactured to ABEC-1 tolerance class with tight dimensional control (bore and OD tolerance: -0.0010"– 0"), ensuring consistent performance in precision applications.
Enhanced Durability: Constructed with chrome steel rings and balls combined with a brass cage for optimal strength and wear resistance. The chromium plating provides superior corrosion protection in harsh environments.
Optimized Lubrication: Pre-lubricated design ensures immediate operational readiness and reduces maintenance requirements across the specified temperature range.
NF055AR0 Bearing Typical Application Areas
- Industrial machinery requiring precise angular contact bearings
- Power transmission systems with combined loading conditions
- Material handling equipment where corrosion resistance is critical
- Agricultural machinery components requiring inch-dimension bearings
- Construction equipment with demanding load and environmental conditions
