Manufactured by CHG Bearing, the FCDP84120440 is a precision Four-Row Cylindrical Roller Bearings. Key dimensional parameters include a 420 mm bore diameter, a 600 mm outer diameter, and a 440 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.

FCDP84120440 - Four-Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | FCDP84120440 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Cylindrical Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 420 mm |
| Width (B) | 440 mm |
| Outer Diameter (D) | 600 mm |
| Bore Diameter Tolerance | -0.045 – 0 mm |
| Outside Diameter Tolerance | -0.050 – 0 mm |
| Width Tolerance | -0.50 – 0 mm |
| Enveloping Circle Diameter Fw | 470 mm |
| Inner Ring Chamfer | 5 min mm |
| Outer Ring Chamfer | 5 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 6780 kN |
| Basic Static Load Rating C0 (kN) | 19400 kN |
| Material | |
| Mass (kg) | 424.3 kg |
| Ring Material | Case-Hardened Steel |
| Rolling Element Material | Case-Hardened Steel |
| Cage Material | Grade 45 Steel |
| Lubrication Groove Width | 21 mm |
| Lubrication Holes (qty × Ø mm) | 8 × Ø12 |
FCDP84120440 600 mm 420 mm 470 mm 440 mm Frequently Asked Questions about FCDP84120440 Four-Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Quality starts with raw material selection: CHG Bearing crafts FCDP84120440 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing FCDP84120440 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies FCDP84120440 with a precision bore diameter (d) of 420 mm, an outside diameter (D) of 600 mm, and a nominal ring width (B) of 440 mm. This configuration yields an effective cross-sectional wall thickness of 90.0 mm and an envelope ratio (D/d) of 1.43, delivering compact rigidity for OEM machinery housings.
The Open Type engineered for FCDP84120440 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
