Manufactured by CHG Bearing, the 86734YA2 is a precision Double Row Angular Contact Ball Bearings. Key dimensional parameters include a 170 mm bore diameter, a 230 mm outer diameter, and a 56 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.
86734YA2 - Double Row Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 86734YA2 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Double Row Angular Contact Ball Bearing |
| Number of Rows | Double Row |
| Load Direction | Combined |
| Dimensions | |
| Bore Diameter (d) | 170 mm |
| Width (B) | 56 mm |
| Outer Diameter (D) | 230 mm |
| Minimum Chamfer Dimension rmin | 2.1 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 173 kN |
| Basic Static Load Rating C0 (kN) | 256 kN |
| Material | |
| Mass (kg) | 3.29 kg |
| Cage Material | Brass |
86734YA2 230 mm 170 mm 56 mm Frequently Asked Questions about 86734YA2 Double Row Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 86734YA2 Double Row Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 86734YA2, FAG 86734YA2, NSK 86734YA2. 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 86734YA2 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 86734YA2, 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.
To safeguard CHG Bearing 86734YA2 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (170 mm x 230 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
