Manufactured by CHG Bearing, the 352944X2 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 220 mm bore diameter, a 300 mm outer diameter, and a 110 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.
352944X2 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 352944X2 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 350000 |
| Number of Rows | Double Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 220 mm |
| Width (B) | 110 mm |
| Outer Diameter (D) | 300 mm |
| Bore Diameter Tolerance | -0.022 – 0 mm |
| Outside Diameter Tolerance | -0.028 – 0 mm |
| Inner Ring Chamfer | 4 mm |
| Outer Ring Chamfer | 1 mm |
| Inner Ring Assembly Width Tolerance | -0.60 – 0 mm |
| Outer Ring Assembly Width | 160 mm |
| Outer Ring Assembly Width Tolerance | -0.80 – 0 mm |
| Shaft Abutment Diameter | 248 mm |
| Housing Abutment Diameter | 353.2 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1940 kN |
| Basic Static Load Rating C0 (kN) | 4070 kN |
| Material | |
| Mass (kg) | 86.1 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 12 mm |
| Roller Material | Bearing Steel |
352944X2 300 mm 220 mm Frequently Asked Questions about 352944X2 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 352944X2, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Standard batches of CHG Bearing 352944X2 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies 352944X2 with a precision bore diameter (d) of 220 mm, an outside diameter (D) of 300 mm, and a nominal ring width (B) of 110 mm. This configuration yields an effective cross-sectional wall thickness of 40.0 mm and an envelope ratio (D/d) of 1.36, delivering compact rigidity for OEM machinery housings.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 352944X2 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.
