Manufactured by CHG Bearing, the NP872981/NP240622/NP560475P5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 250.283 mm bore diameter, a 339.938 mm outer diameter, and a 230 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.
NP872981/NP240622/NP560475P5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NP872981/NP240622/NP560475P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 250.283 mm |
| Width (B) | 230 mm |
| Outer Diameter (D) | 339.938 mm |
| Bore Diameter Tolerance | 0 – +0.013 mm |
| Outside Diameter Tolerance | 0 – +0.025 mm |
| Inner Ring Chamfer | 3.5 min mm |
| Outer Ring Chamfer | 4 min mm |
| Inner Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Outer Ring Assembly Width | 230 mm |
| Outer Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Lubrication Hole Diameter | 8.73 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1690 kN |
| Basic Static Load Rating C0 (kN) | 4730 kN |
| Material | |
| Mass (kg) | 60.4 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel |
| Lubrication Groove Width | 20 mm |
NP872981/NP240622/NP560475P5 339.938 mm 250.283 mm 230 mm Frequently Asked Questions about NP872981/NP240622/NP560475P5 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of NP872981/NP240622/NP560475P5 Four-Row Tapered Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
To extend the trouble-free lifespan of CHG Bearing NP872981/NP240622/NP560475P5, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Engineered according to international ISO boundary plans, CHG Bearing supplies NP872981/NP240622/NP560475P5 with a precision bore diameter (d) of 250.283 mm, an outside diameter (D) of 339.938 mm, and a nominal ring width (B) of 230 mm. This configuration yields an effective cross-sectional wall thickness of 44.8 mm and an envelope ratio (D/d) of 1.36, delivering compact rigidity for OEM machinery housings.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for NP872981/NP240622/NP560475P5. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
