Manufactured by CHG Bearing, the 527/1181 is a precision Tapered Roller Thrust Bearings. Key dimensional parameters include a 1070 mm bore diameter, a 1280 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.
527/1181 - Tapered Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 527/1181 |
| Brand | CHG® |
| Construction | Thrust Ball Bearing |
| Type | Double-Direction Thrust Ball Bearing |
| Characteristics | |
| Load Direction | Axial — Double Direction |
| Limiting Speed — Grease (r/min) | 150 r/min |
| Limiting Speed — Oil (r/min) | 220 r/min |
| Dimensions | |
| Bore Diameter (d) | 1070 mm |
| Outer Diameter (D) | 1280 mm |
| Contact Angle α (°) | N/A ° |
| Chamfer Dimension r (min.) | 2.5 mm |
| Dimension A | 35 mm |
| Bearing Height T | 145 mm |
| Dimension d1 | 1181 mm |
| Dimension D12 | N/A mm |
| Dimension C | N/A mm |
| Dimension B | N/A mm |
| Chamfer Dimension r1 (min.) | 1.1 mm |
| Performance | |
| Basic Dynamic Axial Load Rating Ca (kN) | 1192 kN |
| Basic Static Axial Load Rating C0a (kN) | 7680 kN |
| Material | |
| Mass (kg) | 243 kg |
527/1181 1280 mm 1181 mm 1070 mm N/A mm Frequently Asked Questions about 527/1181 Tapered Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To match diverse operational dynamics, CHG Bearing supplies 527/1181 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
The Open Type engineered for 527/1181 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 527/1181 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.
Yes, 100% of 527/1181 Tapered Roller Thrust Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
