Manufactured by CHG Bearing, the 382044/HCYB2 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 220 mm bore diameter, a 340 mm outer diameter, and a 305 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.
382044/HCYB2 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 382044/HCYB2 |
| 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) | 305 mm |
| Outer Diameter (D) | 340 mm |
| Bore Diameter Tolerance | -0.030 – 0 mm |
| Outside Diameter Tolerance | -0.040 – 0 mm |
| Inner Ring Chamfer | 4 min mm |
| Outer Ring Chamfer | 3 min mm |
| Inner Ring Assembly Width Tolerance | -0.6 – +0.6 mm |
| Outer Ring Assembly Width | 305 mm |
| Outer Ring Assembly Width Tolerance | -0.6 – +0.6 mm |
| Shaft Abutment Diameter | 238 mm |
| Housing Abutment Diameter | 314 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 2340 kN |
| Basic Static Load Rating C0 (kN) | 5520 kN |
| Material | |
| Mass (kg) | 97 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 12 mm |
382044/HCYB2 340 mm 220 mm 305 mm Frequently Asked Questions about 382044/HCYB2 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 382044/HCYB2 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies 382044/HCYB2 with a precision bore diameter (d) of 220 mm, an outside diameter (D) of 340 mm, and a nominal ring width (B) of 305 mm. This configuration yields an effective cross-sectional wall thickness of 60.0 mm and an envelope ratio (D/d) of 1.55, delivering compact rigidity for OEM machinery housings.
When fitting 382044/HCYB2 over a 220 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Absolutely. The CHG Bearing 382044/HCYB2 Four-Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 382044/HCYB2, FAG 382044/HCYB2, NSK 382044/HCYB2. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
