Manufactured by CHG Bearing, the 81184 is a precision Cylindrical Roller Thrust Bearings. Key dimensional parameters include a 420 mm bore diameter, a 500 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.
81184 - Cylindrical Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 81184 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Cylindrical Roller Thrust Bearing |
| Design Type | Single Direction |
| Load Direction | Axial |
| Dimensions | |
| Bore Diameter (d) | 420 mm |
| Outer Diameter (D) | 500 mm |
| Minimum Chamfer Dimension rmin | 2 mm |
| Overall Height H | 65 mm |
| Inner-Ring Land Diameter (L1 / d1) | 424 mm |
| Outer-Ring Land Diameter (L2 / D1) | 495 mm |
| Performance | |
| Limiting Speed – Grease (r/min) | 240 r/min |
| Limiting Speed – Oil-air (r/min) | 340 r/min |
| Basic Static Axial Load Rating C0a (N) | 5265 N |
| Basic Dynamic Axial Load Rating Ca (N) | 882 N |
| Material | |
| Mass (kg) | 24 kg |
81184 500 mm 495 mm 420 mm 424 mm Frequently Asked Questions about 81184 Cylindrical Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 81184 Cylindrical Roller Thrust Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 81184, FAG 81184, NSK 81184. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 81184 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.
Model 81184 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 420 mm) and steep thermal gradients between inner and outer rings.
To extend the trouble-free lifespan of CHG Bearing 81184, 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.
