Manufactured by CHG Bearing, the MA231400/232026D is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 355.6 mm bore diameter, a 514.35 mm outer diameter, and a 146.05 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.

MA231400/232026D - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | MA231400/232026D |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 355.6 mm |
| Width (B) | 146.05 mm |
| Outer Diameter (D) | 514.35 mm |
| Bore Diameter Tolerance | -0.025 – 0 mm |
| Outside Diameter Tolerance | -0.04 – 0 mm |
| Inner Ring Chamfer | 4 mm |
| Outer Ring Chamfer | 5 mm |
| Inner Ring Assembly Width Tolerance | -0.25 – 0 mm |
| Outer Ring Assembly Width | 144 mm |
| Outer Ring Assembly Width Tolerance | -0.40 – 0 mm |
| Shaft Abutment Diameter | 177 mm |
| Housing Abutment Diameter | 302 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1060 kN |
| Basic Static Load Rating C0 (kN) | 1500 kN |
| Material | |
| Mass (kg) | 50 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 12 mm |
| Roller Material | Bearing Steel |
MA231400/232026D 514.35 mm 355.6 mm Frequently Asked Questions about MA231400/232026D Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for MA231400/232026D. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for MA231400/232026D, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To ensure optimum performance of CHG Bearing MA231400/232026D Double Row Tapered Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 355.6 mm bore. For the 514.35 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
To match diverse operational dynamics, CHG Bearing supplies MA231400/232026D 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.
