Manufactured by CHG Bearing, the 351056X2 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 280 mm bore diameter, a 420 mm outer diameter, and a 133 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.
351056X2 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 351056X2 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 350000 |
| Number of Rows | Double Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 280 mm |
| Width (B) | 133 mm |
| Outer Diameter (D) | 420 mm |
| Bore Diameter Tolerance | -0.025 – 0 mm |
| Outside Diameter Tolerance | -0.028 – 0 mm |
| Inner Ring Chamfer | 5 mm |
| Outer Ring Chamfer | 1.5 mm |
| Inner Ring Assembly Width Tolerance | -0.70 – 0 mm |
| Outer Ring Assembly Width | 104 mm |
| Outer Ring Assembly Width Tolerance | -0.80 – 0 mm |
| Shaft Abutment Diameter | 282 mm |
| Housing Abutment Diameter | 376 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1210 kN |
| Basic Static Load Rating C0 (kN) | 2480 kN |
| Material | |
| Mass (kg) | 54.8 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 12 mm |
| Roller Material | Bearing Steel |
351056X2 420 mm 280 mm Frequently Asked Questions about 351056X2 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To ensure optimum performance of CHG Bearing 351056X2 Double Row Tapered Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 280 mm bore. For the 420 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 351056X2. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Absolutely. The CHG Bearing 351056X2 Double Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 351056X2, FAG 351056X2, NSK 351056X2. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
To match diverse operational dynamics, CHG Bearing supplies 351056X2 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.
