Manufactured by CHG Bearing, the 591/850 is a precision Tapered Roller Thrust Bearings. Key dimensional parameters include a 850 mm bore diameter, a 1000 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.
591/850 - Tapered Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 591/850 |
| Brand | CHG® |
| Construction | Thrust Ball Bearing |
| Type | Single-Direction Thrust Ball Bearing |
| Characteristics | |
| Load Direction | Axial — Single Direction |
| Limiting Speed — Grease (r/min) | N/A r/min |
| Limiting Speed — Oil (r/min) | N/A r/min |
| Dimensions | |
| Bore Diameter (d) | 850 mm |
| Outer Diameter (D) | 1000 mm |
| Contact Angle α (°) | N/A ° |
| Chamfer Dimension r (min.) | 4 mm |
| Dimension A | N/A mm |
| Bearing Height T | 90 mm |
| Dimension d1 | 855 mm |
| Dimension D12 | 995 mm |
| Dimension C | N/A mm |
| Dimension B | N/A mm |
| Chamfer Dimension r1 (min.) | N/A mm |
| Performance | |
| Basic Dynamic Axial Load Rating Ca (kN) | 685 kN |
| Basic Static Axial Load Rating C0a (kN) | 6120 kN |
| Material | |
| Mass (kg) | 115 kg |
591/850 1000 mm 855 mm 850 mm 995 mm Frequently Asked Questions about 591/850 Tapered Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 591/850 Tapered Roller Thrust Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 591/850, FAG 591/850, NSK 591/850. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
When fitting 591/850 over a 850 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Standard batches of CHG Bearing 591/850 conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 591/850 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.
