Manufactured by CHG Bearing, the 350660 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 300 mm bore diameter, a 440 mm outer diameter, and a 140 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.
350660 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 350660 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 350000 |
| Number of Rows | Double Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 300 mm |
| Width (B) | 140 mm |
| Outer Diameter (D) | 440 mm |
| Bore Diameter Tolerance | -0.025 – 0 mm |
| Outside Diameter Tolerance | -0.033 – 0 mm |
| Inner Ring Chamfer | 7.5 mm |
| Outer Ring Chamfer | 1.5 mm |
| Inner Ring Assembly Width Tolerance | -0.70 – 0 mm |
| Outer Ring Assembly Width | 130 mm |
| Outer Ring Assembly Width Tolerance | -0.80 – 0 mm |
| Shaft Abutment Diameter | 296 mm |
| Housing Abutment Diameter | 395 mm |
| Lubrication Hole Diameter | 7 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1820 kN |
| Basic Static Load Rating C0 (kN) | 3710 kN |
| Material | |
| Mass (kg) | 94.3 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 14 mm |
| Roller Material | Bearing Steel |
350660 440 mm 300 mm Frequently Asked Questions about 350660 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 350660 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Double Row Tapered Roller Bearings.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 350660 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 safeguard CHG Bearing 350660 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (300 mm x 440 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
The CHG Bearing 350660 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
