Manufactured by CHG Bearing, the 220KVS2903EG is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 220 mm bore diameter, a 295 mm outer diameter, and a 315 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.

220KVS2903EG - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 220KVS2903EG |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 220 mm |
| Width (B) | 315 mm |
| Outer Diameter (D) | 295 mm |
| Bore Diameter Tolerance | -0.03 – 0 mm |
| Outside Diameter Tolerance | -0.035 – 0 mm |
| Inner Ring Chamfer | 1 min mm |
| Outer Ring Chamfer | 4.8 min mm |
| Inner Ring Assembly Width Tolerance | -0.2 – +0.2 mm |
| Outer Ring Assembly Width | 315 mm |
| Outer Ring Assembly Width Tolerance | -0.2 – +0.2 mm |
| Shaft Abutment Diameter | 227 mm |
| Housing Abutment Diameter | 275 mm |
| Lubrication Hole Diameter | N/A mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1570 kN |
| Basic Static Load Rating C0 (kN) | 4000 kN |
| Material | |
| Mass (kg) | N/A kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | 08Al Steel |
| Lubrication Groove Width | N/A mm |
220KVS2903EG 295 mm 220 mm 315 mm Frequently Asked Questions about 220KVS2903EG Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies 220KVS2903EG with a precision bore diameter (d) of 220 mm, an outside diameter (D) of 295 mm, and a nominal ring width (B) of 315 mm. This configuration yields an effective cross-sectional wall thickness of 37.5 mm and an envelope ratio (D/d) of 1.34, delivering compact rigidity for OEM machinery housings.
In its sealed configuration (Open Type), CHG Bearing pre-charges 220KVS2903EG with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Standard batches of CHG Bearing 220KVS2903EG 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.
Sourcing 220KVS2903EG 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 Four-Row Tapered Roller Bearings.
