Manufactured by CHG Bearing, the 51338 is a precision Thrust Ball Bearings. Key dimensional parameters include a 190 mm bore diameter, a 320 mm outer diameter, and a mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
51338 - Thrust Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 51338 |
| Brand | CHG® |
| Construction | Angular Contact Thrust Ball Bearing |
| Type | Double-Direction Angular Contact Thrust Ball Bearing |
| Characteristics | |
| Load Direction | Axial — Double Direction |
| Limiting Speed — Grease (r/min) | 1300 r/min |
| Limiting Speed — Oil (r/min) | 1800 r/min |
| Dimensions | |
| Bore Diameter (d) | 190 mm |
| Outer Diameter (D) | 320 mm |
| Contact Angle α (°) | N/A ° |
| Chamfer Dimension r (min.) | 2.1 mm |
| Dimension A | N/A mm |
| Bearing Height T | 120 mm |
| Dimension d1 | N/A mm |
| Dimension D12 | N/A mm |
| Dimension C | 60 mm |
| Dimension B | 30 mm |
| Chamfer Dimension r1 (min.) | 0.6 mm |
| Performance | |
| Basic Dynamic Axial Load Rating Ca (kN) | 285 kN |
| Basic Static Axial Load Rating C0a (kN) | 1060 kN |
| Material | |
| Mass (kg) | 24.4 kg |
51338 320 mm 190 mm 120 mm Frequently Asked Questions about 51338 Thrust Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Beyond standard alloy steel, CHG Bearing can customize the 51338 Thrust Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 51338 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
To extend the trouble-free lifespan of CHG Bearing 51338, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 51338. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
