Manufactured by CHG Bearing, the 81FC6130W/P5 is a precision Four-Row Cylindrical Roller Bearings. Key dimensional parameters include a 406.4 mm bore diameter, a 609.6 mm outer diameter, and a 304.8 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.
81FC6130W/P5 - Four-Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 81FC6130W/P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Cylindrical Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 406.4 mm |
| Width (B) | 304.8 mm |
| Outer Diameter (D) | 609.6 mm |
| Bore Diameter Tolerance | -0.027 – 0 mm |
| Outside Diameter Tolerance | -0.028 – 0 mm |
| Width Tolerance | -0.45 – 0 mm |
| Enveloping Circle Diameter Fw | 460 mm |
| Inner Ring Chamfer | 5 min mm |
| Outer Ring Chamfer | 5 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 4380 kN |
| Basic Static Load Rating C0 (kN) | 8750 kN |
| Material | |
| Mass (kg) | 307 kg |
| Ring Material | Bearing Steel / Case-Hardened Steel |
| Rolling Element Material | Bearing Steel / Case-Hardened Steel |
| Cage Material | Brass |
| Lubrication Groove Width | 16 mm |
| Lubrication Holes (qty × Ø mm) | 8 × Ø8 |
81FC6130W/P5 609.6 mm 406.4 mm 460 mm 304.8 mm Frequently Asked Questions about 81FC6130W/P5 Four-Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting 81FC6130W/P5 over a 406.4 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.
The CHG Bearing 81FC6130W/P5 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.
Every production batch of CHG Bearing 81FC6130W/P5 Four-Row Cylindrical Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
Quality starts with raw material selection: CHG Bearing crafts 81FC6130W/P5 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.
